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for-f2fs-4.11

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This round introduces several interesting features such as on-disk NAT bitmaps,
 IO alignment, and a discard thread. And it includes a couple of major bug fixes
 as below.
 
 == Enhancement ==
 - introduce on-disk bitmaps to avoid scanning NAT blocks when getting free nids
 - support IO alignment to prepare open-channel SSD integration in future
 - introduce a discard thread to avoid long latency during checkpoint and fstrim
 - use SSR for warm node and enable inline_xattr by default
 - introduce in-memory bitmaps to check FS consistency for debugging
 - improve write_begin by avoiding needless read IO
 
 == Bug fix ==
 - fix broken zone_reset behavior for SMR drive
 - fix wrong victim selection policy during GC
 - fix missing behavior when preparing discard commands
 - fix bugs in atomic write support and fiemap
 - workaround to handle multiple f2fs_add_link calls having same name
 
 And it includes a bunch of clean-up patches as well.
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Merge tag 'for-f2fs-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "This round introduces several interesting features such as on-disk NAT
  bitmaps, IO alignment, and a discard thread. And it includes a couple
  of major bug fixes as below.

  Enhancements:

   - introduce on-disk bitmaps to avoid scanning NAT blocks when getting
     free nids

   - support IO alignment to prepare open-channel SSD integration in
     future

   - introduce a discard thread to avoid long latency during checkpoint
     and fstrim

   - use SSR for warm node and enable inline_xattr by default

   - introduce in-memory bitmaps to check FS consistency for debugging

   - improve write_begin by avoiding needless read IO

  Bug fixes:

   - fix broken zone_reset behavior for SMR drive

   - fix wrong victim selection policy during GC

   - fix missing behavior when preparing discard commands

   - fix bugs in atomic write support and fiemap

   - workaround to handle multiple f2fs_add_link calls having same name

  ... and it includes a bunch of clean-up patches as well"

* tag 'for-f2fs-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (97 commits)
  f2fs: avoid to flush nat journal entries
  f2fs: avoid to issue redundant discard commands
  f2fs: fix a plint compile warning
  f2fs: add f2fs_drop_inode tracepoint
  f2fs: Fix zoned block device support
  f2fs: remove redundant set_page_dirty()
  f2fs: fix to enlarge size of write_io_dummy mempool
  f2fs: fix memory leak of write_io_dummy mempool during umount
  f2fs: fix to update F2FS_{CP_}WB_DATA count correctly
  f2fs: use MAX_FREE_NIDS for the free nids target
  f2fs: introduce free nid bitmap
  f2fs: new helper cur_cp_crc() getting crc in f2fs_checkpoint
  f2fs: update the comment of default nr_pages to skipping
  f2fs: drop the duplicate pval in f2fs_getxattr
  f2fs: Don't update the xattr data that same as the exist
  f2fs: kill __is_extent_same
  f2fs: avoid bggc->fggc when enough free segments are avaliable after cp
  f2fs: select target segment with closer temperature in SSR mode
  f2fs: show simple call stack in fault injection message
  f2fs: no need lock_op in f2fs_write_inline_data
  ...
This commit is contained in:
Linus Torvalds 2017-03-01 15:55:04 -08:00
commit 25c4e6c3f0
21 changed files with 1969 additions and 813 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Documentation/filesystems/f2fs.txt
View File

@ -125,13 +125,14 @@ active_logs=%u Support configuring the number of active logs. In the
disable_ext_identify Disable the extension list configured by mkfs, so f2fs
does not aware of cold files such as media files.
inline_xattr Enable the inline xattrs feature.
noinline_xattr Disable the inline xattrs feature.
inline_data Enable the inline data feature: New created small(<~3.4k)
files can be written into inode block.
inline_dentry Enable the inline dir feature: data in new created
directory entries can be written into inode block. The
space of inode block which is used to store inline
dentries is limited to ~3.4k.
noinline_dentry Diable the inline dentry feature.
noinline_dentry Disable the inline dentry feature.
flush_merge Merge concurrent cache_flush commands as much as possible
to eliminate redundant command issues. If the underlying
device handles the cache_flush command relatively slowly,
@ -157,6 +158,8 @@ data_flush Enable data flushing before checkpoint in order to
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
io_bits=%u Set the bit size of write IO requests. It should be set
with "mode=lfs".
================================================================================
DEBUGFS ENTRIES
@ -174,7 +177,7 @@ f2fs. Each file shows the whole f2fs information.
SYSFS ENTRIES
================================================================================
Information about mounted f2f2 file systems can be found in
Information about mounted f2fs file systems can be found in
/sys/fs/f2fs. Each mounted filesystem will have a directory in
/sys/fs/f2fs based on its device name (i.e., /sys/fs/f2fs/sda).
The files in each per-device directory are shown in table below.

70
fs/f2fs/checkpoint.c
View File

@ -249,7 +249,8 @@ static int f2fs_write_meta_page(struct page *page,
dec_page_count(sbi, F2FS_DIRTY_META);
if (wbc->for_reclaim)
f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, META, WRITE);
f2fs_submit_merged_bio_cond(sbi, page->mapping->host,
0, page->index, META, WRITE);
unlock_page(page);
@ -493,6 +494,7 @@ int acquire_orphan_inode(struct f2fs_sb_info *sbi)
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_ORPHAN)) {
spin_unlock(&im->ino_lock);
f2fs_show_injection_info(FAULT_ORPHAN);
return -ENOSPC;
}
#endif
@ -681,8 +683,7 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
return -EINVAL;
}
crc = le32_to_cpu(*((__le32 *)((unsigned char *)*cp_block
+ crc_offset)));
crc = cur_cp_crc(*cp_block);
if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) {
f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value");
return -EINVAL;
@ -891,7 +892,7 @@ retry:
F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
return 0;
}
fi = list_entry(head->next, struct f2fs_inode_info, dirty_list);
fi = list_first_entry(head, struct f2fs_inode_info, dirty_list);
inode = igrab(&fi->vfs_inode);
spin_unlock(&sbi->inode_lock[type]);
if (inode) {
@ -924,7 +925,7 @@ int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 0;
}
fi = list_entry(head->next, struct f2fs_inode_info,
fi = list_first_entry(head, struct f2fs_inode_info,
gdirty_list);
inode = igrab(&fi->vfs_inode);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
@ -998,8 +999,6 @@ out:
static void unblock_operations(struct f2fs_sb_info *sbi)
{
up_write(&sbi->node_write);
build_free_nids(sbi, false);
f2fs_unlock_all(sbi);
}
@ -1025,6 +1024,10 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
spin_lock(&sbi->cp_lock);
if (cpc->reason == CP_UMOUNT && ckpt->cp_pack_total_block_count >
sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks)
disable_nat_bits(sbi, false);
if (cpc->reason == CP_UMOUNT)
__set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
else
@ -1137,6 +1140,28 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
start_blk = __start_cp_next_addr(sbi);
/* write nat bits */
if (enabled_nat_bits(sbi, cpc)) {
__u64 cp_ver = cur_cp_version(ckpt);
unsigned int i;
block_t blk;
cp_ver |= ((__u64)crc32 << 32);
*(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);
blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++)
update_meta_page(sbi, nm_i->nat_bits +
(i << F2FS_BLKSIZE_BITS), blk + i);
/* Flush all the NAT BITS pages */
while (get_pages(sbi, F2FS_DIRTY_META)) {
sync_meta_pages(sbi, META, LONG_MAX);
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
}
}
/* need to wait for end_io results */
wait_on_all_pages_writeback(sbi);
if (unlikely(f2fs_cp_error(sbi)))
@ -1248,15 +1273,20 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_flush_merged_bios(sbi);
/* this is the case of multiple fstrims without any changes */
if (cpc->reason == CP_DISCARD && !is_sbi_flag_set(sbi, SBI_IS_DIRTY)) {
f2fs_bug_on(sbi, NM_I(sbi)->dirty_nat_cnt);
f2fs_bug_on(sbi, SIT_I(sbi)->dirty_sentries);
f2fs_bug_on(sbi, prefree_segments(sbi));
flush_sit_entries(sbi, cpc);
clear_prefree_segments(sbi, cpc);
f2fs_wait_all_discard_bio(sbi);
unblock_operations(sbi);
goto out;
if (cpc->reason == CP_DISCARD) {
if (!exist_trim_candidates(sbi, cpc)) {
unblock_operations(sbi);
goto out;
}
if (NM_I(sbi)->dirty_nat_cnt == 0 &&
SIT_I(sbi)->dirty_sentries == 0 &&
prefree_segments(sbi) == 0) {
flush_sit_entries(sbi, cpc);
clear_prefree_segments(sbi, cpc);
unblock_operations(sbi);
goto out;
}
}
/*
@ -1268,17 +1298,15 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */
flush_nat_entries(sbi);
flush_nat_entries(sbi, cpc);
flush_sit_entries(sbi, cpc);
/* unlock all the fs_lock[] in do_checkpoint() */
err = do_checkpoint(sbi, cpc);
if (err) {
if (err)
release_discard_addrs(sbi);
} else {
else
clear_prefree_segments(sbi, cpc);
f2fs_wait_all_discard_bio(sbi);
}
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);

193
fs/f2fs/data.c
View File

@ -55,8 +55,10 @@ static void f2fs_read_end_io(struct bio *bio)
int i;
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO))
if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO)) {
f2fs_show_injection_info(FAULT_IO);
bio->bi_error = -EIO;
}
#endif
if (f2fs_bio_encrypted(bio)) {
@ -93,6 +95,17 @@ static void f2fs_write_end_io(struct bio *bio)
struct page *page = bvec->bv_page;
enum count_type type = WB_DATA_TYPE(page);
if (IS_DUMMY_WRITTEN_PAGE(page)) {
set_page_private(page, (unsigned long)NULL);
ClearPagePrivate(page);
unlock_page(page);
mempool_free(page, sbi->write_io_dummy);
if (unlikely(bio->bi_error))
f2fs_stop_checkpoint(sbi, true);
continue;
}
fscrypt_pullback_bio_page(&page, true);
if (unlikely(bio->bi_error)) {
@ -171,10 +184,46 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
struct bio *bio, enum page_type type)
{
if (!is_read_io(bio_op(bio))) {
unsigned int start;
if (f2fs_sb_mounted_blkzoned(sbi->sb) &&
current->plug && (type == DATA || type == NODE))
blk_finish_plug(current->plug);
if (type != DATA && type != NODE)
goto submit_io;
start = bio->bi_iter.bi_size >> F2FS_BLKSIZE_BITS;
start %= F2FS_IO_SIZE(sbi);
if (start == 0)
goto submit_io;
/* fill dummy pages */
for (; start < F2FS_IO_SIZE(sbi); start++) {
struct page *page =
mempool_alloc(sbi->write_io_dummy,
GFP_NOIO | __GFP_ZERO | __GFP_NOFAIL);
f2fs_bug_on(sbi, !page);
SetPagePrivate(page);
set_page_private(page, (unsigned long)DUMMY_WRITTEN_PAGE);
lock_page(page);
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE)
f2fs_bug_on(sbi, 1);
}
/*
* In the NODE case, we lose next block address chain. So, we
* need to do checkpoint in f2fs_sync_file.
*/
if (type == NODE)
set_sbi_flag(sbi, SBI_NEED_CP);
}
submit_io:
if (is_read_io(bio_op(bio)))
trace_f2fs_submit_read_bio(sbi->sb, type, bio);
else
trace_f2fs_submit_write_bio(sbi->sb, type, bio);
submit_bio(bio);
}
@ -185,19 +234,19 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
if (!io->bio)
return;
if (is_read_io(fio->op))
trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio);
else
trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio);
bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
if (is_read_io(fio->op))
trace_f2fs_prepare_read_bio(io->sbi->sb, fio->type, io->bio);
else
trace_f2fs_prepare_write_bio(io->sbi->sb, fio->type, io->bio);
__submit_bio(io->sbi, io->bio, fio->type);
io->bio = NULL;
}
static bool __has_merged_page(struct f2fs_bio_info *io, struct inode *inode,
struct page *page, nid_t ino)
static bool __has_merged_page(struct f2fs_bio_info *io,
struct inode *inode, nid_t ino, pgoff_t idx)
{
struct bio_vec *bvec;
struct page *target;
@ -206,7 +255,7 @@ static bool __has_merged_page(struct f2fs_bio_info *io, struct inode *inode,
if (!io->bio)
return false;
if (!inode && !page && !ino)
if (!inode && !ino)
return true;
bio_for_each_segment_all(bvec, io->bio, i) {
@ -216,10 +265,11 @@ static bool __has_merged_page(struct f2fs_bio_info *io, struct inode *inode,
else
target = fscrypt_control_page(bvec->bv_page);
if (idx != target->index)
continue;
if (inode && inode == target->mapping->host)
return true;
if (page && page == target)
return true;
if (ino && ino == ino_of_node(target))
return true;
}
@ -228,22 +278,21 @@ static bool __has_merged_page(struct f2fs_bio_info *io, struct inode *inode,
}
static bool has_merged_page(struct f2fs_sb_info *sbi, struct inode *inode,
struct page *page, nid_t ino,
enum page_type type)
nid_t ino, pgoff_t idx, enum page_type type)
{
enum page_type btype = PAGE_TYPE_OF_BIO(type);
struct f2fs_bio_info *io = &sbi->write_io[btype];
bool ret;
down_read(&io->io_rwsem);
ret = __has_merged_page(io, inode, page, ino);
ret = __has_merged_page(io, inode, ino, idx);
up_read(&io->io_rwsem);
return ret;
}
static void __f2fs_submit_merged_bio(struct f2fs_sb_info *sbi,
struct inode *inode, struct page *page,
nid_t ino, enum page_type type, int rw)
struct inode *inode, nid_t ino, pgoff_t idx,
enum page_type type, int rw)
{
enum page_type btype = PAGE_TYPE_OF_BIO(type);
struct f2fs_bio_info *io;
@ -252,16 +301,16 @@ static void __f2fs_submit_merged_bio(struct f2fs_sb_info *sbi,
down_write(&io->io_rwsem);
if (!__has_merged_page(io, inode, page, ino))
if (!__has_merged_page(io, inode, ino, idx))
goto out;
/* change META to META_FLUSH in the checkpoint procedure */
if (type >= META_FLUSH) {
io->fio.type = META_FLUSH;
io->fio.op = REQ_OP_WRITE;
io->fio.op_flags = REQ_PREFLUSH | REQ_META | REQ_PRIO;
io->fio.op_flags = REQ_META | REQ_PRIO;
if (!test_opt(sbi, NOBARRIER))
io->fio.op_flags |= REQ_FUA;
io->fio.op_flags |= REQ_PREFLUSH | REQ_FUA;
}
__submit_merged_bio(io);
out:
@ -271,15 +320,15 @@ out:
void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, enum page_type type,
int rw)
{
__f2fs_submit_merged_bio(sbi, NULL, NULL, 0, type, rw);
__f2fs_submit_merged_bio(sbi, NULL, 0, 0, type, rw);
}
void f2fs_submit_merged_bio_cond(struct f2fs_sb_info *sbi,
struct inode *inode, struct page *page,
nid_t ino, enum page_type type, int rw)
struct inode *inode, nid_t ino, pgoff_t idx,
enum page_type type, int rw)
{
if (has_merged_page(sbi, inode, page, ino, type))
__f2fs_submit_merged_bio(sbi, inode, page, ino, type, rw);
if (has_merged_page(sbi, inode, ino, idx, type))
__f2fs_submit_merged_bio(sbi, inode, ino, idx, type, rw);
}
void f2fs_flush_merged_bios(struct f2fs_sb_info *sbi)
@ -315,13 +364,14 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
return 0;
}
void f2fs_submit_page_mbio(struct f2fs_io_info *fio)
int f2fs_submit_page_mbio(struct f2fs_io_info *fio)
{
struct f2fs_sb_info *sbi = fio->sbi;
enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
struct f2fs_bio_info *io;
bool is_read = is_read_io(fio->op);
struct page *bio_page;
int err = 0;
io = is_read ? &sbi->read_io : &sbi->write_io[btype];
@ -331,6 +381,9 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio)
bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
/* set submitted = 1 as a return value */
fio->submitted = 1;
if (!is_read)
inc_page_count(sbi, WB_DATA_TYPE(bio_page));
@ -342,6 +395,13 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio)
__submit_merged_bio(io);
alloc_new:
if (io->bio == NULL) {
if ((fio->type == DATA || fio->type == NODE) &&
fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
err = -EAGAIN;
if (!is_read)
dec_page_count(sbi, WB_DATA_TYPE(bio_page));
goto out_fail;
}
io->bio = __bio_alloc(sbi, fio->new_blkaddr,
BIO_MAX_PAGES, is_read);
io->fio = *fio;
@ -355,9 +415,10 @@ alloc_new:
io->last_block_in_bio = fio->new_blkaddr;
f2fs_trace_ios(fio, 0);
out_fail:
up_write(&io->io_rwsem);
trace_f2fs_submit_page_mbio(fio->page, fio);
return err;
}
static void __set_data_blkaddr(struct dnode_of_data *dn)
@ -453,7 +514,7 @@ int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index)
int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
{
struct extent_info ei;
struct extent_info ei = {0,0,0};
struct inode *inode = dn->inode;
if (f2fs_lookup_extent_cache(inode, index, &ei)) {
@ -470,7 +531,7 @@ struct page *get_read_data_page(struct inode *inode, pgoff_t index,
struct address_space *mapping = inode->i_mapping;
struct dnode_of_data dn;
struct page *page;
struct extent_info ei;
struct extent_info ei = {0,0,0};
int err;
struct f2fs_io_info fio = {
.sbi = F2FS_I_SB(inode),
@ -694,6 +755,9 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
struct f2fs_map_blocks map;
int err = 0;
if (is_inode_flag_set(inode, FI_NO_PREALLOC))
return 0;
map.m_lblk = F2FS_BLK_ALIGN(iocb->ki_pos);
map.m_len = F2FS_BYTES_TO_BLK(iocb->ki_pos + iov_iter_count(from));
if (map.m_len > map.m_lblk)
@ -742,7 +806,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
int err = 0, ofs = 1;
unsigned int ofs_in_node, last_ofs_in_node;
blkcnt_t prealloc;
struct extent_info ei;
struct extent_info ei = {0,0,0};
block_t blkaddr;
if (!maxblocks)
@ -806,7 +870,7 @@ next_block:
}
if (err)
goto sync_out;
map->m_flags = F2FS_MAP_NEW;
map->m_flags |= F2FS_MAP_NEW;
blkaddr = dn.data_blkaddr;
} else {
if (flag == F2FS_GET_BLOCK_BMAP) {
@ -906,7 +970,7 @@ static int __get_data_block(struct inode *inode, sector_t iblock,
if (!err) {
map_bh(bh, inode->i_sb, map.m_pblk);
bh->b_state = (bh->b_state & ~F2FS_MAP_FLAGS) | map.m_flags;
bh->b_size = map.m_len << inode->i_blkbits;
bh->b_size = (u64)map.m_len << inode->i_blkbits;
}
return err;
}
@ -1088,7 +1152,7 @@ static int f2fs_mpage_readpages(struct address_space *mapping,
prefetchw(&page->flags);
if (pages) {
page = list_entry(pages->prev, struct page, lru);
page = list_last_entry(pages, struct page, lru);
list_del(&page->lru);
if (add_to_page_cache_lru(page, mapping,
page->index,
@ -1207,7 +1271,7 @@ static int f2fs_read_data_pages(struct file *file,
struct list_head *pages, unsigned nr_pages)
{
struct inode *inode = file->f_mapping->host;
struct page *page = list_entry(pages->prev, struct page, lru);
struct page *page = list_last_entry(pages, struct page, lru);
trace_f2fs_readpages(inode, page, nr_pages);
@ -1288,8 +1352,8 @@ out_writepage:
return err;
}
static int f2fs_write_data_page(struct page *page,
struct writeback_control *wbc)
static int __write_data_page(struct page *page, bool *submitted,
struct writeback_control *wbc)
{
struct inode *inode = page->mapping->host;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@ -1307,6 +1371,7 @@ static int f2fs_write_data_page(struct page *page,
.op_flags = wbc_to_write_flags(wbc),
.page = page,
.encrypted_page = NULL,
.submitted = false,
};
trace_f2fs_writepage(page, DATA);
@ -1352,9 +1417,12 @@ write:
goto redirty_out;
err = -EAGAIN;
f2fs_lock_op(sbi);
if (f2fs_has_inline_data(inode))
if (f2fs_has_inline_data(inode)) {
err = f2fs_write_inline_data(inode, page);
if (!err)
goto out;
}
f2fs_lock_op(sbi);
if (err == -EAGAIN)
err = do_write_data_page(&fio);
if (F2FS_I(inode)->last_disk_size < psize)
@ -1370,15 +1438,22 @@ out:
ClearPageUptodate(page);
if (wbc->for_reclaim) {
f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, DATA, WRITE);
f2fs_submit_merged_bio_cond(sbi, inode, 0, page->index,
DATA, WRITE);
remove_dirty_inode(inode);
submitted = NULL;
}
unlock_page(page);
f2fs_balance_fs(sbi, need_balance_fs);
if (unlikely(f2fs_cp_error(sbi)))
if (unlikely(f2fs_cp_error(sbi))) {
f2fs_submit_merged_bio(sbi, DATA, WRITE);
submitted = NULL;
}
if (submitted)
*submitted = fio.submitted;
return 0;
@ -1390,6 +1465,12 @@ redirty_out:
return err;
}
static int f2fs_write_data_page(struct page *page,
struct writeback_control *wbc)
{
return __write_data_page(page, NULL, wbc);
}
/*
* This function was copied from write_cche_pages from mm/page-writeback.c.
* The major change is making write step of cold data page separately from
@ -1406,10 +1487,10 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
pgoff_t index;
pgoff_t end; /* Inclusive */
pgoff_t done_index;
pgoff_t last_idx = ULONG_MAX;
int cycled;
int range_whole = 0;
int tag;
int nwritten = 0;
pagevec_init(&pvec, 0);
@ -1446,6 +1527,7 @@ retry:
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
bool submitted = false;
if (page->index > end) {
done = 1;
@ -1479,7 +1561,7 @@ continue_unlock:
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
ret = mapping->a_ops->writepage(page, wbc);
ret = __write_data_page(page, &submitted, wbc);
if (unlikely(ret)) {
/*
* keep nr_to_write, since vfs uses this to
@ -1493,8 +1575,8 @@ continue_unlock:
done_index = page->index + 1;
done = 1;
break;
} else {
nwritten++;
} else if (submitted) {
last_idx = page->index;
}
if (--wbc->nr_to_write <= 0 &&
@ -1516,9 +1598,9 @@ continue_unlock:
if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
mapping->writeback_index = done_index;
if (nwritten)
if (last_idx != ULONG_MAX)
f2fs_submit_merged_bio_cond(F2FS_M_SB(mapping), mapping->host,
NULL, 0, DATA, WRITE);
0, last_idx, DATA, WRITE);
return ret;
}
@ -1591,14 +1673,15 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
struct dnode_of_data dn;
struct page *ipage;
bool locked = false;
struct extent_info ei;
struct extent_info ei = {0,0,0};
int err = 0;
/*
* we already allocated all the blocks, so we don't need to get
* the block addresses when there is no need to fill the page.
*/
if (!f2fs_has_inline_data(inode) && len == PAGE_SIZE)
if (!f2fs_has_inline_data(inode) && len == PAGE_SIZE &&
!is_inode_flag_set(inode, FI_NO_PREALLOC))
return 0;
if (f2fs_has_inline_data(inode) ||
@ -1682,7 +1765,12 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
goto fail;
}
repeat:
page = grab_cache_page_write_begin(mapping, index, flags);
/*
* Do not use grab_cache_page_write_begin() to avoid deadlock due to
* wait_for_stable_page. Will wait that below with our IO control.
*/
page = pagecache_get_page(mapping, index,
FGP_LOCK | FGP_WRITE | FGP_CREAT, GFP_NOFS);
if (!page) {
err = -ENOMEM;
goto fail;
@ -1715,6 +1803,11 @@ repeat:
if (len == PAGE_SIZE || PageUptodate(page))
return 0;
if (!(pos & (PAGE_SIZE - 1)) && (pos + len) >= i_size_read(inode)) {
zero_user_segment(page, len, PAGE_SIZE);
return 0;
}
if (blkaddr == NEW_ADDR) {
zero_user_segment(page, 0, PAGE_SIZE);
SetPageUptodate(page);
@ -1768,7 +1861,7 @@ static int f2fs_write_end(struct file *file,
* let generic_perform_write() try to copy data again through copied=0.
*/
if (!PageUptodate(page)) {
if (unlikely(copied != PAGE_SIZE))
if (unlikely(copied != len))
copied = 0;
else
SetPageUptodate(page);
@ -1917,7 +2010,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
if (!PageUptodate(page))
SetPageUptodate(page);
if (f2fs_is_atomic_file(inode)) {
if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
register_inmem_page(inode, page);
return 1;

31
fs/f2fs/debug.c
View File

@ -50,8 +50,16 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
si->ndirty_all = sbi->ndirty_inode[DIRTY_META];
si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
si->aw_cnt = atomic_read(&sbi->aw_cnt);
si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt);
si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA);
si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA);
if (SM_I(sbi) && SM_I(sbi)->fcc_info)
si->nr_flush =
atomic_read(&SM_I(sbi)->fcc_info->submit_flush);
if (SM_I(sbi) && SM_I(sbi)->dcc_info)
si->nr_discard =
atomic_read(&SM_I(sbi)->dcc_info->submit_discard);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
@ -62,6 +70,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->inline_xattr = atomic_read(&sbi->inline_xattr);
si->inline_inode = atomic_read(&sbi->inline_inode);
si->inline_dir = atomic_read(&sbi->inline_dir);
si->append = sbi->im[APPEND_INO].ino_num;
si->update = sbi->im[UPDATE_INO].ino_num;
si->orphans = sbi->im[ORPHAN_INO].ino_num;
si->utilization = utilization(sbi);
@ -183,6 +193,9 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
/* build nm */
si->base_mem += sizeof(struct f2fs_nm_info);
si->base_mem += __bitmap_size(sbi, NAT_BITMAP);
si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS);
si->base_mem += NM_I(sbi)->nat_blocks * NAT_ENTRY_BITMAP_SIZE;
si->base_mem += NM_I(sbi)->nat_blocks / 8;
get_cache:
si->cache_mem = 0;
@ -192,8 +205,10 @@ get_cache:
si->cache_mem += sizeof(struct f2fs_gc_kthread);
/* build merge flush thread */
if (SM_I(sbi)->cmd_control_info)
if (SM_I(sbi)->fcc_info)
si->cache_mem += sizeof(struct flush_cmd_control);
if (SM_I(sbi)->dcc_info)
si->cache_mem += sizeof(struct discard_cmd_control);
/* free nids */
si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID_LIST] +
@ -254,8 +269,8 @@ static int stat_show(struct seq_file *s, void *v)
si->inline_inode);
seq_printf(s, " - Inline_dentry Inode: %u\n",
si->inline_dir);
seq_printf(s, " - Orphan Inode: %u\n",
si->orphans);
seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n",
si->orphans, si->append, si->update);
seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
si->main_area_segs, si->main_area_sections,
si->main_area_zones);
@ -314,8 +329,11 @@ static int stat_show(struct seq_file *s, void *v)
seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
si->ext_tree, si->zombie_tree, si->ext_node);
seq_puts(s, "\nBalancing F2FS Async:\n");
seq_printf(s, " - inmem: %4d, wb_cp_data: %4d, wb_data: %4d\n",
si->inmem_pages, si->nr_wb_cp_data, si->nr_wb_data);
seq_printf(s, " - IO (CP: %4d, Data: %4d, Flush: %4d, Discard: %4d)\n",
si->nr_wb_cp_data, si->nr_wb_data,
si->nr_flush, si->nr_discard);
seq_printf(s, " - inmem: %4d, atomic IO: %4d (Max. %4d)\n",
si->inmem_pages, si->aw_cnt, si->max_aw_cnt);
seq_printf(s, " - nodes: %4d in %4d\n",
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n",
@ -414,6 +432,9 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
atomic_set(&sbi->inline_dir, 0);
atomic_set(&sbi->inplace_count, 0);
atomic_set(&sbi->aw_cnt, 0);
atomic_set(&sbi->max_aw_cnt, 0);
mutex_lock(&f2fs_stat_mutex);
list_add_tail(&si->stat_list, &f2fs_stat_list);
mutex_unlock(&f2fs_stat_mutex);

38
fs/f2fs/dir.c
View File

@ -207,9 +207,13 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
f2fs_put_page(dentry_page, 0);
}
if (!de && room && F2FS_I(dir)->chash != namehash) {
F2FS_I(dir)->chash = namehash;
F2FS_I(dir)->clevel = level;
/* This is to increase the speed of f2fs_create */
if (!de && room) {
F2FS_I(dir)->task = current;
if (F2FS_I(dir)->chash != namehash) {
F2FS_I(dir)->chash = namehash;
F2FS_I(dir)->clevel = level;
}
}
return de;
@ -548,8 +552,10 @@ int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
start:
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH))
if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH)) {
f2fs_show_injection_info(FAULT_DIR_DEPTH);
return -ENOSPC;
}
#endif
if (unlikely(current_depth == MAX_DIR_HASH_DEPTH))
return -ENOSPC;
@ -646,14 +652,34 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name,
struct inode *inode, nid_t ino, umode_t mode)
{
struct fscrypt_name fname;
struct page *page = NULL;
struct f2fs_dir_entry *de = NULL;
int err;
err = fscrypt_setup_filename(dir, name, 0, &fname);
if (err)
return err;
err = __f2fs_do_add_link(dir, &fname, inode, ino, mode);
/*
* An immature stakable filesystem shows a race condition between lookup
* and create. If we have same task when doing lookup and create, it's
* definitely fine as expected by VFS normally. Otherwise, let's just
* verify on-disk dentry one more time, which guarantees filesystem
* consistency more.
*/
if (current != F2FS_I(dir)->task) {
de = __f2fs_find_entry(dir, &fname, &page);
F2FS_I(dir)->task = NULL;
}
if (de) {
f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
err = -EEXIST;
} else if (IS_ERR(page)) {
err = PTR_ERR(page);
} else {
err = __f2fs_do_add_link(dir, &fname, inode, ino, mode);
}
fscrypt_free_filename(&fname);
return err;
}

52
fs/f2fs/extent_cache.c
View File

@ -77,7 +77,7 @@ static struct extent_tree *__grab_extent_tree(struct inode *inode)
struct extent_tree *et;
nid_t ino = inode->i_ino;
down_write(&sbi->extent_tree_lock);
mutex_lock(&sbi->extent_tree_lock);
et = radix_tree_lookup(&sbi->extent_tree_root, ino);
if (!et) {
et = f2fs_kmem_cache_alloc(extent_tree_slab, GFP_NOFS);
@ -94,7 +94,7 @@ static struct extent_tree *__grab_extent_tree(struct inode *inode)
atomic_dec(&sbi->total_zombie_tree);
list_del_init(&et->list);
}
up_write(&sbi->extent_tree_lock);
mutex_unlock(&sbi->extent_tree_lock);
/* never died until evict_inode */
F2FS_I(inode)->extent_tree = et;
@ -311,28 +311,24 @@ static struct extent_node *__lookup_extent_tree_ret(struct extent_tree *et,
tmp_node = parent;
if (parent && fofs > en->ei.fofs)
tmp_node = rb_next(parent);
*next_ex = tmp_node ?
rb_entry(tmp_node, struct extent_node, rb_node) : NULL;
*next_ex = rb_entry_safe(tmp_node, struct extent_node, rb_node);
tmp_node = parent;
if (parent && fofs < en->ei.fofs)
tmp_node = rb_prev(parent);
*prev_ex = tmp_node ?
rb_entry(tmp_node, struct extent_node, rb_node) : NULL;
*prev_ex = rb_entry_safe(tmp_node, struct extent_node, rb_node);
return NULL;
lookup_neighbors:
if (fofs == en->ei.fofs) {
/* lookup prev node for merging backward later */
tmp_node = rb_prev(&en->rb_node);
*prev_ex = tmp_node ?
rb_entry(tmp_node, struct extent_node, rb_node) : NULL;
*prev_ex = rb_entry_safe(tmp_node, struct extent_node, rb_node);
}
if (fofs == en->ei.fofs + en->ei.len - 1) {
/* lookup next node for merging frontward later */
tmp_node = rb_next(&en->rb_node);
*next_ex = tmp_node ?
rb_entry(tmp_node, struct extent_node, rb_node) : NULL;
*next_ex = rb_entry_safe(tmp_node, struct extent_node, rb_node);
}
return en;
}
@ -352,11 +348,12 @@ static struct extent_node *__try_merge_extent_node(struct inode *inode,
}
if (next_ex && __is_front_mergeable(ei, &next_ex->ei)) {
if (en)
__release_extent_node(sbi, et, prev_ex);
next_ex->ei.fofs = ei->fofs;
next_ex->ei.blk = ei->blk;
next_ex->ei.len += ei->len;
if (en)
__release_extent_node(sbi, et, prev_ex);
en = next_ex;
}
@ -416,7 +413,7 @@ do_insert:
return en;
}
static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
static void f2fs_update_extent_tree_range(struct inode *inode,
pgoff_t fofs, block_t blkaddr, unsigned int len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@ -429,7 +426,7 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
unsigned int pos = (unsigned int)fofs;
if (!et)
return false;
return;
trace_f2fs_update_extent_tree_range(inode, fofs, blkaddr, len);
@ -437,7 +434,7 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
if (is_inode_flag_set(inode, FI_NO_EXTENT)) {
write_unlock(&et->lock);
return false;
return;
}
prev = et->largest;
@ -492,9 +489,8 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
if (!next_en) {
struct rb_node *node = rb_next(&en->rb_node);
next_en = node ?
rb_entry(node, struct extent_node, rb_node)
: NULL;
next_en = rb_entry_safe(node, struct extent_node,
rb_node);
}
if (parts)
@ -535,8 +531,6 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
__free_extent_tree(sbi, et);
write_unlock(&et->lock);
return !__is_extent_same(&prev, &et->largest);
}
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink)
@ -552,7 +546,7 @@ unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink)
if (!atomic_read(&sbi->total_zombie_tree))
goto free_node;
if (!down_write_trylock(&sbi->extent_tree_lock))
if (!mutex_trylock(&sbi->extent_tree_lock))
goto out;
/* 1. remove unreferenced extent tree */
@ -574,11 +568,11 @@ unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink)
goto unlock_out;
cond_resched();
}
up_write(&sbi->extent_tree_lock);
mutex_unlock(&sbi->extent_tree_lock);
free_node:
/* 2. remove LRU extent entries */
if (!down_write_trylock(&sbi->extent_tree_lock))
if (!mutex_trylock(&sbi->extent_tree_lock))
goto out;
remained = nr_shrink - (node_cnt + tree_cnt);
@ -608,7 +602,7 @@ free_node:
spin_unlock(&sbi->extent_lock);
unlock_out:
up_write(&sbi->extent_tree_lock);
mutex_unlock(&sbi->extent_tree_lock);
out:
trace_f2fs_shrink_extent_tree(sbi, node_cnt, tree_cnt);
@ -655,10 +649,10 @@ void f2fs_destroy_extent_tree(struct inode *inode)
if (inode->i_nlink && !is_bad_inode(inode) &&
atomic_read(&et->node_cnt)) {
down_write(&sbi->extent_tree_lock);
mutex_lock(&sbi->extent_tree_lock);
list_add_tail(&et->list, &sbi->zombie_list);
atomic_inc(&sbi->total_zombie_tree);
up_write(&sbi->extent_tree_lock);
mutex_unlock(&sbi->extent_tree_lock);
return;
}
@ -666,12 +660,12 @@ void f2fs_destroy_extent_tree(struct inode *inode)
node_cnt = f2fs_destroy_extent_node(inode);
/* delete extent tree entry in radix tree */
down_write(&sbi->extent_tree_lock);
mutex_lock(&sbi->extent_tree_lock);
f2fs_bug_on(sbi, atomic_read(&et->node_cnt));
radix_tree_delete(&sbi->extent_tree_root, inode->i_ino);
kmem_cache_free(extent_tree_slab, et);
atomic_dec(&sbi->total_ext_tree);
up_write(&sbi->extent_tree_lock);
mutex_unlock(&sbi->extent_tree_lock);
F2FS_I(inode)->extent_tree = NULL;
@ -718,7 +712,7 @@ void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
void init_extent_cache_info(struct f2fs_sb_info *sbi)
{
INIT_RADIX_TREE(&sbi->extent_tree_root, GFP_NOIO);
init_rwsem(&sbi->extent_tree_lock);
mutex_init(&sbi->extent_tree_lock);
INIT_LIST_HEAD(&sbi->extent_list);
spin_lock_init(&sbi->extent_lock);
atomic_set(&sbi->total_ext_tree, 0);

644
fs/f2fs/f2fs.h
View File

@ -112,9 +112,9 @@ struct f2fs_mount_info {
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
#define F2FS_SET_FEATURE(sb, mask) \
F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)
(F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask))
#define F2FS_CLEAR_FEATURE(sb, mask) \
F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)
(F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask))
/*
* For checkpoint manager
@ -132,11 +132,14 @@ enum {
CP_DISCARD,
};
#define DEF_BATCHED_TRIM_SECTIONS 2
#define DEF_BATCHED_TRIM_SECTIONS 2048
#define BATCHED_TRIM_SEGMENTS(sbi) \
(SM_I(sbi)->trim_sections * (sbi)->segs_per_sec)
#define BATCHED_TRIM_BLOCKS(sbi) \
(BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
#define MAX_DISCARD_BLOCKS(sbi) \
((1 << (sbi)->log_blocks_per_seg) * (sbi)->segs_per_sec)
#define DISCARD_ISSUE_RATE 8
#define DEF_CP_INTERVAL 60 /* 60 secs */
#define DEF_IDLE_INTERVAL 5 /* 5 secs */
@ -185,11 +188,30 @@ struct discard_entry {
int len; /* # of consecutive blocks of the discard */
};
struct bio_entry {
struct list_head list;
struct bio *bio;
struct completion event;
int error;
enum {
D_PREP,
D_SUBMIT,
D_DONE,
};
struct discard_cmd {
struct list_head list; /* command list */
struct completion wait; /* compleation */
block_t lstart; /* logical start address */
block_t len; /* length */
struct bio *bio; /* bio */
int state; /* state */
};
struct discard_cmd_control {
struct task_struct *f2fs_issue_discard; /* discard thread */
struct list_head discard_entry_list; /* 4KB discard entry list */
int nr_discards; /* # of discards in the list */
struct list_head discard_cmd_list; /* discard cmd list */
wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */
struct mutex cmd_lock;
int max_discards; /* max. discards to be issued */
atomic_t submit_discard; /* # of issued discard */
};
/* for the list of fsync inodes, used only during recovery */
@ -214,6 +236,7 @@ struct fsync_inode_entry {
static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
{
int before = nats_in_cursum(journal);
journal->n_nats = cpu_to_le16(before + i);
return before;
}
@ -221,6 +244,7 @@ static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
{
int before = sits_in_cursum(journal);
journal->n_sits = cpu_to_le16(before + i);
return before;
}
@ -306,12 +330,14 @@ static inline void make_dentry_ptr(struct inode *inode,
if (type == 1) {
struct f2fs_dentry_block *t = (struct f2fs_dentry_block *)src;
d->max = NR_DENTRY_IN_BLOCK;
d->bitmap = &t->dentry_bitmap;
d->dentry = t->dentry;
d->filename = t->filename;
} else {
struct f2fs_inline_dentry *t = (struct f2fs_inline_dentry *)src;
d->max = NR_INLINE_DENTRY;
d->bitmap = &t->dentry_bitmap;
d->dentry = t->dentry;
@ -438,8 +464,8 @@ struct f2fs_inode_info {
atomic_t dirty_pages; /* # of dirty pages */
f2fs_hash_t chash; /* hash value of given file name */
unsigned int clevel; /* maximum level of given file name */
struct task_struct *task; /* lookup and create consistency */
nid_t i_xattr_nid; /* node id that contains xattrs */
unsigned long long xattr_ver; /* cp version of xattr modification */
loff_t last_disk_size; /* lastly written file size */
struct list_head dirty_list; /* dirty list for dirs and files */
@ -474,13 +500,6 @@ static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
ei->len = len;
}
static inline bool __is_extent_same(struct extent_info *ei1,
struct extent_info *ei2)
{
return (ei1->fofs == ei2->fofs && ei1->blk == ei2->blk &&
ei1->len == ei2->len);
}
static inline bool __is_extent_mergeable(struct extent_info *back,
struct extent_info *front)
{
@ -500,7 +519,7 @@ static inline bool __is_front_mergeable(struct extent_info *cur,
return __is_extent_mergeable(cur, front);
}
extern void f2fs_mark_inode_dirty_sync(struct inode *, bool);
extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
static inline void __try_update_largest_extent(struct inode *inode,
struct extent_tree *et, struct extent_node *en)
{
@ -532,6 +551,7 @@ struct f2fs_nm_info {
struct list_head nat_entries; /* cached nat entry list (clean) */
unsigned int nat_cnt; /* the # of cached nat entries */
unsigned int dirty_nat_cnt; /* total num of nat entries in set */
unsigned int nat_blocks; /* # of nat blocks */
/* free node ids management */
struct radix_tree_root free_nid_root;/* root of the free_nid cache */
@ -539,9 +559,19 @@ struct f2fs_nm_info {
unsigned int nid_cnt[MAX_NID_LIST]; /* the number of free node id */
spinlock_t nid_list_lock; /* protect nid lists ops */
struct mutex build_lock; /* lock for build free nids */
unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE];
unsigned char *nat_block_bitmap;
/* for checkpoint */
char *nat_bitmap; /* NAT bitmap pointer */
unsigned int nat_bits_blocks; /* # of nat bits blocks */
unsigned char *nat_bits; /* NAT bits blocks */
unsigned char *full_nat_bits; /* full NAT pages */
unsigned char *empty_nat_bits; /* empty NAT pages */
#ifdef CONFIG_F2FS_CHECK_FS
char *nat_bitmap_mir; /* NAT bitmap mirror */
#endif
int bitmap_size; /* bitmap size */
};
@ -632,12 +662,6 @@ struct f2fs_sm_info {
/* a threshold to reclaim prefree segments */
unsigned int rec_prefree_segments;
/* for small discard management */
struct list_head discard_list; /* 4KB discard list */
struct list_head wait_list; /* linked with issued discard bio */
int nr_discards; /* # of discards in the list */
int max_discards; /* max. discards to be issued */
/* for batched trimming */
unsigned int trim_sections; /* # of sections to trim */
@ -648,8 +672,10 @@ struct f2fs_sm_info {
unsigned int min_fsync_blocks; /* threshold for fsync */
/* for flush command control */
struct flush_cmd_control *cmd_control_info;
struct flush_cmd_control *fcc_info;
/* for discard command control */
struct discard_cmd_control *dcc_info;
};
/*
@ -708,6 +734,7 @@ struct f2fs_io_info {
block_t old_blkaddr; /* old block address before Cow */
struct page *page; /* page to be written */
struct page *encrypted_page; /* encrypted page */
bool submitted; /* indicate IO submission */
};
#define is_read_io(rw) (rw == READ)
@ -787,6 +814,8 @@ struct f2fs_sb_info {
struct f2fs_bio_info read_io; /* for read bios */
struct f2fs_bio_info write_io[NR_PAGE_TYPE]; /* for write bios */
struct mutex wio_mutex[NODE + 1]; /* bio ordering for NODE/DATA */
int write_io_size_bits; /* Write IO size bits */
mempool_t *write_io_dummy; /* Dummy pages */
/* for checkpoint */
struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */
@ -811,7 +840,7 @@ struct f2fs_sb_info {
/* for extent tree cache */
struct radix_tree_root extent_tree_root;/* cache extent cache entries */
struct rw_semaphore extent_tree_lock; /* locking extent radix tree */
struct mutex extent_tree_lock; /* locking extent radix tree */
struct list_head extent_list; /* lru list for shrinker */
spinlock_t extent_lock; /* locking extent lru list */
atomic_t total_ext_tree; /* extent tree count */
@ -858,6 +887,9 @@ struct f2fs_sb_info {
struct f2fs_gc_kthread *gc_thread; /* GC thread */
unsigned int cur_victim_sec; /* current victim section num */
/* threshold for converting bg victims for fg */
u64 fggc_threshold;
/* maximum # of trials to find a victim segment for SSR and GC */
unsigned int max_victim_search;
@ -877,6 +909,8 @@ struct f2fs_sb_info {
atomic_t inline_xattr; /* # of inline_xattr inodes */
atomic_t inline_inode; /* # of inline_data inodes */
atomic_t inline_dir; /* # of inline_dentry inodes */
atomic_t aw_cnt; /* # of atomic writes */
atomic_t max_aw_cnt; /* max # of atomic writes */
int bg_gc; /* background gc calls */
unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */
#endif
@ -908,6 +942,10 @@ struct f2fs_sb_info {
};
#ifdef CONFIG_F2FS_FAULT_INJECTION
#define f2fs_show_injection_info(type) \
printk("%sF2FS-fs : inject %s in %s of %pF\n", \
KERN_INFO, fault_name[type], \
__func__, __builtin_return_address(0))
static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
{
struct f2fs_fault_info *ffi = &sbi->fault_info;
@ -921,10 +959,6 @@ static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
atomic_inc(&ffi->inject_ops);
if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
atomic_set(&ffi->inject_ops, 0);
printk("%sF2FS-fs : inject %s in %pF\n",
KERN_INFO,
fault_name[type],
__builtin_return_address(0));
return true;
}
return false;
@ -1089,6 +1123,12 @@ static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
return le64_to_cpu(cp->checkpoint_ver);
}
static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
{
size_t crc_offset = le32_to_cpu(cp->checksum_offset);
return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
}
static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
{
unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
@ -1133,6 +1173,27 @@ static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
spin_unlock(&sbi->cp_lock);
}
static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
{
set_sbi_flag(sbi, SBI_NEED_FSCK);
if (lock)
spin_lock(&sbi->cp_lock);
__clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
kfree(NM_I(sbi)->nat_bits);
NM_I(sbi)->nat_bits = NULL;
if (lock)
spin_unlock(&sbi->cp_lock);
}
static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
struct cp_control *cpc)
{
bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
return (cpc) ? (cpc->reason == CP_UMOUNT) && set : set;
}
static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
{
down_read(&sbi->cp_rwsem);
@ -1212,8 +1273,10 @@ static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
blkcnt_t diff;
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_BLOCK))
if (time_to_inject(sbi, FAULT_BLOCK)) {
f2fs_show_injection_info(FAULT_BLOCK);
return false;
}
#endif
/*
* let's increase this in prior to actual block count change in order
@ -1449,11 +1512,14 @@ static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
{
#ifdef CONFIG_F2FS_FAULT_INJECTION
struct page *page = find_lock_page(mapping, index);
if (page)
return page;
if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC))
if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
f2fs_show_injection_info(FAULT_PAGE_ALLOC);
return NULL;
}
#endif
if (!for_write)
return grab_cache_page(mapping, index);
@ -1532,6 +1598,7 @@ static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
static inline bool IS_INODE(struct page *page)
{
struct f2fs_node *p = F2FS_NODE(page);
return RAW_IS_INODE(p);
}
@ -1545,6 +1612,7 @@ static inline block_t datablock_addr(struct page *node_page,
{
struct f2fs_node *raw_node;
__le32 *addr_array;
raw_node = F2FS_NODE(node_page);
addr_array = blkaddr_in_node(raw_node);
return le32_to_cpu(addr_array[offset]);
@ -1628,6 +1696,7 @@ enum {
FI_UPDATE_WRITE, /* inode has in-place-update data */
FI_NEED_IPU, /* used for ipu per file */
FI_ATOMIC_FILE, /* indicate atomic file */
FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */
FI_VOLATILE_FILE, /* indicate volatile file */
FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */
FI_DROP_CACHE, /* drop dirty page cache */
@ -1635,6 +1704,7 @@ enum {
FI_INLINE_DOTS, /* indicate inline dot dentries */
FI_DO_DEFRAG, /* indicate defragment is running */
FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */
FI_NO_PREALLOC, /* indicate skipped preallocated blocks */
};
static inline void __mark_inode_dirty_flag(struct inode *inode,
@ -1779,6 +1849,7 @@ static inline unsigned int addrs_per_inode(struct inode *inode)
static inline void *inline_xattr_addr(struct page *page)
{
struct f2fs_inode *ri = F2FS_INODE(page);
return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
F2FS_INLINE_XATTR_ADDRS]);
}
@ -1817,6 +1888,11 @@ static inline bool f2fs_is_atomic_file(struct inode *inode)
return is_inode_flag_set(inode, FI_ATOMIC_FILE);
}
static inline bool f2fs_is_commit_atomic_write(struct inode *inode)
{
return is_inode_flag_set(inode, FI_ATOMIC_COMMIT);
}
static inline bool f2fs_is_volatile_file(struct inode *inode)
{
return is_inode_flag_set(inode, FI_VOLATILE_FILE);
@ -1835,6 +1911,7 @@ static inline bool f2fs_is_drop_cache(struct inode *inode)
static inline void *inline_data_addr(struct page *page)
{
struct f2fs_inode *ri = F2FS_INODE(page);
return (void *)&(ri->i_addr[1]);
}
@ -1918,8 +1995,10 @@ static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
size_t size, gfp_t flags)
{
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_KMALLOC))
if (time_to_inject(sbi, FAULT_KMALLOC)) {
f2fs_show_injection_info(FAULT_KMALLOC);
return NULL;
}
#endif
return kmalloc(size, flags);
}
@ -1957,29 +2036,30 @@ static inline void *f2fs_kvzalloc(size_t size, gfp_t flags)
/*
* file.c
*/
int f2fs_sync_file(struct file *, loff_t, loff_t, int);
void truncate_data_blocks(struct dnode_of_data *);
int truncate_blocks(struct inode *, u64, bool);
int f2fs_truncate(struct inode *);
int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
int f2fs_setattr(struct dentry *, struct iattr *);
int truncate_hole(struct inode *, pgoff_t, pgoff_t);
int truncate_data_blocks_range(struct dnode_of_data *, int);
long f2fs_ioctl(struct file *, unsigned int, unsigned long);
long f2fs_compat_ioctl(struct file *, unsigned int, unsigned long);
int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
void truncate_data_blocks(struct dnode_of_data *dn);
int truncate_blocks(struct inode *inode, u64 from, bool lock);
int f2fs_truncate(struct inode *inode);
int f2fs_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat);
int f2fs_setattr(struct dentry *dentry, struct iattr *attr);
int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
int truncate_data_blocks_range(struct dnode_of_data *dn, int count);
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
/*
* inode.c
*/
void f2fs_set_inode_flags(struct inode *);
struct inode *f2fs_iget(struct super_block *, unsigned long);
struct inode *f2fs_iget_retry(struct super_block *, unsigned long);
int try_to_free_nats(struct f2fs_sb_info *, int);
int update_inode(struct inode *, struct page *);
int update_inode_page(struct inode *);
int f2fs_write_inode(struct inode *, struct writeback_control *);
void f2fs_evict_inode(struct inode *);
void handle_failed_inode(struct inode *);
void f2fs_set_inode_flags(struct inode *inode);
struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
int update_inode(struct inode *inode, struct page *node_page);
int update_inode_page(struct inode *inode);
int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
void f2fs_evict_inode(struct inode *inode);
void handle_failed_inode(struct inode *inode);
/*
* namei.c
@ -1989,40 +2069,47 @@ struct dentry *f2fs_get_parent(struct dentry *child);
/*
* dir.c
*/
void set_de_type(struct f2fs_dir_entry *, umode_t);
unsigned char get_de_type(struct f2fs_dir_entry *);
struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *,
f2fs_hash_t, int *, struct f2fs_dentry_ptr *);
int f2fs_fill_dentries(struct dir_context *, struct f2fs_dentry_ptr *,
unsigned int, struct fscrypt_str *);
void do_make_empty_dir(struct inode *, struct inode *,
struct f2fs_dentry_ptr *);
struct page *init_inode_metadata(struct inode *, struct inode *,
const struct qstr *, const struct qstr *, struct page *);
void update_parent_metadata(struct inode *, struct inode *, unsigned int);
int room_for_filename(const void *, int, int);
void f2fs_drop_nlink(struct inode *, struct inode *);
struct f2fs_dir_entry *__f2fs_find_entry(struct inode *, struct fscrypt_name *,
struct page **);
struct f2fs_dir_entry *f2fs_find_entry(struct inode *, const struct qstr *,
struct page **);
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *, struct page **);
ino_t f2fs_inode_by_name(struct inode *, const struct qstr *, struct page **);
void f2fs_set_link(struct inode *, struct f2fs_dir_entry *,
struct page *, struct inode *);
int update_dent_inode(struct inode *, struct inode *, const struct qstr *);
void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *,
const struct qstr *, f2fs_hash_t , unsigned int);
int f2fs_add_regular_entry(struct inode *, const struct qstr *,
const struct qstr *, struct inode *, nid_t, umode_t);
int __f2fs_do_add_link(struct inode *, struct fscrypt_name*, struct inode *,
nid_t, umode_t);
int __f2fs_add_link(struct inode *, const struct qstr *, struct inode *, nid_t,
umode_t);
void f2fs_delete_entry(struct f2fs_dir_entry *, struct page *, struct inode *,
struct inode *);
int f2fs_do_tmpfile(struct inode *, struct inode *);
bool f2fs_empty_dir(struct inode *);
void set_de_type(struct f2fs_dir_entry *de, umode_t mode);
unsigned char get_de_type(struct f2fs_dir_entry *de);
struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname,
f2fs_hash_t namehash, int *max_slots,
struct f2fs_dentry_ptr *d);
int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
unsigned int start_pos, struct fscrypt_str *fstr);
void do_make_empty_dir(struct inode *inode, struct inode *parent,
struct f2fs_dentry_ptr *d);
struct page *init_inode_metadata(struct inode *inode, struct inode *dir,
const struct qstr *new_name,
const struct qstr *orig_name, struct page *dpage);
void update_parent_metadata(struct inode *dir, struct inode *inode,
unsigned int current_depth);
int room_for_filename(const void *bitmap, int slots, int max_slots);
void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
struct fscrypt_name *fname, struct page **res_page);
struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
const struct qstr *child, struct page **res_page);
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
struct page **page);
void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
struct page *page, struct inode *inode);
int update_dent_inode(struct inode *inode, struct inode *to,
const struct qstr *name);
void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
const struct qstr *name, f2fs_hash_t name_hash,
unsigned int bit_pos);
int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
const struct qstr *orig_name,
struct inode *inode, nid_t ino, umode_t mode);
int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname,
struct inode *inode, nid_t ino, umode_t mode);
int __f2fs_add_link(struct inode *dir, const struct qstr *name,
struct inode *inode, nid_t ino, umode_t mode);
void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
struct inode *dir, struct inode *inode);
int f2fs_do_tmpfile(struct inode *inode, struct inode *dir);
bool f2fs_empty_dir(struct inode *dir);
static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
{
@ -2033,18 +2120,18 @@ static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
/*
* super.c
*/
int f2fs_inode_dirtied(struct inode *, bool);
void f2fs_inode_synced(struct inode *);
int f2fs_commit_super(struct f2fs_sb_info *, bool);
int f2fs_sync_fs(struct super_block *, int);
int f2fs_inode_dirtied(struct inode *inode, bool sync);
void f2fs_inode_synced(struct inode *inode);
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
int f2fs_sync_fs(struct super_block *sb, int sync);
extern __printf(3, 4)
void f2fs_msg(struct super_block *, const char *, const char *, ...);
void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...);
int sanity_check_ckpt(struct f2fs_sb_info *sbi);
/*
* hash.c
*/
f2fs_hash_t f2fs_dentry_hash(const struct qstr *);
f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info);
/*
* node.c
@ -2052,163 +2139,183 @@ f2fs_hash_t f2fs_dentry_hash(const struct qstr *);
struct dnode_of_data;
struct node_info;
bool available_free_memory(struct f2fs_sb_info *, int);
int need_dentry_mark(struct f2fs_sb_info *, nid_t);
bool is_checkpointed_node(struct f2fs_sb_info *, nid_t);
bool need_inode_block_update(struct f2fs_sb_info *, nid_t);
void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *);
pgoff_t get_next_page_offset(struct dnode_of_data *, pgoff_t);
int get_dnode_of_data(struct dnode_of_data *, pgoff_t, int);
int truncate_inode_blocks(struct inode *, pgoff_t);
int truncate_xattr_node(struct inode *, struct page *);
int wait_on_node_pages_writeback(struct f2fs_sb_info *, nid_t);
int remove_inode_page(struct inode *);
struct page *new_inode_page(struct inode *);
struct page *new_node_page(struct dnode_of_data *, unsigned int, struct page *);
void ra_node_page(struct f2fs_sb_info *, nid_t);
struct page *get_node_page(struct f2fs_sb_info *, pgoff_t);
struct page *get_node_page_ra(struct page *, int);
void move_node_page(struct page *, int);
int fsync_node_pages(struct f2fs_sb_info *, struct inode *,
struct writeback_control *, bool);
int sync_node_pages(struct f2fs_sb_info *, struct writeback_control *);
void build_free_nids(struct f2fs_sb_info *, bool);
bool alloc_nid(struct f2fs_sb_info *, nid_t *);
void alloc_nid_done(struct f2fs_sb_info *, nid_t);
void alloc_nid_failed(struct f2fs_sb_info *, nid_t);
int try_to_free_nids(struct f2fs_sb_info *, int);
void recover_inline_xattr(struct inode *, struct page *);
void recover_xattr_data(struct inode *, struct page *, block_t);
int recover_inode_page(struct f2fs_sb_info *, struct page *);
int restore_node_summary(struct f2fs_sb_info *, unsigned int,
struct f2fs_summary_block *);
void flush_nat_entries(struct f2fs_sb_info *);
int build_node_manager(struct f2fs_sb_info *);
void destroy_node_manager(struct f2fs_sb_info *);
bool available_free_memory(struct f2fs_sb_info *sbi, int type);
int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni);
pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
int truncate_inode_blocks(struct inode *inode, pgoff_t from);
int truncate_xattr_node(struct inode *inode, struct page *page);
int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino);
int remove_inode_page(struct inode *inode);
struct page *new_inode_page(struct inode *inode);
struct page *new_node_page(struct dnode_of_data *dn,
unsigned int ofs, struct page *ipage);
void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
struct page *get_node_page_ra(struct page *parent, int start);
void move_node_page(struct page *node_page, int gc_type);
int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
struct writeback_control *wbc, bool atomic);
int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc);
void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
void recover_inline_xattr(struct inode *inode, struct page *page);
int recover_xattr_data(struct inode *inode, struct page *page,
block_t blkaddr);
int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
int restore_node_summary(struct f2fs_sb_info *sbi,
unsigned int segno, struct f2fs_summary_block *sum);
void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
int build_node_manager(struct f2fs_sb_info *sbi);
void destroy_node_manager(struct f2fs_sb_info *sbi);
int __init create_node_manager_caches(void);
void destroy_node_manager_caches(void);
/*
* segment.c
*/
void register_inmem_page(struct inode *, struct page *);
void drop_inmem_pages(struct inode *);
int commit_inmem_pages(struct inode *);
void f2fs_balance_fs(struct f2fs_sb_info *, bool);
void f2fs_balance_fs_bg(struct f2fs_sb_info *);
int f2fs_issue_flush(struct f2fs_sb_info *);
int create_flush_cmd_control(struct f2fs_sb_info *);
void destroy_flush_cmd_control(struct f2fs_sb_info *, bool);
void invalidate_blocks(struct f2fs_sb_info *, block_t);
bool is_checkpointed_data(struct f2fs_sb_info *, block_t);
void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t);
void f2fs_wait_all_discard_bio(struct f2fs_sb_info *);
void clear_prefree_segments(struct f2fs_sb_info *, struct cp_control *);
void release_discard_addrs(struct f2fs_sb_info *);
int npages_for_summary_flush(struct f2fs_sb_info *, bool);
void allocate_new_segments(struct f2fs_sb_info *);
int f2fs_trim_fs(struct f2fs_sb_info *, struct fstrim_range *);
struct page *get_sum_page(struct f2fs_sb_info *, unsigned int);
void update_meta_page(struct f2fs_sb_info *, void *, block_t);
void write_meta_page(struct f2fs_sb_info *, struct page *);
void write_node_page(unsigned int, struct f2fs_io_info *);
void write_data_page(struct dnode_of_data *, struct f2fs_io_info *);
void rewrite_data_page(struct f2fs_io_info *);
void __f2fs_replace_block(struct f2fs_sb_info *, struct f2fs_summary *,
block_t, block_t, bool, bool);
void f2fs_replace_block(struct f2fs_sb_info *, struct dnode_of_data *,
block_t, block_t, unsigned char, bool, bool);
void allocate_data_block(struct f2fs_sb_info *, struct page *,
block_t, block_t *, struct f2fs_summary *, int);
void f2fs_wait_on_page_writeback(struct page *, enum page_type, bool);
void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info *, block_t);
void write_data_summaries(struct f2fs_sb_info *, block_t);
void write_node_summaries(struct f2fs_sb_info *, block_t);
int lookup_journal_in_cursum(struct f2fs_journal *, int, unsigned int, int);
void flush_sit_entries(struct f2fs_sb_info *, struct cp_control *);
int build_segment_manager(struct f2fs_sb_info *);
void destroy_segment_manager(struct f2fs_sb_info *);
void register_inmem_page(struct inode *inode, struct page *page);
void drop_inmem_pages(struct inode *inode);
int commit_inmem_pages(struct inode *inode);
void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi);
int f2fs_issue_flush(struct f2fs_sb_info *sbi);
int create_flush_cmd_control(struct f2fs_sb_info *sbi);
void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
void refresh_sit_entry(struct f2fs_sb_info *sbi, block_t old, block_t new);
void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr);
void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc);
void release_discard_addrs(struct f2fs_sb_info *sbi);
int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
void allocate_new_segments(struct f2fs_sb_info *sbi);
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc);
struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr);
void write_meta_page(struct f2fs_sb_info *sbi, struct page *page);
void write_node_page(unsigned int nid, struct f2fs_io_info *fio);
void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio);
void rewrite_data_page(struct f2fs_io_info *fio);
void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
block_t old_blkaddr, block_t new_blkaddr,
bool recover_curseg, bool recover_newaddr);
void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
block_t old_addr, block_t new_addr,
unsigned char version, bool recover_curseg,
bool recover_newaddr);
void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
block_t old_blkaddr, block_t *new_blkaddr,
struct f2fs_summary *sum, int type);
void f2fs_wait_on_page_writeback(struct page *page,
enum page_type type, bool ordered);
void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info *sbi,
block_t blkaddr);
void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
int lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
unsigned int val, int alloc);
void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
int build_segment_manager(struct f2fs_sb_info *sbi);
void destroy_segment_manager(struct f2fs_sb_info *sbi);
int __init create_segment_manager_caches(void);
void destroy_segment_manager_caches(void);
/*
* checkpoint.c
*/
void f2fs_stop_checkpoint(struct f2fs_sb_info *, bool);
struct page *grab_meta_page(struct f2fs_sb_info *, pgoff_t);
struct page *get_meta_page(struct f2fs_sb_info *, pgoff_t);
struct page *get_tmp_page(struct f2fs_sb_info *, pgoff_t);
bool is_valid_blkaddr(struct f2fs_sb_info *, block_t, int);
int ra_meta_pages(struct f2fs_sb_info *, block_t, int, int, bool);
void ra_meta_pages_cond(struct f2fs_sb_info *, pgoff_t);
long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long);
void add_ino_entry(struct f2fs_sb_info *, nid_t, int type);
void remove_ino_entry(struct f2fs_sb_info *, nid_t, int type);
void release_ino_entry(struct f2fs_sb_info *, bool);
bool exist_written_data(struct f2fs_sb_info *, nid_t, int);
int f2fs_sync_inode_meta(struct f2fs_sb_info *);
int acquire_orphan_inode(struct f2fs_sb_info *);
void release_orphan_inode(struct f2fs_sb_info *);
void add_orphan_inode(struct inode *);
void remove_orphan_inode(struct f2fs_sb_info *, nid_t);
int recover_orphan_inodes(struct f2fs_sb_info *);
int get_valid_checkpoint(struct f2fs_sb_info *);
void update_dirty_page(struct inode *, struct page *);
void remove_dirty_inode(struct inode *);
int sync_dirty_inodes(struct f2fs_sb_info *, enum inode_type);
int write_checkpoint(struct f2fs_sb_info *, struct cp_control *);
void init_ino_entry_info(struct f2fs_sb_info *);
void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type);
int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
int type, bool sync);
void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
long nr_to_write);
void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
void release_ino_entry(struct f2fs_sb_info *sbi, bool all);
bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
int acquire_orphan_inode(struct f2fs_sb_info *sbi);
void release_orphan_inode(struct f2fs_sb_info *sbi);
void add_orphan_inode(struct inode *inode);
void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
int recover_orphan_inodes(struct f2fs_sb_info *sbi);
int get_valid_checkpoint(struct f2fs_sb_info *sbi);
void update_dirty_page(struct inode *inode, struct page *page);
void remove_dirty_inode(struct inode *inode);
int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
void init_ino_entry_info(struct f2fs_sb_info *sbi);
int __init create_checkpoint_caches(void);
void destroy_checkpoint_caches(void);
/*
* data.c
*/
void f2fs_submit_merged_bio(struct f2fs_sb_info *, enum page_type, int);
void f2fs_submit_merged_bio_cond(struct f2fs_sb_info *, struct inode *,
struct page *, nid_t, enum page_type, int);
void f2fs_flush_merged_bios(struct f2fs_sb_info *);
int f2fs_submit_page_bio(struct f2fs_io_info *);
void f2fs_submit_page_mbio(struct f2fs_io_info *);
struct block_device *f2fs_target_device(struct f2fs_sb_info *,
block_t, struct bio *);
int f2fs_target_device_index(struct f2fs_sb_info *, block_t);
void set_data_blkaddr(struct dnode_of_data *);
void f2fs_update_data_blkaddr(struct dnode_of_data *, block_t);
int reserve_new_blocks(struct dnode_of_data *, blkcnt_t);
int reserve_new_block(struct dnode_of_data *);
int f2fs_get_block(struct dnode_of_data *, pgoff_t);
int f2fs_preallocate_blocks(struct kiocb *, struct iov_iter *);
int f2fs_reserve_block(struct dnode_of_data *, pgoff_t);
struct page *get_read_data_page(struct inode *, pgoff_t, int, bool);
struct page *find_data_page(struct inode *, pgoff_t);
struct page *get_lock_data_page(struct inode *, pgoff_t, bool);
struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool);
int do_write_data_page(struct f2fs_io_info *);
int f2fs_map_blocks(struct inode *, struct f2fs_map_blocks *, int, int);
int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *, u64, u64);
void f2fs_set_page_dirty_nobuffers(struct page *);
void f2fs_invalidate_page(struct page *, unsigned int, unsigned int);
int f2fs_release_page(struct page *, gfp_t);
void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, enum page_type type,
int rw);
void f2fs_submit_merged_bio_cond(struct f2fs_sb_info *sbi,
struct inode *inode, nid_t ino, pgoff_t idx,
enum page_type type, int rw);
void f2fs_flush_merged_bios(struct f2fs_sb_info *sbi);
int f2fs_submit_page_bio(struct f2fs_io_info *fio);
int f2fs_submit_page_mbio(struct f2fs_io_info *fio);
struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
block_t blk_addr, struct bio *bio);
int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
void set_data_blkaddr(struct dnode_of_data *dn);
void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
int reserve_new_block(struct dnode_of_data *dn);
int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
struct page *get_read_data_page(struct inode *inode, pgoff_t index,
int op_flags, bool for_write);
struct page *find_data_page(struct inode *inode, pgoff_t index);
struct page *get_lock_data_page(struct inode *inode, pgoff_t index,
bool for_write);
struct page *get_new_data_page(struct inode *inode,
struct page *ipage, pgoff_t index, bool new_i_size);
int do_write_data_page(struct f2fs_io_info *fio);
int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
int create, int flag);
int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
void f2fs_set_page_dirty_nobuffers(struct page *page);
void f2fs_invalidate_page(struct page *page, unsigned int offset,
unsigned int length);
int f2fs_release_page(struct page *page, gfp_t wait);
#ifdef CONFIG_MIGRATION
int f2fs_migrate_page(struct address_space *, struct page *, struct page *,
enum migrate_mode);
int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
struct page *page, enum migrate_mode mode);
#endif
/*
* gc.c
*/
int start_gc_thread(struct f2fs_sb_info *);
void stop_gc_thread(struct f2fs_sb_info *);
block_t start_bidx_of_node(unsigned int, struct inode *);
int f2fs_gc(struct f2fs_sb_info *, bool, bool);
void build_gc_manager(struct f2fs_sb_info *);
int start_gc_thread(struct f2fs_sb_info *sbi);
void stop_gc_thread(struct f2fs_sb_info *sbi);
block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background);
void build_gc_manager(struct f2fs_sb_info *sbi);
/*
* recovery.c
*/
int recover_fsync_data(struct f2fs_sb_info *, bool);
bool space_for_roll_forward(struct f2fs_sb_info *);
int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
bool space_for_roll_forward(struct f2fs_sb_info *sbi);
/*
* debug.c
@ -2227,8 +2334,9 @@ struct f2fs_stat_info {
unsigned int ndirty_dirs, ndirty_files, ndirty_all;
int nats, dirty_nats, sits, dirty_sits, free_nids, alloc_nids;
int total_count, utilization;
int bg_gc, nr_wb_cp_data, nr_wb_data;
int inline_xattr, inline_inode, inline_dir, orphans;
int bg_gc, nr_wb_cp_data, nr_wb_data, nr_flush, nr_discard;
int inline_xattr, inline_inode, inline_dir, append, update, orphans;
int aw_cnt, max_aw_cnt;
unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
unsigned int bimodal, avg_vblocks;
int util_free, util_valid, util_invalid;
@ -2300,6 +2408,17 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
((sbi)->block_count[(curseg)->alloc_type]++)
#define stat_inc_inplace_blocks(sbi) \
(atomic_inc(&(sbi)->inplace_count))
#define stat_inc_atomic_write(inode) \
(atomic_inc(&F2FS_I_SB(inode)->aw_cnt))
#define stat_dec_atomic_write(inode) \
(atomic_dec(&F2FS_I_SB(inode)->aw_cnt))
#define stat_update_max_atomic_write(inode) \
do { \
int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \
int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
if (cur > max) \
atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
} while (0)
#define stat_inc_seg_count(sbi, type, gc_type) \
do { \
struct f2fs_stat_info *si = F2FS_STAT(sbi); \
@ -2332,8 +2451,8 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
si->bg_node_blks += (gc_type == BG_GC) ? (blks) : 0; \
} while (0)
int f2fs_build_stats(struct f2fs_sb_info *);
void f2fs_destroy_stats(struct f2fs_sb_info *);
int f2fs_build_stats(struct f2fs_sb_info *sbi);
void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
int __init f2fs_create_root_stats(void);
void f2fs_destroy_root_stats(void);
#else
@ -2353,6 +2472,9 @@ void f2fs_destroy_root_stats(void);
#define stat_dec_inline_inode(inode)
#define stat_inc_inline_dir(inode)
#define stat_dec_inline_dir(inode)
#define stat_inc_atomic_write(inode)
#define stat_dec_atomic_write(inode)
#define stat_update_max_atomic_write(inode)
#define stat_inc_seg_type(sbi, curseg)
#define stat_inc_block_count(sbi, curseg)
#define stat_inc_inplace_blocks(sbi)
@ -2382,49 +2504,55 @@ extern struct kmem_cache *inode_entry_slab;
/*
* inline.c
*/
bool f2fs_may_inline_data(struct inode *);
bool f2fs_may_inline_dentry(struct inode *);
void read_inline_data(struct page *, struct page *);
bool truncate_inline_inode(struct page *, u64);
int f2fs_read_inline_data(struct inode *, struct page *);
int f2fs_convert_inline_page(struct dnode_of_data *, struct page *);
int f2fs_convert_inline_inode(struct inode *);
int f2fs_write_inline_data(struct inode *, struct page *);
bool recover_inline_data(struct inode *, struct page *);
struct f2fs_dir_entry *find_in_inline_dir(struct inode *,
struct fscrypt_name *, struct page **);
int make_empty_inline_dir(struct inode *inode, struct inode *, struct page *);
int f2fs_add_inline_entry(struct inode *, const struct qstr *,
const struct qstr *, struct inode *, nid_t, umode_t);
void f2fs_delete_inline_entry(struct f2fs_dir_entry *, struct page *,
struct inode *, struct inode *);
bool f2fs_empty_inline_dir(struct inode *);
int f2fs_read_inline_dir(struct file *, struct dir_context *,
struct fscrypt_str *);
int f2fs_inline_data_fiemap(struct inode *,
struct fiemap_extent_info *, __u64, __u64);
bool f2fs_may_inline_data(struct inode *inode);
bool f2fs_may_inline_dentry(struct inode *inode);
void read_inline_data(struct page *page, struct page *ipage);
bool truncate_inline_inode(struct page *ipage, u64 from);
int f2fs_read_inline_data(struct inode *inode, struct page *page);
int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
int f2fs_convert_inline_inode(struct inode *inode);
int f2fs_write_inline_data(struct inode *inode, struct page *page);
bool recover_inline_data(struct inode *inode, struct page *npage);
struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
struct fscrypt_name *fname, struct page **res_page);
int make_empty_inline_dir(struct inode *inode, struct inode *parent,
struct page *ipage);
int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
const struct qstr *orig_name,
struct inode *inode, nid_t ino, umode_t mode);
void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
struct inode *dir, struct inode *inode);
bool f2fs_empty_inline_dir(struct inode *dir);
int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
struct fscrypt_str *fstr);
int f2fs_inline_data_fiemap(struct inode *inode,
struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len);
/*
* shrinker.c
*/
unsigned long f2fs_shrink_count(struct shrinker *, struct shrink_control *);
unsigned long f2fs_shrink_scan(struct shrinker *, struct shrink_control *);
void f2fs_join_shrinker(struct f2fs_sb_info *);
void f2fs_leave_shrinker(struct f2fs_sb_info *);
unsigned long f2fs_shrink_count(struct shrinker *shrink,
struct shrink_control *sc);
unsigned long f2fs_shrink_scan(struct shrinker *shrink,
struct shrink_control *sc);
void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
/*
* extent_cache.c
*/
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *, int);
bool f2fs_init_extent_tree(struct inode *, struct f2fs_extent *);
void f2fs_drop_extent_tree(struct inode *);
unsigned int f2fs_destroy_extent_node(struct inode *);
void f2fs_destroy_extent_tree(struct inode *);
bool f2fs_lookup_extent_cache(struct inode *, pgoff_t, struct extent_info *);
void f2fs_update_extent_cache(struct dnode_of_data *);
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext);
void f2fs_drop_extent_tree(struct inode *inode);
unsigned int f2fs_destroy_extent_node(struct inode *inode);
void f2fs_destroy_extent_tree(struct inode *inode);
bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
struct extent_info *ei);
void f2fs_update_extent_cache(struct dnode_of_data *dn);
void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
pgoff_t, block_t, unsigned int);
void init_extent_cache_info(struct f2fs_sb_info *);
pgoff_t fofs, block_t blkaddr, unsigned int len);
void init_extent_cache_info(struct f2fs_sb_info *sbi);
int __init create_extent_cache(void);
void destroy_extent_cache(void);

38
fs/f2fs/file.c
View File

@ -20,6 +20,7 @@
#include <linux/uaccess.h>
#include <linux/mount.h>
#include <linux/pagevec.h>
#include <linux/uio.h>
#include <linux/uuid.h>
#include <linux/file.h>
@ -140,8 +141,6 @@ static inline bool need_do_checkpoint(struct inode *inode)
need_cp = true;
else if (!is_checkpointed_node(sbi, F2FS_I(inode)->i_pino))
need_cp = true;
else if (F2FS_I(inode)->xattr_ver == cur_cp_version(F2FS_CKPT(sbi)))
need_cp = true;
else if (test_opt(sbi, FASTBOOT))
need_cp = true;
else if (sbi->active_logs == 2)
@ -167,7 +166,6 @@ static void try_to_fix_pino(struct inode *inode)
nid_t pino;
down_write(&fi->i_sem);
fi->xattr_ver = 0;
if (file_wrong_pino(inode) && inode->i_nlink == 1 &&
get_parent_ino(inode, &pino)) {
f2fs_i_pino_write(inode, pino);
@ -276,7 +274,8 @@ sync_nodes:
flush_out:
remove_ino_entry(sbi, ino, UPDATE_INO);
clear_inode_flag(inode, FI_UPDATE_WRITE);
ret = f2fs_issue_flush(sbi);
if (!atomic)
ret = f2fs_issue_flush(sbi);
f2fs_update_time(sbi, REQ_TIME);
out:
trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret);
@ -567,8 +566,9 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
}
if (f2fs_has_inline_data(inode)) {
if (truncate_inline_inode(ipage, from))
set_page_dirty(ipage);
truncate_inline_inode(ipage, from);
if (from == 0)
clear_inode_flag(inode, FI_DATA_EXIST);
f2fs_put_page(ipage, 1);
truncate_page = true;
goto out;
@ -1541,6 +1541,8 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
if (ret)
clear_inode_flag(inode, FI_ATOMIC_FILE);
out:
stat_inc_atomic_write(inode);
stat_update_max_atomic_write(inode);
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@ -1564,15 +1566,18 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
goto err_out;
if (f2fs_is_atomic_file(inode)) {
clear_inode_flag(inode, FI_ATOMIC_FILE);
ret = commit_inmem_pages(inode);
if (ret) {
set_inode_flag(inode, FI_ATOMIC_FILE);
if (ret)
goto err_out;
}
}
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
if (!ret) {
clear_inode_flag(inode, FI_ATOMIC_FILE);
stat_dec_atomic_write(inode);
}
} else {
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
}
err_out:
inode_unlock(inode);
mnt_drop_write_file(filp);
@ -1870,7 +1875,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
{
struct inode *inode = file_inode(filp);
struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
struct extent_info ei;
struct extent_info ei = {0,0,0};
pgoff_t pg_start, pg_end;
unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
@ -2250,8 +2255,12 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
inode_lock(inode);
ret = generic_write_checks(iocb, from);
if (ret > 0) {
int err = f2fs_preallocate_blocks(iocb, from);
int err;
if (iov_iter_fault_in_readable(from, iov_iter_count(from)))
set_inode_flag(inode, FI_NO_PREALLOC);
err = f2fs_preallocate_blocks(iocb, from);
if (err) {
inode_unlock(inode);
return err;
@ -2259,6 +2268,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
blk_finish_plug(&plug);
clear_inode_flag(inode, FI_NO_PREALLOC);
}
inode_unlock(inode);

79
fs/f2fs/gc.c
View File

@ -48,8 +48,10 @@ static int gc_thread_func(void *data)
}
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_CHECKPOINT))
if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
f2fs_show_injection_info(FAULT_CHECKPOINT);
f2fs_stop_checkpoint(sbi, false);
}
#endif
/*
@ -166,7 +168,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
p->ofs_unit = sbi->segs_per_sec;
}
if (p->max_search > sbi->max_victim_search)
/* we need to check every dirty segments in the FG_GC case */
if (gc_type != FG_GC && p->max_search > sbi->max_victim_search)
p->max_search = sbi->max_victim_search;
p->offset = sbi->last_victim[p->gc_mode];
@ -199,6 +202,10 @@ static unsigned int check_bg_victims(struct f2fs_sb_info *sbi)
for_each_set_bit(secno, dirty_i->victim_secmap, MAIN_SECS(sbi)) {
if (sec_usage_check(sbi, secno))
continue;
if (no_fggc_candidate(sbi, secno))
continue;
clear_bit(secno, dirty_i->victim_secmap);
return secno * sbi->segs_per_sec;
}
@ -237,6 +244,16 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
return UINT_MAX - ((100 * (100 - u) * age) / (100 + u));
}
static unsigned int get_greedy_cost(struct f2fs_sb_info *sbi,
unsigned int segno)
{
unsigned int valid_blocks =
get_valid_blocks(sbi, segno, sbi->segs_per_sec);
return IS_DATASEG(get_seg_entry(sbi, segno)->type) ?
valid_blocks * 2 : valid_blocks;
}
static inline unsigned int get_gc_cost(struct f2fs_sb_info *sbi,
unsigned int segno, struct victim_sel_policy *p)
{
@ -245,7 +262,7 @@ static inline unsigned int get_gc_cost(struct f2fs_sb_info *sbi,
/* alloc_mode == LFS */
if (p->gc_mode == GC_GREEDY)
return get_valid_blocks(sbi, segno, sbi->segs_per_sec);
return get_greedy_cost(sbi, segno);
else
return get_cb_cost(sbi, segno);
}
@ -322,13 +339,15 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
nsearched++;
}
secno = GET_SECNO(sbi, segno);
if (sec_usage_check(sbi, secno))
goto next;
if (gc_type == BG_GC && test_bit(secno, dirty_i->victim_secmap))
goto next;
if (gc_type == FG_GC && p.alloc_mode == LFS &&
no_fggc_candidate(sbi, secno))
goto next;
cost = get_gc_cost(sbi, segno, &p);
@ -569,6 +588,9 @@ static void move_encrypted_block(struct inode *inode, block_t bidx,
if (!check_valid_map(F2FS_I_SB(inode), segno, off))
goto out;
if (f2fs_is_atomic_file(inode))
goto out;
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, bidx, LOOKUP_NODE);
if (err)
@ -661,6 +683,9 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type,
if (!check_valid_map(F2FS_I_SB(inode), segno, off))
goto out;
if (f2fs_is_atomic_file(inode))
goto out;
if (gc_type == BG_GC) {
if (PageWriteback(page))
goto out;
@ -921,8 +946,6 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background)
cpc.reason = __get_cp_reason(sbi);
gc_more:
segno = NULL_SEGNO;
if (unlikely(!(sbi->sb->s_flags & MS_ACTIVE)))
goto stop;
if (unlikely(f2fs_cp_error(sbi))) {
@ -930,30 +953,23 @@ gc_more:
goto stop;
}
if (gc_type == BG_GC && has_not_enough_free_secs(sbi, sec_freed, 0)) {
gc_type = FG_GC;
if (gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) {
/*
* If there is no victim and no prefree segment but still not
* enough free sections, we should flush dent/node blocks and do
* garbage collections.
* For example, if there are many prefree_segments below given
* threshold, we can make them free by checkpoint. Then, we
* secure free segments which doesn't need fggc any more.
*/
if (__get_victim(sbi, &segno, gc_type) ||
prefree_segments(sbi)) {
ret = write_checkpoint(sbi, &cpc);
if (ret)
goto stop;
segno = NULL_SEGNO;
} else if (has_not_enough_free_secs(sbi, 0, 0)) {
ret = write_checkpoint(sbi, &cpc);
if (ret)
goto stop;
}
} else if (gc_type == BG_GC && !background) {
/* f2fs_balance_fs doesn't need to do BG_GC in critical path. */
goto stop;
ret = write_checkpoint(sbi, &cpc);
if (ret)
goto stop;
if (has_not_enough_free_secs(sbi, 0, 0))
gc_type = FG_GC;
}
if (segno == NULL_SEGNO && !__get_victim(sbi, &segno, gc_type))
/* f2fs_balance_fs doesn't need to do BG_GC in critical path. */
if (gc_type == BG_GC && !background)
goto stop;
if (!__get_victim(sbi, &segno, gc_type))
goto stop;
ret = 0;
@ -983,5 +999,16 @@ stop:
void build_gc_manager(struct f2fs_sb_info *sbi)
{
u64 main_count, resv_count, ovp_count, blocks_per_sec;
DIRTY_I(sbi)->v_ops = &default_v_ops;
/* threshold of # of valid blocks in a section for victims of FG_GC */
main_count = SM_I(sbi)->main_segments << sbi->log_blocks_per_seg;
resv_count = SM_I(sbi)->reserved_segments << sbi->log_blocks_per_seg;
ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;
blocks_per_sec = sbi->blocks_per_seg * sbi->segs_per_sec;
sbi->fggc_threshold = div64_u64((main_count - ovp_count) * blocks_per_sec,
(main_count - resv_count));
}

4
fs/f2fs/inode.c
View File

@ -373,8 +373,10 @@ void f2fs_evict_inode(struct inode *inode)
goto no_delete;
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_EVICT_INODE))
if (time_to_inject(sbi, FAULT_EVICT_INODE)) {
f2fs_show_injection_info(FAULT_EVICT_INODE);
goto no_delete;
}
#endif
remove_ino_entry(sbi, inode->i_ino, APPEND_INO);

18
fs/f2fs/namei.c
View File

@ -321,9 +321,9 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
if (err)
goto err_out;
}
if (!IS_ERR(inode) && f2fs_encrypted_inode(dir) &&
(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
!fscrypt_has_permitted_context(dir, inode)) {
if (f2fs_encrypted_inode(dir) &&
(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
!fscrypt_has_permitted_context(dir, inode)) {
bool nokey = f2fs_encrypted_inode(inode) &&
!fscrypt_has_encryption_key(inode);
err = nokey ? -ENOKEY : -EPERM;
@ -663,6 +663,12 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool is_old_inline = f2fs_has_inline_dentry(old_dir);
int err = -ENOENT;
if ((f2fs_encrypted_inode(old_dir) &&
!fscrypt_has_encryption_key(old_dir)) ||
(f2fs_encrypted_inode(new_dir) &&
!fscrypt_has_encryption_key(new_dir)))
return -ENOKEY;
if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) &&
!fscrypt_has_permitted_context(new_dir, old_inode)) {
err = -EPERM;
@ -843,6 +849,12 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
int old_nlink = 0, new_nlink = 0;
int err = -ENOENT;
if ((f2fs_encrypted_inode(old_dir) &&
!fscrypt_has_encryption_key(old_dir)) ||
(f2fs_encrypted_inode(new_dir) &&
!fscrypt_has_encryption_key(new_dir)))
return -ENOKEY;
if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) &&
(old_dir != new_dir) &&
(!fscrypt_has_permitted_context(new_dir, old_inode) ||

560
fs/f2fs/node.c
View File

@ -245,12 +245,24 @@ bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino)
return need_update;
}
static struct nat_entry *grab_nat_entry(struct f2fs_nm_info *nm_i, nid_t nid)
static struct nat_entry *grab_nat_entry(struct f2fs_nm_info *nm_i, nid_t nid,
bool no_fail)
{
struct nat_entry *new;
new = f2fs_kmem_cache_alloc(nat_entry_slab, GFP_NOFS);
f2fs_radix_tree_insert(&nm_i->nat_root, nid, new);
if (no_fail) {
new = f2fs_kmem_cache_alloc(nat_entry_slab, GFP_NOFS);
f2fs_radix_tree_insert(&nm_i->nat_root, nid, new);
} else {
new = kmem_cache_alloc(nat_entry_slab, GFP_NOFS);
if (!new)
return NULL;
if (radix_tree_insert(&nm_i->nat_root, nid, new)) {
kmem_cache_free(nat_entry_slab, new);
return NULL;
}
}
memset(new, 0, sizeof(struct nat_entry));
nat_set_nid(new, nid);
nat_reset_flag(new);
@ -267,8 +279,9 @@ static void cache_nat_entry(struct f2fs_sb_info *sbi, nid_t nid,
e = __lookup_nat_cache(nm_i, nid);
if (!e) {
e = grab_nat_entry(nm_i, nid);
node_info_from_raw_nat(&e->ni, ne);
e = grab_nat_entry(nm_i, nid, false);
if (e)
node_info_from_raw_nat(&e->ni, ne);
} else {
f2fs_bug_on(sbi, nat_get_ino(e) != le32_to_cpu(ne->ino) ||
nat_get_blkaddr(e) !=
@ -286,7 +299,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
down_write(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, ni->nid);
if (!e) {
e = grab_nat_entry(nm_i, ni->nid);
e = grab_nat_entry(nm_i, ni->nid, true);
copy_node_info(&e->ni, ni);
f2fs_bug_on(sbi, ni->blk_addr == NEW_ADDR);
} else if (new_blkaddr == NEW_ADDR) {
@ -325,6 +338,9 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
set_nat_flag(e, IS_CHECKPOINTED, false);
__set_nat_cache_dirty(nm_i, e);
if (enabled_nat_bits(sbi, NULL) && new_blkaddr == NEW_ADDR)
clear_bit_le(NAT_BLOCK_OFFSET(ni->nid), nm_i->empty_nat_bits);
/* update fsync_mark if its inode nat entry is still alive */
if (ni->nid != ni->ino)
e = __lookup_nat_cache(nm_i, ni->ino);
@ -958,9 +974,6 @@ int truncate_xattr_node(struct inode *inode, struct page *page)
f2fs_i_xnid_write(inode, 0);
/* need to do checkpoint during fsync */
F2FS_I(inode)->xattr_ver = cur_cp_version(F2FS_CKPT(sbi));
set_new_dnode(&dn, inode, page, npage, nid);
if (page)
@ -1018,7 +1031,7 @@ struct page *new_node_page(struct dnode_of_data *dn,
unsigned int ofs, struct page *ipage)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct node_info old_ni, new_ni;
struct node_info new_ni;
struct page *page;
int err;
@ -1033,13 +1046,15 @@ struct page *new_node_page(struct dnode_of_data *dn,
err = -ENOSPC;
goto fail;
}
get_node_info(sbi, dn->nid, &old_ni);
/* Reinitialize old_ni with new node page */
f2fs_bug_on(sbi, old_ni.blk_addr != NULL_ADDR);
new_ni = old_ni;
#ifdef CONFIG_F2FS_CHECK_FS
get_node_info(sbi, dn->nid, &new_ni);
f2fs_bug_on(sbi, new_ni.blk_addr != NULL_ADDR);
#endif
new_ni.nid = dn->nid;
new_ni.ino = dn->inode->i_ino;
new_ni.blk_addr = NULL_ADDR;
new_ni.flag = 0;
new_ni.version = 0;
set_node_addr(sbi, &new_ni, NEW_ADDR, false);
f2fs_wait_on_page_writeback(page, NODE, true);
@ -1305,16 +1320,99 @@ continue_unlock:
return last_page;
}
static int __write_node_page(struct page *page, bool atomic, bool *submitted,
struct writeback_control *wbc)
{
struct f2fs_sb_info *sbi = F2FS_P_SB(page);
nid_t nid;
struct node_info ni;
struct f2fs_io_info fio = {
.sbi = sbi,
.type = NODE,
.op = REQ_OP_WRITE,
.op_flags = wbc_to_write_flags(wbc),
.page = page,
.encrypted_page = NULL,
.submitted = false,
};
trace_f2fs_writepage(page, NODE);
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
if (unlikely(f2fs_cp_error(sbi)))
goto redirty_out;
/* get old block addr of this node page */
nid = nid_of_node(page);
f2fs_bug_on(sbi, page->index != nid);
if (wbc->for_reclaim) {
if (!down_read_trylock(&sbi->node_write))
goto redirty_out;
} else {
down_read(&sbi->node_write);
}
get_node_info(sbi, nid, &ni);
/* This page is already truncated */
if (unlikely(ni.blk_addr == NULL_ADDR)) {
ClearPageUptodate(page);
dec_page_count(sbi, F2FS_DIRTY_NODES);
up_read(&sbi->node_write);
unlock_page(page);
return 0;
}
if (atomic && !test_opt(sbi, NOBARRIER))
fio.op_flags |= REQ_PREFLUSH | REQ_FUA;
set_page_writeback(page);
fio.old_blkaddr = ni.blk_addr;
write_node_page(nid, &fio);
set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page));
dec_page_count(sbi, F2FS_DIRTY_NODES);
up_read(&sbi->node_write);
if (wbc->for_reclaim) {
f2fs_submit_merged_bio_cond(sbi, page->mapping->host, 0,
page->index, NODE, WRITE);
submitted = NULL;
}
unlock_page(page);
if (unlikely(f2fs_cp_error(sbi))) {
f2fs_submit_merged_bio(sbi, NODE, WRITE);
submitted = NULL;
}
if (submitted)
*submitted = fio.submitted;
return 0;
redirty_out:
redirty_page_for_writepage(wbc, page);
return AOP_WRITEPAGE_ACTIVATE;
}
static int f2fs_write_node_page(struct page *page,
struct writeback_control *wbc)
{
return __write_node_page(page, false, NULL, wbc);
}
int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
struct writeback_control *wbc, bool atomic)
{
pgoff_t index, end;
pgoff_t last_idx = ULONG_MAX;
struct pagevec pvec;
int ret = 0;
struct page *last_page = NULL;
bool marked = false;
nid_t ino = inode->i_ino;
int nwritten = 0;
if (atomic) {
last_page = last_fsync_dnode(sbi, ino);
@ -1336,6 +1434,7 @@ retry:
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
bool submitted = false;
if (unlikely(f2fs_cp_error(sbi))) {
f2fs_put_page(last_page, 0);
@ -1384,13 +1483,15 @@ continue_unlock:
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
ret = NODE_MAPPING(sbi)->a_ops->writepage(page, wbc);
ret = __write_node_page(page, atomic &&
page == last_page,
&submitted, wbc);
if (ret) {
unlock_page(page);
f2fs_put_page(last_page, 0);
break;
} else {
nwritten++;
} else if (submitted) {
last_idx = page->index;
}
if (page == last_page) {
@ -1416,8 +1517,9 @@ continue_unlock:
goto retry;
}
out:
if (nwritten)
f2fs_submit_merged_bio_cond(sbi, NULL, NULL, ino, NODE, WRITE);
if (last_idx != ULONG_MAX)
f2fs_submit_merged_bio_cond(sbi, NULL, ino, last_idx,
NODE, WRITE);
return ret ? -EIO: 0;
}
@ -1445,6 +1547,7 @@ next_step:
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
bool submitted = false;
if (unlikely(f2fs_cp_error(sbi))) {
pagevec_release(&pvec);
@ -1498,9 +1601,10 @@ continue_unlock:
set_fsync_mark(page, 0);
set_dentry_mark(page, 0);
if (NODE_MAPPING(sbi)->a_ops->writepage(page, wbc))
ret = __write_node_page(page, false, &submitted, wbc);
if (ret)
unlock_page(page);
else
else if (submitted)
nwritten++;
if (--wbc->nr_to_write == 0)
@ -1564,72 +1668,6 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino)
return ret;
}
static int f2fs_write_node_page(struct page *page,
struct writeback_control *wbc)
{
struct f2fs_sb_info *sbi = F2FS_P_SB(page);
nid_t nid;
struct node_info ni;
struct f2fs_io_info fio = {
.sbi = sbi,
.type = NODE,
.op = REQ_OP_WRITE,
.op_flags = wbc_to_write_flags(wbc),
.page = page,
.encrypted_page = NULL,
};
trace_f2fs_writepage(page, NODE);
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
if (unlikely(f2fs_cp_error(sbi)))
goto redirty_out;
/* get old block addr of this node page */
nid = nid_of_node(page);
f2fs_bug_on(sbi, page->index != nid);
if (wbc->for_reclaim) {
if (!down_read_trylock(&sbi->node_write))
goto redirty_out;
} else {
down_read(&sbi->node_write);
}
get_node_info(sbi, nid, &ni);
/* This page is already truncated */
if (unlikely(ni.blk_addr == NULL_ADDR)) {
ClearPageUptodate(page);
dec_page_count(sbi, F2FS_DIRTY_NODES);
up_read(&sbi->node_write);
unlock_page(page);
return 0;
}
set_page_writeback(page);
fio.old_blkaddr = ni.blk_addr;
write_node_page(nid, &fio);
set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page));
dec_page_count(sbi, F2FS_DIRTY_NODES);
up_read(&sbi->node_write);
if (wbc->for_reclaim)
f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, NODE, WRITE);
unlock_page(page);
if (unlikely(f2fs_cp_error(sbi)))
f2fs_submit_merged_bio(sbi, NODE, WRITE);
return 0;
redirty_out:
redirty_page_for_writepage(wbc, page);
return AOP_WRITEPAGE_ACTIVATE;
}
static int f2fs_write_node_pages(struct address_space *mapping,
struct writeback_control *wbc)
{
@ -1727,7 +1765,8 @@ static void __remove_nid_from_list(struct f2fs_sb_info *sbi,
radix_tree_delete(&nm_i->free_nid_root, i->nid);
}
static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build)
/* return if the nid is recognized as free */
static bool add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct free_nid *i;
@ -1736,14 +1775,14 @@ static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build)
/* 0 nid should not be used */
if (unlikely(nid == 0))
return 0;
return false;
if (build) {
/* do not add allocated nids */
ne = __lookup_nat_cache(nm_i, nid);
if (ne && (!get_nat_flag(ne, IS_CHECKPOINTED) ||
nat_get_blkaddr(ne) != NULL_ADDR))
return 0;
return false;
}
i = f2fs_kmem_cache_alloc(free_nid_slab, GFP_NOFS);
@ -1752,7 +1791,7 @@ static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build)
if (radix_tree_preload(GFP_NOFS)) {
kmem_cache_free(free_nid_slab, i);
return 0;
return true;
}
spin_lock(&nm_i->nid_list_lock);
@ -1761,9 +1800,9 @@ static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build)
radix_tree_preload_end();
if (err) {
kmem_cache_free(free_nid_slab, i);
return 0;
return true;
}
return 1;
return true;
}
static void remove_free_nid(struct f2fs_sb_info *sbi, nid_t nid)
@ -1784,17 +1823,36 @@ static void remove_free_nid(struct f2fs_sb_info *sbi, nid_t nid)
kmem_cache_free(free_nid_slab, i);
}
void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid, bool set)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned int nat_ofs = NAT_BLOCK_OFFSET(nid);
unsigned int nid_ofs = nid - START_NID(nid);
if (!test_bit_le(nat_ofs, nm_i->nat_block_bitmap))
return;
if (set)
set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
else
clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
}
static void scan_nat_page(struct f2fs_sb_info *sbi,
struct page *nat_page, nid_t start_nid)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct f2fs_nat_block *nat_blk = page_address(nat_page);
block_t blk_addr;
unsigned int nat_ofs = NAT_BLOCK_OFFSET(start_nid);
int i;
set_bit_le(nat_ofs, nm_i->nat_block_bitmap);
i = start_nid % NAT_ENTRY_PER_BLOCK;
for (; i < NAT_ENTRY_PER_BLOCK; i++, start_nid++) {
bool freed = false;
if (unlikely(start_nid >= nm_i->max_nid))
break;
@ -1802,11 +1860,106 @@ static void scan_nat_page(struct f2fs_sb_info *sbi,
blk_addr = le32_to_cpu(nat_blk->entries[i].block_addr);
f2fs_bug_on(sbi, blk_addr == NEW_ADDR);
if (blk_addr == NULL_ADDR)
add_free_nid(sbi, start_nid, true);
freed = add_free_nid(sbi, start_nid, true);
update_free_nid_bitmap(sbi, start_nid, freed);
}
}
static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync)
static void scan_free_nid_bits(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
struct f2fs_journal *journal = curseg->journal;
unsigned int i, idx;
down_read(&nm_i->nat_tree_lock);
for (i = 0; i < nm_i->nat_blocks; i++) {
if (!test_bit_le(i, nm_i->nat_block_bitmap))
continue;
for (idx = 0; idx < NAT_ENTRY_PER_BLOCK; idx++) {
nid_t nid;
if (!test_bit_le(idx, nm_i->free_nid_bitmap[i]))
continue;
nid = i * NAT_ENTRY_PER_BLOCK + idx;
add_free_nid(sbi, nid, true);
if (nm_i->nid_cnt[FREE_NID_LIST] >= MAX_FREE_NIDS)
goto out;
}
}
out:
down_read(&curseg->journal_rwsem);
for (i = 0; i < nats_in_cursum(journal); i++) {
block_t addr;
nid_t nid;
addr = le32_to_cpu(nat_in_journal(journal, i).block_addr);
nid = le32_to_cpu(nid_in_journal(journal, i));
if (addr == NULL_ADDR)
add_free_nid(sbi, nid, true);
else
remove_free_nid(sbi, nid);
}
up_read(&curseg->journal_rwsem);
up_read(&nm_i->nat_tree_lock);
}
static int scan_nat_bits(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct page *page;
unsigned int i = 0;
nid_t nid;
if (!enabled_nat_bits(sbi, NULL))
return -EAGAIN;
down_read(&nm_i->nat_tree_lock);
check_empty:
i = find_next_bit_le(nm_i->empty_nat_bits, nm_i->nat_blocks, i);
if (i >= nm_i->nat_blocks) {
i = 0;
goto check_partial;
}
for (nid = i * NAT_ENTRY_PER_BLOCK; nid < (i + 1) * NAT_ENTRY_PER_BLOCK;
nid++) {
if (unlikely(nid >= nm_i->max_nid))
break;
add_free_nid(sbi, nid, true);
}
if (nm_i->nid_cnt[FREE_NID_LIST] >= MAX_FREE_NIDS)
goto out;
i++;
goto check_empty;
check_partial:
i = find_next_zero_bit_le(nm_i->full_nat_bits, nm_i->nat_blocks, i);
if (i >= nm_i->nat_blocks) {
disable_nat_bits(sbi, true);
up_read(&nm_i->nat_tree_lock);
return -EINVAL;
}
nid = i * NAT_ENTRY_PER_BLOCK;
page = get_current_nat_page(sbi, nid);
scan_nat_page(sbi, page, nid);
f2fs_put_page(page, 1);
if (nm_i->nid_cnt[FREE_NID_LIST] < MAX_FREE_NIDS) {
i++;
goto check_partial;
}
out:
up_read(&nm_i->nat_tree_lock);
return 0;
}
static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
@ -1821,6 +1974,29 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync)
if (!sync && !available_free_memory(sbi, FREE_NIDS))
return;
if (!mount) {
/* try to find free nids in free_nid_bitmap */
scan_free_nid_bits(sbi);
if (nm_i->nid_cnt[FREE_NID_LIST])
return;
/* try to find free nids with nat_bits */
if (!scan_nat_bits(sbi) && nm_i->nid_cnt[FREE_NID_LIST])
return;
}
/* find next valid candidate */
if (enabled_nat_bits(sbi, NULL)) {
int idx = find_next_zero_bit_le(nm_i->full_nat_bits,
nm_i->nat_blocks, 0);
if (idx >= nm_i->nat_blocks)
set_sbi_flag(sbi, SBI_NEED_FSCK);
else
nid = idx * NAT_ENTRY_PER_BLOCK;
}
/* readahead nat pages to be scanned */
ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES,
META_NAT, true);
@ -1863,10 +2039,10 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync)
nm_i->ra_nid_pages, META_NAT, false);
}
void build_free_nids(struct f2fs_sb_info *sbi, bool sync)
void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
{
mutex_lock(&NM_I(sbi)->build_lock);
__build_free_nids(sbi, sync);
__build_free_nids(sbi, sync, mount);
mutex_unlock(&NM_I(sbi)->build_lock);
}
@ -1881,8 +2057,10 @@ bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
struct free_nid *i = NULL;
retry:
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_ALLOC_NID))
if (time_to_inject(sbi, FAULT_ALLOC_NID)) {
f2fs_show_injection_info(FAULT_ALLOC_NID);
return false;
}
#endif
spin_lock(&nm_i->nid_list_lock);
@ -1902,13 +2080,16 @@ retry:
i->state = NID_ALLOC;
__insert_nid_to_list(sbi, i, ALLOC_NID_LIST, false);
nm_i->available_nids--;
update_free_nid_bitmap(sbi, *nid, false);
spin_unlock(&nm_i->nid_list_lock);
return true;
}
spin_unlock(&nm_i->nid_list_lock);
/* Let's scan nat pages and its caches to get free nids */
build_free_nids(sbi, true);
build_free_nids(sbi, true, false);
goto retry;
}
@ -1956,6 +2137,8 @@ void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
nm_i->available_nids++;
update_free_nid_bitmap(sbi, nid, true);
spin_unlock(&nm_i->nid_list_lock);
if (need_free)
@ -2018,18 +2201,18 @@ update_inode:
f2fs_put_page(ipage, 1);
}
void recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr)
int recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
nid_t prev_xnid = F2FS_I(inode)->i_xattr_nid;
nid_t new_xnid = nid_of_node(page);
struct node_info ni;
struct page *xpage;
/* 1: invalidate the previous xattr nid */
if (!prev_xnid)
goto recover_xnid;
/* Deallocate node address */
/* 1: invalidate the previous xattr nid */
get_node_info(sbi, prev_xnid, &ni);
f2fs_bug_on(sbi, ni.blk_addr == NULL_ADDR);
invalidate_blocks(sbi, ni.blk_addr);
@ -2037,19 +2220,27 @@ void recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr)
set_node_addr(sbi, &ni, NULL_ADDR, false);
recover_xnid:
/* 2: allocate new xattr nid */
/* 2: update xattr nid in inode */
remove_free_nid(sbi, new_xnid);
f2fs_i_xnid_write(inode, new_xnid);
if (unlikely(!inc_valid_node_count(sbi, inode)))
f2fs_bug_on(sbi, 1);
update_inode_page(inode);
/* 3: update and set xattr node page dirty */
xpage = grab_cache_page(NODE_MAPPING(sbi), new_xnid);
if (!xpage)
return -ENOMEM;
memcpy(F2FS_NODE(xpage), F2FS_NODE(page), PAGE_SIZE);
remove_free_nid(sbi, new_xnid);
get_node_info(sbi, new_xnid, &ni);
ni.ino = inode->i_ino;
set_node_addr(sbi, &ni, NEW_ADDR, false);
f2fs_i_xnid_write(inode, new_xnid);
set_page_dirty(xpage);
f2fs_put_page(xpage, 1);
/* 3: update xattr blkaddr */
refresh_sit_entry(sbi, NEW_ADDR, blkaddr);
set_node_addr(sbi, &ni, blkaddr, false);
return 0;
}
int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
@ -2152,7 +2343,7 @@ static void remove_nats_in_journal(struct f2fs_sb_info *sbi)
ne = __lookup_nat_cache(nm_i, nid);
if (!ne) {
ne = grab_nat_entry(nm_i, nid);
ne = grab_nat_entry(nm_i, nid, true);
node_info_from_raw_nat(&ne->ni, &raw_ne);
}
@ -2192,8 +2383,39 @@ add_out:
list_add_tail(&nes->set_list, head);
}
void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
struct page *page)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned int nat_index = start_nid / NAT_ENTRY_PER_BLOCK;
struct f2fs_nat_block *nat_blk = page_address(page);
int valid = 0;
int i;
if (!enabled_nat_bits(sbi, NULL))
return;
for (i = 0; i < NAT_ENTRY_PER_BLOCK; i++) {
if (start_nid == 0 && i == 0)
valid++;
if (nat_blk->entries[i].block_addr)
valid++;
}
if (valid == 0) {
set_bit_le(nat_index, nm_i->empty_nat_bits);
clear_bit_le(nat_index, nm_i->full_nat_bits);
return;
}
clear_bit_le(nat_index, nm_i->empty_nat_bits);
if (valid == NAT_ENTRY_PER_BLOCK)
set_bit_le(nat_index, nm_i->full_nat_bits);
else
clear_bit_le(nat_index, nm_i->full_nat_bits);
}
static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
struct nat_entry_set *set)
struct nat_entry_set *set, struct cp_control *cpc)
{
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
struct f2fs_journal *journal = curseg->journal;
@ -2208,7 +2430,8 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
* #1, flush nat entries to journal in current hot data summary block.
* #2, flush nat entries to nat page.
*/
if (!__has_cursum_space(journal, set->entry_cnt, NAT_JOURNAL))
if (enabled_nat_bits(sbi, cpc) ||
!__has_cursum_space(journal, set->entry_cnt, NAT_JOURNAL))
to_journal = false;
if (to_journal) {
@ -2244,14 +2467,21 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
add_free_nid(sbi, nid, false);
spin_lock(&NM_I(sbi)->nid_list_lock);
NM_I(sbi)->available_nids++;
update_free_nid_bitmap(sbi, nid, true);
spin_unlock(&NM_I(sbi)->nid_list_lock);
} else {
spin_lock(&NM_I(sbi)->nid_list_lock);
update_free_nid_bitmap(sbi, nid, false);
spin_unlock(&NM_I(sbi)->nid_list_lock);
}
}
if (to_journal)
if (to_journal) {
up_write(&curseg->journal_rwsem);
else
} else {
__update_nat_bits(sbi, start_nid, page);
f2fs_put_page(page, 1);
}
f2fs_bug_on(sbi, set->entry_cnt);
@ -2262,7 +2492,7 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
/*
* This function is called during the checkpointing process.
*/
void flush_nat_entries(struct f2fs_sb_info *sbi)
void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
@ -2283,7 +2513,8 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
* entries, remove all entries from journal and merge them
* into nat entry set.
*/
if (!__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL))
if (enabled_nat_bits(sbi, cpc) ||
!__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL))
remove_nats_in_journal(sbi);
while ((found = __gang_lookup_nat_set(nm_i,
@ -2297,27 +2528,69 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
/* flush dirty nats in nat entry set */
list_for_each_entry_safe(set, tmp, &sets, set_list)
__flush_nat_entry_set(sbi, set);
__flush_nat_entry_set(sbi, set, cpc);
up_write(&nm_i->nat_tree_lock);
f2fs_bug_on(sbi, nm_i->dirty_nat_cnt);
}
static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned int nat_bits_bytes = nm_i->nat_blocks / BITS_PER_BYTE;
unsigned int i;
__u64 cp_ver = cur_cp_version(ckpt);
block_t nat_bits_addr;
if (!enabled_nat_bits(sbi, NULL))
return 0;
nm_i->nat_bits_blocks = F2FS_BYTES_TO_BLK((nat_bits_bytes << 1) + 8 +
F2FS_BLKSIZE - 1);
nm_i->nat_bits = kzalloc(nm_i->nat_bits_blocks << F2FS_BLKSIZE_BITS,
GFP_KERNEL);
if (!nm_i->nat_bits)
return -ENOMEM;
nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++) {
struct page *page = get_meta_page(sbi, nat_bits_addr++);
memcpy(nm_i->nat_bits + (i << F2FS_BLKSIZE_BITS),
page_address(page), F2FS_BLKSIZE);
f2fs_put_page(page, 1);
}
cp_ver |= (cur_cp_crc(ckpt) << 32);
if (cpu_to_le64(cp_ver) != *(__le64 *)nm_i->nat_bits) {
disable_nat_bits(sbi, true);
return 0;
}
nm_i->full_nat_bits = nm_i->nat_bits + 8;
nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;
f2fs_msg(sbi->sb, KERN_NOTICE, "Found nat_bits in checkpoint");
return 0;
}
static int init_node_manager(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *sb_raw = F2FS_RAW_SUPER(sbi);
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned char *version_bitmap;
unsigned int nat_segs, nat_blocks;
unsigned int nat_segs;
int err;
nm_i->nat_blkaddr = le32_to_cpu(sb_raw->nat_blkaddr);
/* segment_count_nat includes pair segment so divide to 2. */
nat_segs = le32_to_cpu(sb_raw->segment_count_nat) >> 1;
nat_blocks = nat_segs << le32_to_cpu(sb_raw->log_blocks_per_seg);
nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nat_blocks;
nm_i->nat_blocks = nat_segs << le32_to_cpu(sb_raw->log_blocks_per_seg);
nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nm_i->nat_blocks;
/* not used nids: 0, node, meta, (and root counted as valid node) */
nm_i->available_nids = nm_i->max_nid - sbi->total_valid_node_count -
@ -2350,6 +2623,34 @@ static int init_node_manager(struct f2fs_sb_info *sbi)
GFP_KERNEL);
if (!nm_i->nat_bitmap)
return -ENOMEM;
err = __get_nat_bitmaps(sbi);
if (err)
return err;
#ifdef CONFIG_F2FS_CHECK_FS
nm_i->nat_bitmap_mir = kmemdup(version_bitmap, nm_i->bitmap_size,
GFP_KERNEL);
if (!nm_i->nat_bitmap_mir)
return -ENOMEM;
#endif
return 0;
}
int init_free_nid_cache(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
nm_i->free_nid_bitmap = f2fs_kvzalloc(nm_i->nat_blocks *
NAT_ENTRY_BITMAP_SIZE, GFP_KERNEL);
if (!nm_i->free_nid_bitmap)
return -ENOMEM;
nm_i->nat_block_bitmap = f2fs_kvzalloc(nm_i->nat_blocks / 8,
GFP_KERNEL);
if (!nm_i->nat_block_bitmap)
return -ENOMEM;
return 0;
}
@ -2365,7 +2666,11 @@ int build_node_manager(struct f2fs_sb_info *sbi)
if (err)
return err;
build_free_nids(sbi, true);
err = init_free_nid_cache(sbi);
if (err)
return err;
build_free_nids(sbi, true, true);
return 0;
}
@ -2423,7 +2728,14 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
}
up_write(&nm_i->nat_tree_lock);
kvfree(nm_i->nat_block_bitmap);
kvfree(nm_i->free_nid_bitmap);
kfree(nm_i->nat_bitmap);
kfree(nm_i->nat_bits);
#ifdef CONFIG_F2FS_CHECK_FS
kfree(nm_i->nat_bitmap_mir);
#endif
sbi->nm_info = NULL;
kfree(nm_i);
}

33
fs/f2fs/node.h
View File

@ -174,7 +174,7 @@ static inline void next_free_nid(struct f2fs_sb_info *sbi, nid_t *nid)
spin_unlock(&nm_i->nid_list_lock);
return;
}
fnid = list_entry(nm_i->nid_list[FREE_NID_LIST].next,
fnid = list_first_entry(&nm_i->nid_list[FREE_NID_LIST],
struct free_nid, list);
*nid = fnid->nid;
spin_unlock(&nm_i->nid_list_lock);
@ -186,6 +186,12 @@ static inline void next_free_nid(struct f2fs_sb_info *sbi, nid_t *nid)
static inline void get_nat_bitmap(struct f2fs_sb_info *sbi, void *addr)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
#ifdef CONFIG_F2FS_CHECK_FS
if (memcmp(nm_i->nat_bitmap, nm_i->nat_bitmap_mir,
nm_i->bitmap_size))
f2fs_bug_on(sbi, 1);
#endif
memcpy(addr, nm_i->nat_bitmap, nm_i->bitmap_size);
}
@ -228,6 +234,9 @@ static inline void set_to_next_nat(struct f2fs_nm_info *nm_i, nid_t start_nid)
unsigned int block_off = NAT_BLOCK_OFFSET(start_nid);
f2fs_change_bit(block_off, nm_i->nat_bitmap);
#ifdef CONFIG_F2FS_CHECK_FS
f2fs_change_bit(block_off, nm_i->nat_bitmap_mir);
#endif
}
static inline nid_t ino_of_node(struct page *node_page)
@ -291,14 +300,11 @@ static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
struct f2fs_node *rn = F2FS_NODE(page);
size_t crc_offset = le32_to_cpu(ckpt->checksum_offset);
__u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver);
__u64 cp_ver = cur_cp_version(ckpt);
if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG))
cp_ver |= (cur_cp_crc(ckpt) << 32);
if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) {
__u64 crc = le32_to_cpu(*((__le32 *)
((unsigned char *)ckpt + crc_offset)));
cp_ver |= (crc << 32);
}
rn->footer.cp_ver = cpu_to_le64(cp_ver);
rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
}
@ -306,14 +312,11 @@ static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
static inline bool is_recoverable_dnode(struct page *page)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
size_t crc_offset = le32_to_cpu(ckpt->checksum_offset);
__u64 cp_ver = cur_cp_version(ckpt);
if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) {
__u64 crc = le32_to_cpu(*((__le32 *)
((unsigned char *)ckpt + crc_offset)));
cp_ver |= (crc << 32);
}
if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG))
cp_ver |= (cur_cp_crc(ckpt) << 32);
return cp_ver == cpver_of_node(page);
}
@ -343,7 +346,7 @@ static inline bool IS_DNODE(struct page *node_page)
unsigned int ofs = ofs_of_node(node_page);
if (f2fs_has_xattr_block(ofs))
return false;
return true;
if (ofs == 3 || ofs == 4 + NIDS_PER_BLOCK ||
ofs == 5 + 2 * NIDS_PER_BLOCK)

17
fs/f2fs/recovery.c
View File

@ -378,11 +378,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
if (IS_INODE(page)) {
recover_inline_xattr(inode, page);
} else if (f2fs_has_xattr_block(ofs_of_node(page))) {
/*
* Deprecated; xattr blocks should be found from cold log.
* But, we should remain this for backward compatibility.
*/
recover_xattr_data(inode, page, blkaddr);
err = recover_xattr_data(inode, page, blkaddr);
if (!err)
recovered++;
goto out;
}
@ -428,8 +426,9 @@ retry_dn:
}
if (!file_keep_isize(inode) &&
(i_size_read(inode) <= (start << PAGE_SHIFT)))
f2fs_i_size_write(inode, (start + 1) << PAGE_SHIFT);
(i_size_read(inode) <= ((loff_t)start << PAGE_SHIFT)))
f2fs_i_size_write(inode,
(loff_t)(start + 1) << PAGE_SHIFT);
/*
* dest is reserved block, invalidate src block
@ -552,10 +551,8 @@ next:
int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
{
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
struct list_head inode_list;
struct list_head dir_list;
block_t blkaddr;
int err;
int ret = 0;
bool need_writecp = false;
@ -571,8 +568,6 @@ int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
/* prevent checkpoint */
mutex_lock(&sbi->cp_mutex);
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
/* step #1: find fsynced inode numbers */
err = find_fsync_dnodes(sbi, &inode_list);
if (err || list_empty(&inode_list))

505
fs/f2fs/segment.c
View File

@ -26,7 +26,7 @@
#define __reverse_ffz(x) __reverse_ffs(~(x))
static struct kmem_cache *discard_entry_slab;
static struct kmem_cache *bio_entry_slab;
static struct kmem_cache *discard_cmd_slab;
static struct kmem_cache *sit_entry_set_slab;
static struct kmem_cache *inmem_entry_slab;
@ -242,11 +242,12 @@ void drop_inmem_pages(struct inode *inode)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
clear_inode_flag(inode, FI_ATOMIC_FILE);
mutex_lock(&fi->inmem_lock);
__revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
mutex_unlock(&fi->inmem_lock);
clear_inode_flag(inode, FI_ATOMIC_FILE);
stat_dec_atomic_write(inode);
}
static int __commit_inmem_pages(struct inode *inode,
@ -262,7 +263,7 @@ static int __commit_inmem_pages(struct inode *inode,
.op_flags = REQ_SYNC | REQ_PRIO,
.encrypted_page = NULL,
};
bool submit_bio = false;
pgoff_t last_idx = ULONG_MAX;
int err = 0;
list_for_each_entry_safe(cur, tmp, &fi->inmem_pages, list) {
@ -288,15 +289,15 @@ static int __commit_inmem_pages(struct inode *inode,
/* record old blkaddr for revoking */
cur->old_addr = fio.old_blkaddr;
submit_bio = true;
last_idx = page->index;
}
unlock_page(page);
list_move_tail(&cur->list, revoke_list);
}
if (submit_bio)
f2fs_submit_merged_bio_cond(sbi, inode, NULL, 0, DATA, WRITE);
if (last_idx != ULONG_MAX)
f2fs_submit_merged_bio_cond(sbi, inode, 0, last_idx,
DATA, WRITE);
if (!err)
__revoke_inmem_pages(inode, revoke_list, false, false);
@ -315,6 +316,8 @@ int commit_inmem_pages(struct inode *inode)
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
set_inode_flag(inode, FI_ATOMIC_COMMIT);
mutex_lock(&fi->inmem_lock);
err = __commit_inmem_pages(inode, &revoke_list);
if (err) {
@ -336,6 +339,8 @@ int commit_inmem_pages(struct inode *inode)
}
mutex_unlock(&fi->inmem_lock);
clear_inode_flag(inode, FI_ATOMIC_COMMIT);
f2fs_unlock_op(sbi);
return err;
}
@ -347,8 +352,10 @@ int commit_inmem_pages(struct inode *inode)
void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
{
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_CHECKPOINT))
if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
f2fs_show_injection_info(FAULT_CHECKPOINT);
f2fs_stop_checkpoint(sbi, false);
}
#endif
if (!need)
@ -381,7 +388,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
if (!available_free_memory(sbi, FREE_NIDS))
try_to_free_nids(sbi, MAX_FREE_NIDS);
else
build_free_nids(sbi, false);
build_free_nids(sbi, false, false);
if (!is_idle(sbi))
return;
@ -423,6 +430,9 @@ static int submit_flush_wait(struct f2fs_sb_info *sbi)
if (sbi->s_ndevs && !ret) {
for (i = 1; i < sbi->s_ndevs; i++) {
trace_f2fs_issue_flush(FDEV(i).bdev,
test_opt(sbi, NOBARRIER),
test_opt(sbi, FLUSH_MERGE));
ret = __submit_flush_wait(FDEV(i).bdev);
if (ret)
break;
@ -434,7 +444,7 @@ static int submit_flush_wait(struct f2fs_sb_info *sbi)
static int issue_flush_thread(void *data)
{
struct f2fs_sb_info *sbi = data;
struct flush_cmd_control *fcc = SM_I(sbi)->cmd_control_info;
struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info;
wait_queue_head_t *q = &fcc->flush_wait_queue;
repeat:
if (kthread_should_stop())
@ -463,16 +473,16 @@ repeat:
int f2fs_issue_flush(struct f2fs_sb_info *sbi)
{
struct flush_cmd_control *fcc = SM_I(sbi)->cmd_control_info;
struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info;
struct flush_cmd cmd;
trace_f2fs_issue_flush(sbi->sb, test_opt(sbi, NOBARRIER),
test_opt(sbi, FLUSH_MERGE));
if (test_opt(sbi, NOBARRIER))
return 0;
if (!test_opt(sbi, FLUSH_MERGE) || !atomic_read(&fcc->submit_flush)) {
if (!test_opt(sbi, FLUSH_MERGE))
return submit_flush_wait(sbi);
if (!atomic_read(&fcc->submit_flush)) {
int ret;
atomic_inc(&fcc->submit_flush);
@ -506,8 +516,8 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
struct flush_cmd_control *fcc;
int err = 0;
if (SM_I(sbi)->cmd_control_info) {
fcc = SM_I(sbi)->cmd_control_info;
if (SM_I(sbi)->fcc_info) {
fcc = SM_I(sbi)->fcc_info;
goto init_thread;
}
@ -517,14 +527,14 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
atomic_set(&fcc->submit_flush, 0);
init_waitqueue_head(&fcc->flush_wait_queue);
init_llist_head(&fcc->issue_list);
SM_I(sbi)->cmd_control_info = fcc;
SM_I(sbi)->fcc_info = fcc;
init_thread:
fcc->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi,
"f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(fcc->f2fs_issue_flush)) {
err = PTR_ERR(fcc->f2fs_issue_flush);
kfree(fcc);
SM_I(sbi)->cmd_control_info = NULL;
SM_I(sbi)->fcc_info = NULL;
return err;
}
@ -533,7 +543,7 @@ init_thread:
void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free)
{
struct flush_cmd_control *fcc = SM_I(sbi)->cmd_control_info;
struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info;
if (fcc && fcc->f2fs_issue_flush) {
struct task_struct *flush_thread = fcc->f2fs_issue_flush;
@ -543,7 +553,7 @@ void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free)
}
if (free) {
kfree(fcc);
SM_I(sbi)->cmd_control_info = NULL;
SM_I(sbi)->fcc_info = NULL;
}
}
@ -623,60 +633,144 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
mutex_unlock(&dirty_i->seglist_lock);
}
static struct bio_entry *__add_bio_entry(struct f2fs_sb_info *sbi,
struct bio *bio)
static void __add_discard_cmd(struct f2fs_sb_info *sbi,
struct bio *bio, block_t lstart, block_t len)
{
struct list_head *wait_list = &(SM_I(sbi)->wait_list);
struct bio_entry *be = f2fs_kmem_cache_alloc(bio_entry_slab, GFP_NOFS);
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
struct list_head *cmd_list = &(dcc->discard_cmd_list);
struct discard_cmd *dc;
INIT_LIST_HEAD(&be->list);
be->bio = bio;
init_completion(&be->event);
list_add_tail(&be->list, wait_list);
dc = f2fs_kmem_cache_alloc(discard_cmd_slab, GFP_NOFS);
INIT_LIST_HEAD(&dc->list);
dc->bio = bio;
bio->bi_private = dc;
dc->lstart = lstart;
dc->len = len;
dc->state = D_PREP;
init_completion(&dc->wait);
return be;
mutex_lock(&dcc->cmd_lock);
list_add_tail(&dc->list, cmd_list);
mutex_unlock(&dcc->cmd_lock);
}
void f2fs_wait_all_discard_bio(struct f2fs_sb_info *sbi)
static void __remove_discard_cmd(struct f2fs_sb_info *sbi, struct discard_cmd *dc)
{
struct list_head *wait_list = &(SM_I(sbi)->wait_list);
struct bio_entry *be, *tmp;
int err = dc->bio->bi_error;
list_for_each_entry_safe(be, tmp, wait_list, list) {
struct bio *bio = be->bio;
int err;
if (dc->state == D_DONE)
atomic_dec(&(SM_I(sbi)->dcc_info->submit_discard));
wait_for_completion_io(&be->event);
err = be->error;
if (err == -EOPNOTSUPP)
err = 0;
if (err == -EOPNOTSUPP)
err = 0;
if (err)
f2fs_msg(sbi->sb, KERN_INFO,
if (err)
f2fs_msg(sbi->sb, KERN_INFO,
"Issue discard failed, ret: %d", err);
bio_put(bio);
list_del(&be->list);
kmem_cache_free(bio_entry_slab, be);
}
bio_put(dc->bio);
list_del(&dc->list);
kmem_cache_free(discard_cmd_slab, dc);
}
static void f2fs_submit_bio_wait_endio(struct bio *bio)
/* This should be covered by global mutex, &sit_i->sentry_lock */
void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr)
{
struct bio_entry *be = (struct bio_entry *)bio->bi_private;
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
struct list_head *wait_list = &(dcc->discard_cmd_list);
struct discard_cmd *dc, *tmp;
struct blk_plug plug;
be->error = bio->bi_error;
complete(&be->event);
mutex_lock(&dcc->cmd_lock);
blk_start_plug(&plug);
list_for_each_entry_safe(dc, tmp, wait_list, list) {
if (blkaddr == NULL_ADDR) {
if (dc->state == D_PREP) {
dc->state = D_SUBMIT;
submit_bio(dc->bio);
atomic_inc(&dcc->submit_discard);
}
continue;
}
if (dc->lstart <= blkaddr && blkaddr < dc->lstart + dc->len) {
if (dc->state == D_SUBMIT)
wait_for_completion_io(&dc->wait);
else
__remove_discard_cmd(sbi, dc);
}
}
blk_finish_plug(&plug);
/* this comes from f2fs_put_super */
if (blkaddr == NULL_ADDR) {
list_for_each_entry_safe(dc, tmp, wait_list, list) {
wait_for_completion_io(&dc->wait);
__remove_discard_cmd(sbi, dc);
}
}
mutex_unlock(&dcc->cmd_lock);
}
static void f2fs_submit_discard_endio(struct bio *bio)
{
struct discard_cmd *dc = (struct discard_cmd *)bio->bi_private;
complete(&dc->wait);
dc->state = D_DONE;
}
static int issue_discard_thread(void *data)
{
struct f2fs_sb_info *sbi = data;
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
wait_queue_head_t *q = &dcc->discard_wait_queue;
struct list_head *cmd_list = &dcc->discard_cmd_list;
struct discard_cmd *dc, *tmp;
struct blk_plug plug;
int iter = 0;
repeat:
if (kthread_should_stop())
return 0;
blk_start_plug(&plug);
mutex_lock(&dcc->cmd_lock);
list_for_each_entry_safe(dc, tmp, cmd_list, list) {
if (dc->state == D_PREP) {
dc->state = D_SUBMIT;
submit_bio(dc->bio);
atomic_inc(&dcc->submit_discard);
if (iter++ > DISCARD_ISSUE_RATE)
break;
} else if (dc->state == D_DONE) {
__remove_discard_cmd(sbi, dc);
}
}
mutex_unlock(&dcc->cmd_lock);
blk_finish_plug(&plug);
iter = 0;
congestion_wait(BLK_RW_SYNC, HZ/50);
wait_event_interruptible(*q,
kthread_should_stop() || !list_empty(&dcc->discard_cmd_list));
goto repeat;
}
/* this function is copied from blkdev_issue_discard from block/blk-lib.c */
static int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi,
struct block_device *bdev, block_t blkstart, block_t blklen)
{
struct bio *bio = NULL;
block_t lblkstart = blkstart;
int err;
trace_f2fs_issue_discard(sbi->sb, blkstart, blklen);
trace_f2fs_issue_discard(bdev, blkstart, blklen);
if (sbi->s_ndevs) {
int devi = f2fs_target_device_index(sbi, blkstart);
@ -688,14 +782,12 @@ static int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi,
SECTOR_FROM_BLOCK(blklen),
GFP_NOFS, 0, &bio);
if (!err && bio) {
struct bio_entry *be = __add_bio_entry(sbi, bio);
bio->bi_private = be;
bio->bi_end_io = f2fs_submit_bio_wait_endio;
bio->bi_end_io = f2fs_submit_discard_endio;
bio->bi_opf |= REQ_SYNC;
submit_bio(bio);
}
__add_discard_cmd(sbi, bio, lblkstart, blklen);
wake_up(&SM_I(sbi)->dcc_info->discard_wait_queue);
}
return err;
}
@ -703,24 +795,13 @@ static int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi,
static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
struct block_device *bdev, block_t blkstart, block_t blklen)
{
sector_t nr_sects = SECTOR_FROM_BLOCK(blklen);
sector_t sector;
sector_t sector, nr_sects;
int devi = 0;
if (sbi->s_ndevs) {
devi = f2fs_target_device_index(sbi, blkstart);
blkstart -= FDEV(devi).start_blk;
}
sector = SECTOR_FROM_BLOCK(blkstart);
if (sector & (bdev_zone_sectors(bdev) - 1) ||
nr_sects != bdev_zone_sectors(bdev)) {
f2fs_msg(sbi->sb, KERN_INFO,
"(%d) %s: Unaligned discard attempted (block %x + %x)",
devi, sbi->s_ndevs ? FDEV(devi).path: "",
blkstart, blklen);
return -EIO;
}
/*
* We need to know the type of the zone: for conventional zones,
@ -735,7 +816,18 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
return __f2fs_issue_discard_async(sbi, bdev, blkstart, blklen);
case BLK_ZONE_TYPE_SEQWRITE_REQ:
case BLK_ZONE_TYPE_SEQWRITE_PREF:
trace_f2fs_issue_reset_zone(sbi->sb, blkstart);
sector = SECTOR_FROM_BLOCK(blkstart);
nr_sects = SECTOR_FROM_BLOCK(blklen);
if (sector & (bdev_zone_sectors(bdev) - 1) ||
nr_sects != bdev_zone_sectors(bdev)) {
f2fs_msg(sbi->sb, KERN_INFO,
"(%d) %s: Unaligned discard attempted (block %x + %x)",
devi, sbi->s_ndevs ? FDEV(devi).path: "",
blkstart, blklen);
return -EIO;
}
trace_f2fs_issue_reset_zone(bdev, blkstart);
return blkdev_reset_zones(bdev, sector,
nr_sects, GFP_NOFS);
default:
@ -800,13 +892,14 @@ static void __add_discard_entry(struct f2fs_sb_info *sbi,
struct cp_control *cpc, struct seg_entry *se,
unsigned int start, unsigned int end)
{
struct list_head *head = &SM_I(sbi)->discard_list;
struct list_head *head = &SM_I(sbi)->dcc_info->discard_entry_list;
struct discard_entry *new, *last;
if (!list_empty(head)) {
last = list_last_entry(head, struct discard_entry, list);
if (START_BLOCK(sbi, cpc->trim_start) + start ==
last->blkaddr + last->len) {
last->blkaddr + last->len &&
last->len < MAX_DISCARD_BLOCKS(sbi)) {
last->len += end - start;
goto done;
}
@ -818,10 +911,11 @@ static void __add_discard_entry(struct f2fs_sb_info *sbi,
new->len = end - start;
list_add_tail(&new->list, head);
done:
SM_I(sbi)->nr_discards += end - start;
SM_I(sbi)->dcc_info->nr_discards += end - start;
}
static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
bool check_only)
{
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
int max_blocks = sbi->blocks_per_seg;
@ -835,12 +929,13 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
int i;
if (se->valid_blocks == max_blocks || !f2fs_discard_en(sbi))
return;
return false;
if (!force) {
if (!test_opt(sbi, DISCARD) || !se->valid_blocks ||
SM_I(sbi)->nr_discards >= SM_I(sbi)->max_discards)
return;
SM_I(sbi)->dcc_info->nr_discards >=
SM_I(sbi)->dcc_info->max_discards)
return false;
}
/* SIT_VBLOCK_MAP_SIZE should be multiple of sizeof(unsigned long) */
@ -848,7 +943,8 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
dmap[i] = force ? ~ckpt_map[i] & ~discard_map[i] :
(cur_map[i] ^ ckpt_map[i]) & ckpt_map[i];
while (force || SM_I(sbi)->nr_discards <= SM_I(sbi)->max_discards) {
while (force || SM_I(sbi)->dcc_info->nr_discards <=
SM_I(sbi)->dcc_info->max_discards) {
start = __find_rev_next_bit(dmap, max_blocks, end + 1);
if (start >= max_blocks)
break;
@ -858,13 +954,17 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
&& (end - start) < cpc->trim_minlen)
continue;
if (check_only)
return true;
__add_discard_entry(sbi, cpc, se, start, end);
}
return false;
}
void release_discard_addrs(struct f2fs_sb_info *sbi)
{
struct list_head *head = &(SM_I(sbi)->discard_list);
struct list_head *head = &(SM_I(sbi)->dcc_info->discard_entry_list);
struct discard_entry *entry, *this;
/* drop caches */
@ -890,17 +990,14 @@ static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct list_head *head = &(SM_I(sbi)->discard_list);
struct list_head *head = &(SM_I(sbi)->dcc_info->discard_entry_list);
struct discard_entry *entry, *this;
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
struct blk_plug plug;
unsigned long *prefree_map = dirty_i->dirty_segmap[PRE];
unsigned int start = 0, end = -1;
unsigned int secno, start_segno;
bool force = (cpc->reason == CP_DISCARD);
blk_start_plug(&plug);
mutex_lock(&dirty_i->seglist_lock);
while (1) {
@ -916,9 +1013,13 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
dirty_i->nr_dirty[PRE] -= end - start;
if (force || !test_opt(sbi, DISCARD))
if (!test_opt(sbi, DISCARD))
continue;
if (force && start >= cpc->trim_start &&
(end - 1) <= cpc->trim_end)
continue;
if (!test_opt(sbi, LFS) || sbi->segs_per_sec == 1) {
f2fs_issue_discard(sbi, START_BLOCK(sbi, start),
(end - start) << sbi->log_blocks_per_seg);
@ -935,6 +1036,8 @@ next:
start = start_segno + sbi->segs_per_sec;
if (start < end)
goto next;
else
end = start - 1;
}
mutex_unlock(&dirty_i->seglist_lock);
@ -946,11 +1049,62 @@ next:
cpc->trimmed += entry->len;
skip:
list_del(&entry->list);
SM_I(sbi)->nr_discards -= entry->len;
SM_I(sbi)->dcc_info->nr_discards -= entry->len;
kmem_cache_free(discard_entry_slab, entry);
}
}
blk_finish_plug(&plug);
static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
{
dev_t dev = sbi->sb->s_bdev->bd_dev;
struct discard_cmd_control *dcc;
int err = 0;
if (SM_I(sbi)->dcc_info) {
dcc = SM_I(sbi)->dcc_info;
goto init_thread;
}
dcc = kzalloc(sizeof(struct discard_cmd_control), GFP_KERNEL);
if (!dcc)
return -ENOMEM;
INIT_LIST_HEAD(&dcc->discard_entry_list);
INIT_LIST_HEAD(&dcc->discard_cmd_list);
mutex_init(&dcc->cmd_lock);
atomic_set(&dcc->submit_discard, 0);
dcc->nr_discards = 0;
dcc->max_discards = 0;
init_waitqueue_head(&dcc->discard_wait_queue);
SM_I(sbi)->dcc_info = dcc;
init_thread:
dcc->f2fs_issue_discard = kthread_run(issue_discard_thread, sbi,
"f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(dcc->f2fs_issue_discard)) {
err = PTR_ERR(dcc->f2fs_issue_discard);
kfree(dcc);
SM_I(sbi)->dcc_info = NULL;
return err;
}
return err;
}
static void destroy_discard_cmd_control(struct f2fs_sb_info *sbi, bool free)
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
if (dcc && dcc->f2fs_issue_discard) {
struct task_struct *discard_thread = dcc->f2fs_issue_discard;
dcc->f2fs_issue_discard = NULL;
kthread_stop(discard_thread);
}
if (free) {
kfree(dcc);
SM_I(sbi)->dcc_info = NULL;
}
}
static bool __mark_sit_entry_dirty(struct f2fs_sb_info *sbi, unsigned int segno)
@ -995,14 +1149,32 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
/* Update valid block bitmap */
if (del > 0) {
if (f2fs_test_and_set_bit(offset, se->cur_valid_map))
if (f2fs_test_and_set_bit(offset, se->cur_valid_map)) {
#ifdef CONFIG_F2FS_CHECK_FS
if (f2fs_test_and_set_bit(offset,
se->cur_valid_map_mir))
f2fs_bug_on(sbi, 1);
else
WARN_ON(1);
#else
f2fs_bug_on(sbi, 1);
#endif
}
if (f2fs_discard_en(sbi) &&
!f2fs_test_and_set_bit(offset, se->discard_map))
sbi->discard_blks--;
} else {
if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map))
if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map)) {
#ifdef CONFIG_F2FS_CHECK_FS
if (!f2fs_test_and_clear_bit(offset,
se->cur_valid_map_mir))
f2fs_bug_on(sbi, 1);
else
WARN_ON(1);
#else
f2fs_bug_on(sbi, 1);
#endif
}
if (f2fs_discard_en(sbi) &&
f2fs_test_and_clear_bit(offset, se->discard_map))
sbi->discard_blks++;
@ -1167,17 +1339,6 @@ static void write_current_sum_page(struct f2fs_sb_info *sbi,
f2fs_put_page(page, 1);
}
static int is_next_segment_free(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int segno = curseg->segno + 1;
struct free_segmap_info *free_i = FREE_I(sbi);
if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)
return !test_bit(segno, free_i->free_segmap);
return 0;
}
/*
* Find a new segment from the free segments bitmap to right order
* This function should be returned with success, otherwise BUG
@ -1382,16 +1543,39 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;
int i, cnt;
bool reversed = false;
if (IS_NODESEG(type) || !has_not_enough_free_secs(sbi, 0, 0))
return v_ops->get_victim(sbi,
&(curseg)->next_segno, BG_GC, type, SSR);
/* need_SSR() already forces to do this */
if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR))
return 1;
/* For data segments, let's do SSR more intensively */
for (; type >= CURSEG_HOT_DATA; type--)
/* For node segments, let's do SSR more intensively */
if (IS_NODESEG(type)) {
if (type >= CURSEG_WARM_NODE) {
reversed = true;
i = CURSEG_COLD_NODE;
} else {
i = CURSEG_HOT_NODE;
}
cnt = NR_CURSEG_NODE_TYPE;
} else {
if (type >= CURSEG_WARM_DATA) {
reversed = true;
i = CURSEG_COLD_DATA;
} else {
i = CURSEG_HOT_DATA;
}
cnt = NR_CURSEG_DATA_TYPE;
}
for (; cnt-- > 0; reversed ? i-- : i++) {
if (i == type)
continue;
if (v_ops->get_victim(sbi, &(curseg)->next_segno,
BG_GC, type, SSR))
BG_GC, i, SSR))
return 1;
}
return 0;
}
@ -1402,20 +1586,17 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
int type, bool force)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
if (force)
new_curseg(sbi, type, true);
else if (type == CURSEG_WARM_NODE)
new_curseg(sbi, type, false);
else if (curseg->alloc_type == LFS && is_next_segment_free(sbi, type))
else if (!is_set_ckpt_flags(sbi, CP_CRC_RECOVERY_FLAG) &&
type == CURSEG_WARM_NODE)
new_curseg(sbi, type, false);
else if (need_SSR(sbi) && get_ssr_segment(sbi, type))
change_curseg(sbi, type, true);
else
new_curseg(sbi, type, false);
stat_inc_seg_type(sbi, curseg);
stat_inc_seg_type(sbi, CURSEG_I(sbi, type));
}
void allocate_new_segments(struct f2fs_sb_info *sbi)
@ -1424,9 +1605,6 @@ void allocate_new_segments(struct f2fs_sb_info *sbi)
unsigned int old_segno;
int i;
if (test_opt(sbi, LFS))
return;
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
curseg = CURSEG_I(sbi, i);
old_segno = curseg->segno;
@ -1439,6 +1617,24 @@ static const struct segment_allocation default_salloc_ops = {
.allocate_segment = allocate_segment_by_default,
};
bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
__u64 trim_start = cpc->trim_start;
bool has_candidate = false;
mutex_lock(&SIT_I(sbi)->sentry_lock);
for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++) {
if (add_discard_addrs(sbi, cpc, true)) {
has_candidate = true;
break;
}
}
mutex_unlock(&SIT_I(sbi)->sentry_lock);
cpc->trim_start = trim_start;
return has_candidate;
}
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
{
__u64 start = F2FS_BYTES_TO_BLK(range->start);
@ -1573,6 +1769,8 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
f2fs_wait_discard_bio(sbi, *new_blkaddr);
/*
* __add_sum_entry should be resided under the curseg_mutex
* because, this function updates a summary entry in the
@ -1584,14 +1782,15 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
stat_inc_block_count(sbi, curseg);
if (!__has_curseg_space(sbi, type))
sit_i->s_ops->allocate_segment(sbi, type, false);
/*
* SIT information should be updated before segment allocation,
* since SSR needs latest valid block information.
*/
refresh_sit_entry(sbi, old_blkaddr, *new_blkaddr);
if (!__has_curseg_space(sbi, type))
sit_i->s_ops->allocate_segment(sbi, type, false);
mutex_unlock(&sit_i->sentry_lock);
if (page && IS_NODESEG(type))
@ -1603,15 +1802,20 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
{
int type = __get_segment_type(fio->page, fio->type);
int err;
if (fio->type == NODE || fio->type == DATA)
mutex_lock(&fio->sbi->wio_mutex[fio->type]);
reallocate:
allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type);
/* writeout dirty page into bdev */
f2fs_submit_page_mbio(fio);
err = f2fs_submit_page_mbio(fio);
if (err == -EAGAIN) {
fio->old_blkaddr = fio->new_blkaddr;
goto reallocate;
}
if (fio->type == NODE || fio->type == DATA)
mutex_unlock(&fio->sbi->wio_mutex[fio->type]);
@ -1753,7 +1957,8 @@ void f2fs_wait_on_page_writeback(struct page *page,
if (PageWriteback(page)) {
struct f2fs_sb_info *sbi = F2FS_P_SB(page);
f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, type, WRITE);
f2fs_submit_merged_bio_cond(sbi, page->mapping->host,
0, page->index, type, WRITE);
if (ordered)
wait_on_page_writeback(page);
else
@ -2228,7 +2433,7 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
/* add discard candidates */
if (cpc->reason != CP_DISCARD) {
cpc->trim_start = segno;
add_discard_addrs(sbi, cpc);
add_discard_addrs(sbi, cpc, false);
}
if (to_journal) {
@ -2263,8 +2468,12 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_bug_on(sbi, sit_i->dirty_sentries);
out:
if (cpc->reason == CP_DISCARD) {
__u64 trim_start = cpc->trim_start;
for (; cpc->trim_start <= cpc->trim_end; cpc->trim_start++)
add_discard_addrs(sbi, cpc);
add_discard_addrs(sbi, cpc, false);
cpc->trim_start = trim_start;
}
mutex_unlock(&sit_i->sentry_lock);
@ -2276,7 +2485,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
struct sit_info *sit_i;
unsigned int sit_segs, start;
char *src_bitmap, *dst_bitmap;
char *src_bitmap;
unsigned int bitmap_size;
/* allocate memory for SIT information */
@ -2305,6 +2514,13 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
!sit_i->sentries[start].ckpt_valid_map)
return -ENOMEM;
#ifdef CONFIG_F2FS_CHECK_FS
sit_i->sentries[start].cur_valid_map_mir
= kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
if (!sit_i->sentries[start].cur_valid_map_mir)
return -ENOMEM;
#endif
if (f2fs_discard_en(sbi)) {
sit_i->sentries[start].discard_map
= kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
@ -2331,17 +2547,22 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
bitmap_size = __bitmap_size(sbi, SIT_BITMAP);
src_bitmap = __bitmap_ptr(sbi, SIT_BITMAP);
dst_bitmap = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
if (!dst_bitmap)
sit_i->sit_bitmap = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
if (!sit_i->sit_bitmap)
return -ENOMEM;
#ifdef CONFIG_F2FS_CHECK_FS
sit_i->sit_bitmap_mir = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
if (!sit_i->sit_bitmap_mir)
return -ENOMEM;
#endif
/* init SIT information */
sit_i->s_ops = &default_salloc_ops;
sit_i->sit_base_addr = le32_to_cpu(raw_super->sit_blkaddr);
sit_i->sit_blocks = sit_segs << sbi->log_blocks_per_seg;
sit_i->written_valid_blocks = 0;
sit_i->sit_bitmap = dst_bitmap;
sit_i->bitmap_size = bitmap_size;
sit_i->dirty_sentries = 0;
sit_i->sents_per_block = SIT_ENTRY_PER_BLOCK;
@ -2626,11 +2847,6 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
INIT_LIST_HEAD(&sm_info->discard_list);
INIT_LIST_HEAD(&sm_info->wait_list);
sm_info->nr_discards = 0;
sm_info->max_discards = 0;
sm_info->trim_sections = DEF_BATCHED_TRIM_SECTIONS;
INIT_LIST_HEAD(&sm_info->sit_entry_set);
@ -2641,6 +2857,10 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
return err;
}
err = create_discard_cmd_control(sbi);
if (err)
return err;
err = build_sit_info(sbi);
if (err)
return err;
@ -2734,6 +2954,9 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
if (sit_i->sentries) {
for (start = 0; start < MAIN_SEGS(sbi); start++) {
kfree(sit_i->sentries[start].cur_valid_map);
#ifdef CONFIG_F2FS_CHECK_FS
kfree(sit_i->sentries[start].cur_valid_map_mir);
#endif
kfree(sit_i->sentries[start].ckpt_valid_map);
kfree(sit_i->sentries[start].discard_map);
}
@ -2746,6 +2969,9 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
SM_I(sbi)->sit_info = NULL;
kfree(sit_i->sit_bitmap);
#ifdef CONFIG_F2FS_CHECK_FS
kfree(sit_i->sit_bitmap_mir);
#endif
kfree(sit_i);
}
@ -2756,6 +2982,7 @@ void destroy_segment_manager(struct f2fs_sb_info *sbi)
if (!sm_info)
return;
destroy_flush_cmd_control(sbi, true);
destroy_discard_cmd_control(sbi, true);
destroy_dirty_segmap(sbi);
destroy_curseg(sbi);
destroy_free_segmap(sbi);
@ -2771,15 +2998,15 @@ int __init create_segment_manager_caches(void)
if (!discard_entry_slab)
goto fail;
bio_entry_slab = f2fs_kmem_cache_create("bio_entry",
sizeof(struct bio_entry));
if (!bio_entry_slab)
discard_cmd_slab = f2fs_kmem_cache_create("discard_cmd",
sizeof(struct discard_cmd));
if (!discard_cmd_slab)
goto destroy_discard_entry;
sit_entry_set_slab = f2fs_kmem_cache_create("sit_entry_set",
sizeof(struct sit_entry_set));
if (!sit_entry_set_slab)
goto destroy_bio_entry;
goto destroy_discard_cmd;
inmem_entry_slab = f2fs_kmem_cache_create("inmem_page_entry",
sizeof(struct inmem_pages));
@ -2789,8 +3016,8 @@ int __init create_segment_manager_caches(void)
destroy_sit_entry_set:
kmem_cache_destroy(sit_entry_set_slab);
destroy_bio_entry:
kmem_cache_destroy(bio_entry_slab);
destroy_discard_cmd:
kmem_cache_destroy(discard_cmd_slab);
destroy_discard_entry:
kmem_cache_destroy(discard_entry_slab);
fail:
@ -2800,7 +3027,7 @@ fail:
void destroy_segment_manager_caches(void)
{
kmem_cache_destroy(sit_entry_set_slab);
kmem_cache_destroy(bio_entry_slab);
kmem_cache_destroy(discard_cmd_slab);
kmem_cache_destroy(discard_entry_slab);
kmem_cache_destroy(inmem_entry_slab);
}

40
fs/f2fs/segment.h
View File

@ -164,6 +164,9 @@ struct seg_entry {
unsigned int ckpt_valid_blocks:10; /* # of valid blocks last cp */
unsigned int padding:6; /* padding */
unsigned char *cur_valid_map; /* validity bitmap of blocks */
#ifdef CONFIG_F2FS_CHECK_FS
unsigned char *cur_valid_map_mir; /* mirror of current valid bitmap */
#endif
/*
* # of valid blocks and the validity bitmap stored in the the last
* checkpoint pack. This information is used by the SSR mode.
@ -186,9 +189,12 @@ struct segment_allocation {
* the page is atomically written, and it is in inmem_pages list.
*/
#define ATOMIC_WRITTEN_PAGE ((unsigned long)-1)
#define DUMMY_WRITTEN_PAGE ((unsigned long)-2)
#define IS_ATOMIC_WRITTEN_PAGE(page) \
(page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE)
#define IS_DUMMY_WRITTEN_PAGE(page) \
(page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE)
struct inmem_pages {
struct list_head list;
@ -203,6 +209,9 @@ struct sit_info {
block_t sit_blocks; /* # of blocks used by SIT area */
block_t written_valid_blocks; /* # of valid blocks in main area */
char *sit_bitmap; /* SIT bitmap pointer */
#ifdef CONFIG_F2FS_CHECK_FS
char *sit_bitmap_mir; /* SIT bitmap mirror */
#endif
unsigned int bitmap_size; /* SIT bitmap size */
unsigned long *tmp_map; /* bitmap for temporal use */
@ -317,6 +326,9 @@ static inline void seg_info_from_raw_sit(struct seg_entry *se,
se->ckpt_valid_blocks = GET_SIT_VBLOCKS(rs);
memcpy(se->cur_valid_map, rs->valid_map, SIT_VBLOCK_MAP_SIZE);
memcpy(se->ckpt_valid_map, rs->valid_map, SIT_VBLOCK_MAP_SIZE);
#ifdef CONFIG_F2FS_CHECK_FS
memcpy(se->cur_valid_map_mir, rs->valid_map, SIT_VBLOCK_MAP_SIZE);
#endif
se->type = GET_SIT_TYPE(rs);
se->mtime = le64_to_cpu(rs->mtime);
}
@ -414,6 +426,12 @@ static inline void get_sit_bitmap(struct f2fs_sb_info *sbi,
void *dst_addr)
{
struct sit_info *sit_i = SIT_I(sbi);
#ifdef CONFIG_F2FS_CHECK_FS
if (memcmp(sit_i->sit_bitmap, sit_i->sit_bitmap_mir,
sit_i->bitmap_size))
f2fs_bug_on(sbi, 1);
#endif
memcpy(dst_addr, sit_i->sit_bitmap, sit_i->bitmap_size);
}
@ -634,6 +652,12 @@ static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi,
check_seg_range(sbi, start);
#ifdef CONFIG_F2FS_CHECK_FS
if (f2fs_test_bit(offset, sit_i->sit_bitmap) !=
f2fs_test_bit(offset, sit_i->sit_bitmap_mir))
f2fs_bug_on(sbi, 1);
#endif
/* calculate sit block address */
if (f2fs_test_bit(offset, sit_i->sit_bitmap))
blk_addr += sit_i->sit_blocks;
@ -659,6 +683,9 @@ static inline void set_to_next_sit(struct sit_info *sit_i, unsigned int start)
unsigned int block_off = SIT_BLOCK_OFFSET(start);
f2fs_change_bit(block_off, sit_i->sit_bitmap);
#ifdef CONFIG_F2FS_CHECK_FS
f2fs_change_bit(block_off, sit_i->sit_bitmap_mir);
#endif
}
static inline unsigned long long get_mtime(struct f2fs_sb_info *sbi)
@ -689,6 +716,15 @@ static inline block_t sum_blk_addr(struct f2fs_sb_info *sbi, int base, int type)
- (base + 1) + type;
}
static inline bool no_fggc_candidate(struct f2fs_sb_info *sbi,
unsigned int secno)
{
if (get_valid_blocks(sbi, secno, sbi->segs_per_sec) >=
sbi->fggc_threshold)
return true;
return false;
}
static inline bool sec_usage_check(struct f2fs_sb_info *sbi, unsigned int secno)
{
if (IS_CURSEC(sbi, secno) || (sbi->cur_victim_sec == secno))
@ -700,8 +736,8 @@ static inline bool sec_usage_check(struct f2fs_sb_info *sbi, unsigned int secno)
* It is very important to gather dirty pages and write at once, so that we can
* submit a big bio without interfering other data writes.
* By default, 512 pages for directory data,
* 512 pages (2MB) * 3 for three types of nodes, and
* max_bio_blocks for meta are set.
* 512 pages (2MB) * 8 for nodes, and
* 256 pages * 8 for meta are set.
*/
static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
{

138
fs/f2fs/super.c
View File

@ -89,6 +89,7 @@ enum {
Opt_active_logs,
Opt_disable_ext_identify,
Opt_inline_xattr,
Opt_noinline_xattr,
Opt_inline_data,
Opt_inline_dentry,
Opt_noinline_dentry,
@ -101,6 +102,7 @@ enum {
Opt_noinline_data,
Opt_data_flush,
Opt_mode,
Opt_io_size_bits,
Opt_fault_injection,
Opt_lazytime,
Opt_nolazytime,
@ -121,6 +123,7 @@ static match_table_t f2fs_tokens = {
{Opt_active_logs, "active_logs=%u"},
{Opt_disable_ext_identify, "disable_ext_identify"},
{Opt_inline_xattr, "inline_xattr"},
{Opt_noinline_xattr, "noinline_xattr"},
{Opt_inline_data, "inline_data"},
{Opt_inline_dentry, "inline_dentry"},
{Opt_noinline_dentry, "noinline_dentry"},
@ -133,6 +136,7 @@ static match_table_t f2fs_tokens = {
{Opt_noinline_data, "noinline_data"},
{Opt_data_flush, "data_flush"},
{Opt_mode, "mode=%s"},
{Opt_io_size_bits, "io_bits=%u"},
{Opt_fault_injection, "fault_injection=%u"},
{Opt_lazytime, "lazytime"},
{Opt_nolazytime, "nolazytime"},
@ -143,6 +147,7 @@ static match_table_t f2fs_tokens = {
enum {
GC_THREAD, /* struct f2fs_gc_thread */
SM_INFO, /* struct f2fs_sm_info */
DCC_INFO, /* struct discard_cmd_control */
NM_INFO, /* struct f2fs_nm_info */
F2FS_SBI, /* struct f2fs_sb_info */
#ifdef CONFIG_F2FS_FAULT_INJECTION
@ -166,6 +171,8 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
return (unsigned char *)sbi->gc_thread;
else if (struct_type == SM_INFO)
return (unsigned char *)SM_I(sbi);
else if (struct_type == DCC_INFO)
return (unsigned char *)SM_I(sbi)->dcc_info;
else if (struct_type == NM_INFO)
return (unsigned char *)NM_I(sbi);
else if (struct_type == F2FS_SBI)
@ -281,7 +288,7 @@ F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_max_sleep_time, max_sleep_time);
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time);
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_idle, gc_idle);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, max_small_discards, max_discards);
F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
@ -439,6 +446,9 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_inline_xattr:
set_opt(sbi, INLINE_XATTR);
break;
case Opt_noinline_xattr:
clear_opt(sbi, INLINE_XATTR);
break;
#else
case Opt_user_xattr:
f2fs_msg(sb, KERN_INFO,
@ -452,6 +462,10 @@ static int parse_options(struct super_block *sb, char *options)
f2fs_msg(sb, KERN_INFO,
"inline_xattr options not supported");
break;
case Opt_noinline_xattr:
f2fs_msg(sb, KERN_INFO,
"noinline_xattr options not supported");
break;
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
case Opt_acl:
@ -535,11 +549,23 @@ static int parse_options(struct super_block *sb, char *options)
}
kfree(name);
break;
case Opt_io_size_bits:
if (args->from && match_int(args, &arg))
return -EINVAL;
if (arg > __ilog2_u32(BIO_MAX_PAGES)) {
f2fs_msg(sb, KERN_WARNING,
"Not support %d, larger than %d",
1 << arg, BIO_MAX_PAGES);
return -EINVAL;
}
sbi->write_io_size_bits = arg;
break;
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
return -EINVAL;
#ifdef CONFIG_F2FS_FAULT_INJECTION
f2fs_build_fault_attr(sbi, arg);
set_opt(sbi, FAULT_INJECTION);
#else
f2fs_msg(sb, KERN_INFO,
"FAULT_INJECTION was not selected");
@ -558,6 +584,13 @@ static int parse_options(struct super_block *sb, char *options)
return -EINVAL;
}
}
if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {
f2fs_msg(sb, KERN_ERR,
"Should set mode=lfs with %uKB-sized IO",
F2FS_IO_SIZE_KB(sbi));
return -EINVAL;
}
return 0;
}
@ -591,6 +624,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
static int f2fs_drop_inode(struct inode *inode)
{
int ret;
/*
* This is to avoid a deadlock condition like below.
* writeback_single_inode(inode)
@ -623,10 +657,12 @@ static int f2fs_drop_inode(struct inode *inode)
spin_lock(&inode->i_lock);
atomic_dec(&inode->i_count);
}
trace_f2fs_drop_inode(inode, 0);
return 0;
}
return generic_drop_inode(inode);
ret = generic_drop_inode(inode);
trace_f2fs_drop_inode(inode, ret);
return ret;
}
int f2fs_inode_dirtied(struct inode *inode, bool sync)
@ -750,6 +786,9 @@ static void f2fs_put_super(struct super_block *sb)
write_checkpoint(sbi, &cpc);
}
/* be sure to wait for any on-going discard commands */
f2fs_wait_discard_bio(sbi, NULL_ADDR);
/* write_checkpoint can update stat informaion */
f2fs_destroy_stats(sbi);
@ -782,7 +821,7 @@ static void f2fs_put_super(struct super_block *sb)
kfree(sbi->raw_super);
destroy_device_list(sbi);
mempool_destroy(sbi->write_io_dummy);
destroy_percpu_info(sbi);
kfree(sbi);
}
@ -882,6 +921,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",nouser_xattr");
if (test_opt(sbi, INLINE_XATTR))
seq_puts(seq, ",inline_xattr");
else
seq_puts(seq, ",noinline_xattr");
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
if (test_opt(sbi, POSIX_ACL))
@ -918,6 +959,12 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
else if (test_opt(sbi, LFS))
seq_puts(seq, "lfs");
seq_printf(seq, ",active_logs=%u", sbi->active_logs);
if (F2FS_IO_SIZE_BITS(sbi))
seq_printf(seq, ",io_size=%uKB", F2FS_IO_SIZE_KB(sbi));
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (test_opt(sbi, FAULT_INJECTION))
seq_puts(seq, ",fault_injection");
#endif
return 0;
}
@ -995,6 +1042,7 @@ static void default_options(struct f2fs_sb_info *sbi)
sbi->active_logs = NR_CURSEG_TYPE;
set_opt(sbi, BG_GC);
set_opt(sbi, INLINE_XATTR);
set_opt(sbi, INLINE_DATA);
set_opt(sbi, INLINE_DENTRY);
set_opt(sbi, EXTENT_CACHE);
@ -1686,36 +1734,55 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
unsigned int max_devices = MAX_DEVICES;
int i;
for (i = 0; i < MAX_DEVICES; i++) {
if (!RDEV(i).path[0])
/* Initialize single device information */
if (!RDEV(0).path[0]) {
if (!bdev_is_zoned(sbi->sb->s_bdev))
return 0;
max_devices = 1;
}
if (i == 0) {
sbi->devs = kzalloc(sizeof(struct f2fs_dev_info) *
MAX_DEVICES, GFP_KERNEL);
if (!sbi->devs)
return -ENOMEM;
}
/*
* Initialize multiple devices information, or single
* zoned block device information.
*/
sbi->devs = kcalloc(max_devices, sizeof(struct f2fs_dev_info),
GFP_KERNEL);
if (!sbi->devs)
return -ENOMEM;
memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN);
FDEV(i).total_segments = le32_to_cpu(RDEV(i).total_segments);
if (i == 0) {
FDEV(i).start_blk = 0;
FDEV(i).end_blk = FDEV(i).start_blk +
(FDEV(i).total_segments <<
sbi->log_blocks_per_seg) - 1 +
le32_to_cpu(raw_super->segment0_blkaddr);
} else {
FDEV(i).start_blk = FDEV(i - 1).end_blk + 1;
FDEV(i).end_blk = FDEV(i).start_blk +
(FDEV(i).total_segments <<
sbi->log_blocks_per_seg) - 1;
}
for (i = 0; i < max_devices; i++) {
FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path,
if (i > 0 && !RDEV(i).path[0])
break;
if (max_devices == 1) {
/* Single zoned block device mount */
FDEV(0).bdev =
blkdev_get_by_dev(sbi->sb->s_bdev->bd_dev,
sbi->sb->s_mode, sbi->sb->s_type);
} else {
/* Multi-device mount */
memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN);
FDEV(i).total_segments =
le32_to_cpu(RDEV(i).total_segments);
if (i == 0) {
FDEV(i).start_blk = 0;
FDEV(i).end_blk = FDEV(i).start_blk +
(FDEV(i).total_segments <<
sbi->log_blocks_per_seg) - 1 +
le32_to_cpu(raw_super->segment0_blkaddr);
} else {
FDEV(i).start_blk = FDEV(i - 1).end_blk + 1;
FDEV(i).end_blk = FDEV(i).start_blk +
(FDEV(i).total_segments <<
sbi->log_blocks_per_seg) - 1;
}
FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path,
sbi->sb->s_mode, sbi->sb->s_type);
}
if (IS_ERR(FDEV(i).bdev))
return PTR_ERR(FDEV(i).bdev);
@ -1735,6 +1802,8 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
"Failed to initialize F2FS blkzone information");
return -EINVAL;
}
if (max_devices == 1)
break;
f2fs_msg(sbi->sb, KERN_INFO,
"Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
i, FDEV(i).path,
@ -1751,6 +1820,8 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
FDEV(i).total_segments,
FDEV(i).start_blk, FDEV(i).end_blk);
}
f2fs_msg(sbi->sb, KERN_INFO,
"IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi));
return 0;
}
@ -1868,12 +1939,19 @@ try_onemore:
if (err)
goto free_options;
if (F2FS_IO_SIZE(sbi) > 1) {
sbi->write_io_dummy =
mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
if (!sbi->write_io_dummy)
goto free_options;
}
/* get an inode for meta space */
sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
if (IS_ERR(sbi->meta_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
err = PTR_ERR(sbi->meta_inode);
goto free_options;
goto free_io_dummy;
}
err = get_valid_checkpoint(sbi);
@ -2048,6 +2126,8 @@ skip_recovery:
sbi->valid_super_block ? 1 : 2, err);
}
f2fs_msg(sbi->sb, KERN_NOTICE, "Mounted with checkpoint version = %llx",
cur_cp_version(F2FS_CKPT(sbi)));
f2fs_update_time(sbi, CP_TIME);
f2fs_update_time(sbi, REQ_TIME);
return 0;
@ -2091,6 +2171,8 @@ free_devices:
free_meta_inode:
make_bad_inode(sbi->meta_inode);
iput(sbi->meta_inode);
free_io_dummy:
mempool_destroy(sbi->write_io_dummy);
free_options:
destroy_percpu_info(sbi);
kfree(options);

151
fs/f2fs/xattr.c
View File

@ -217,6 +217,112 @@ static struct f2fs_xattr_entry *__find_xattr(void *base_addr, int index,
return entry;
}
static struct f2fs_xattr_entry *__find_inline_xattr(void *base_addr,
void **last_addr, int index,
size_t len, const char *name)
{
struct f2fs_xattr_entry *entry;
unsigned int inline_size = F2FS_INLINE_XATTR_ADDRS << 2;
list_for_each_xattr(entry, base_addr) {
if ((void *)entry + sizeof(__u32) > base_addr + inline_size ||
(void *)XATTR_NEXT_ENTRY(entry) + sizeof(__u32) >
base_addr + inline_size) {
*last_addr = entry;
return NULL;
}
if (entry->e_name_index != index)
continue;
if (entry->e_name_len != len)
continue;
if (!memcmp(entry->e_name, name, len))
break;
}
return entry;
}
static int lookup_all_xattrs(struct inode *inode, struct page *ipage,
unsigned int index, unsigned int len,
const char *name, struct f2fs_xattr_entry **xe,
void **base_addr)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
void *cur_addr, *txattr_addr, *last_addr = NULL;
nid_t xnid = F2FS_I(inode)->i_xattr_nid;
unsigned int size = xnid ? VALID_XATTR_BLOCK_SIZE : 0;
unsigned int inline_size = 0;
int err = 0;
inline_size = inline_xattr_size(inode);
if (!size && !inline_size)
return -ENODATA;
txattr_addr = kzalloc(inline_size + size + sizeof(__u32),
GFP_F2FS_ZERO);
if (!txattr_addr)
return -ENOMEM;
/* read from inline xattr */
if (inline_size) {
struct page *page = NULL;
void *inline_addr;
if (ipage) {
inline_addr = inline_xattr_addr(ipage);
} else {
page = get_node_page(sbi, inode->i_ino);
if (IS_ERR(page)) {
err = PTR_ERR(page);
goto out;
}
inline_addr = inline_xattr_addr(page);
}
memcpy(txattr_addr, inline_addr, inline_size);
f2fs_put_page(page, 1);
*xe = __find_inline_xattr(txattr_addr, &last_addr,
index, len, name);
if (*xe)
goto check;
}
/* read from xattr node block */
if (xnid) {
struct page *xpage;
void *xattr_addr;
/* The inode already has an extended attribute block. */
xpage = get_node_page(sbi, xnid);
if (IS_ERR(xpage)) {
err = PTR_ERR(xpage);
goto out;
}
xattr_addr = page_address(xpage);
memcpy(txattr_addr + inline_size, xattr_addr, size);
f2fs_put_page(xpage, 1);
}
if (last_addr)
cur_addr = XATTR_HDR(last_addr) - 1;
else
cur_addr = txattr_addr;
*xe = __find_xattr(cur_addr, index, len, name);
check:
if (IS_XATTR_LAST_ENTRY(*xe)) {
err = -ENODATA;
goto out;
}
*base_addr = txattr_addr;
return 0;
out:
kzfree(txattr_addr);
return err;
}
static int read_all_xattrs(struct inode *inode, struct page *ipage,
void **base_addr)
{
@ -348,23 +454,20 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
}
xattr_addr = page_address(xpage);
memcpy(xattr_addr, txattr_addr + inline_size, PAGE_SIZE -
sizeof(struct node_footer));
memcpy(xattr_addr, txattr_addr + inline_size, MAX_XATTR_BLOCK_SIZE);
set_page_dirty(xpage);
f2fs_put_page(xpage, 1);
/* need to checkpoint during fsync */
F2FS_I(inode)->xattr_ver = cur_cp_version(F2FS_CKPT(sbi));
return 0;
}
int f2fs_getxattr(struct inode *inode, int index, const char *name,
void *buffer, size_t buffer_size, struct page *ipage)
{
struct f2fs_xattr_entry *entry;
void *base_addr;
struct f2fs_xattr_entry *entry = NULL;
int error = 0;
size_t size, len;
unsigned int size, len;
void *base_addr = NULL;
if (name == NULL)
return -EINVAL;
@ -373,21 +476,16 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name,
if (len > F2FS_NAME_LEN)
return -ERANGE;
error = read_all_xattrs(inode, ipage, &base_addr);
error = lookup_all_xattrs(inode, ipage, index, len, name,
&entry, &base_addr);
if (error)
return error;
entry = __find_xattr(base_addr, index, len, name);
if (IS_XATTR_LAST_ENTRY(entry)) {
error = -ENODATA;
goto cleanup;
}
size = le16_to_cpu(entry->e_value_size);
if (buffer && size > buffer_size) {
error = -ERANGE;
goto cleanup;
goto out;
}
if (buffer) {
@ -395,8 +493,7 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name,
memcpy(buffer, pval, size);
}
error = size;
cleanup:
out:
kzfree(base_addr);
return error;
}
@ -445,6 +542,13 @@ cleanup:
return error;
}
static bool f2fs_xattr_value_same(struct f2fs_xattr_entry *entry,
const void *value, size_t size)
{
void *pval = entry->e_name + entry->e_name_len;
return (entry->e_value_size == size) && !memcmp(pval, value, size);
}
static int __f2fs_setxattr(struct inode *inode, int index,
const char *name, const void *value, size_t size,
struct page *ipage, int flags)
@ -479,12 +583,17 @@ static int __f2fs_setxattr(struct inode *inode, int index,
found = IS_XATTR_LAST_ENTRY(here) ? 0 : 1;
if ((flags & XATTR_REPLACE) && !found) {
if (found) {
if ((flags & XATTR_CREATE)) {
error = -EEXIST;
goto exit;
}
if (f2fs_xattr_value_same(here, value, size))
goto exit;
} else if ((flags & XATTR_REPLACE)) {
error = -ENODATA;
goto exit;
} else if ((flags & XATTR_CREATE) && found) {
error = -EEXIST;
goto exit;
}
last = here;

7
fs/f2fs/xattr.h
View File

@ -72,9 +72,10 @@ struct f2fs_xattr_entry {
for (entry = XATTR_FIRST_ENTRY(addr);\
!IS_XATTR_LAST_ENTRY(entry);\
entry = XATTR_NEXT_ENTRY(entry))
#define MIN_OFFSET(i) XATTR_ALIGN(inline_xattr_size(i) + PAGE_SIZE - \
sizeof(struct node_footer) - sizeof(__u32))
#define MAX_XATTR_BLOCK_SIZE (PAGE_SIZE - sizeof(struct node_footer))
#define VALID_XATTR_BLOCK_SIZE (MAX_XATTR_BLOCK_SIZE - sizeof(__u32))
#define MIN_OFFSET(i) XATTR_ALIGN(inline_xattr_size(i) + \
VALID_XATTR_BLOCK_SIZE)
#define MAX_VALUE_LEN(i) (MIN_OFFSET(i) - \
sizeof(struct f2fs_xattr_header) - \

8
include/linux/f2fs_fs.h
View File

@ -36,6 +36,12 @@
#define F2FS_NODE_INO(sbi) (sbi->node_ino_num)
#define F2FS_META_INO(sbi) (sbi->meta_ino_num)
#define F2FS_IO_SIZE(sbi) (1 << (sbi)->write_io_size_bits) /* Blocks */
#define F2FS_IO_SIZE_KB(sbi) (1 << ((sbi)->write_io_size_bits + 2)) /* KB */
#define F2FS_IO_SIZE_BYTES(sbi) (1 << ((sbi)->write_io_size_bits + 12)) /* B */
#define F2FS_IO_SIZE_BITS(sbi) ((sbi)->write_io_size_bits) /* power of 2 */
#define F2FS_IO_SIZE_MASK(sbi) (F2FS_IO_SIZE(sbi) - 1)
/* This flag is used by node and meta inodes, and by recovery */
#define GFP_F2FS_ZERO (GFP_NOFS | __GFP_ZERO)
#define GFP_F2FS_HIGH_ZERO (GFP_NOFS | __GFP_ZERO | __GFP_HIGHMEM)
@ -108,6 +114,7 @@ struct f2fs_super_block {
/*
* For checkpoint
*/
#define CP_NAT_BITS_FLAG 0x00000080
#define CP_CRC_RECOVERY_FLAG 0x00000040
#define CP_FASTBOOT_FLAG 0x00000020
#define CP_FSCK_FLAG 0x00000010
@ -272,6 +279,7 @@ struct f2fs_node {
* For NAT entries
*/
#define NAT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_nat_entry))
#define NAT_ENTRY_BITMAP_SIZE ((NAT_ENTRY_PER_BLOCK + 7) / 8)
struct f2fs_nat_entry {
__u8 version; /* latest version of cached nat entry */

149
include/trace/events/f2fs.h
View File

@ -6,8 +6,8 @@
#include <linux/tracepoint.h>
#define show_dev(entry) MAJOR(entry->dev), MINOR(entry->dev)
#define show_dev_ino(entry) show_dev(entry), (unsigned long)entry->ino
#define show_dev(dev) MAJOR(dev), MINOR(dev)
#define show_dev_ino(entry) show_dev(entry->dev), (unsigned long)entry->ino
TRACE_DEFINE_ENUM(NODE);
TRACE_DEFINE_ENUM(DATA);
@ -55,25 +55,35 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
{ IPU, "IN-PLACE" }, \
{ OPU, "OUT-OF-PLACE" })
#define F2FS_BIO_FLAG_MASK(t) (t & (REQ_RAHEAD | REQ_PREFLUSH | REQ_FUA))
#define F2FS_BIO_EXTRA_MASK(t) (t & (REQ_META | REQ_PRIO))
#define F2FS_OP_FLAGS (REQ_RAHEAD | REQ_SYNC | REQ_PREFLUSH | REQ_META |\
REQ_PRIO)
#define F2FS_BIO_FLAG_MASK(t) (t & F2FS_OP_FLAGS)
#define show_bio_type(op_flags) show_bio_op_flags(op_flags), \
show_bio_extra(op_flags)
#define show_bio_type(op,op_flags) show_bio_op(op), \
show_bio_op_flags(op_flags)
#define show_bio_op(op) \
__print_symbolic(op, \
{ REQ_OP_READ, "READ" }, \
{ REQ_OP_WRITE, "WRITE" }, \
{ REQ_OP_FLUSH, "FLUSH" }, \
{ REQ_OP_DISCARD, "DISCARD" }, \
{ REQ_OP_ZONE_REPORT, "ZONE_REPORT" }, \
{ REQ_OP_SECURE_ERASE, "SECURE_ERASE" }, \
{ REQ_OP_ZONE_RESET, "ZONE_RESET" }, \
{ REQ_OP_WRITE_SAME, "WRITE_SAME" }, \
{ REQ_OP_WRITE_ZEROES, "WRITE_ZEROES" })
#define show_bio_op_flags(flags) \
__print_symbolic(F2FS_BIO_FLAG_MASK(flags), \
{ 0, "WRITE" }, \
{ REQ_RAHEAD, "READAHEAD" }, \
{ REQ_SYNC, "REQ_SYNC" }, \
{ REQ_PREFLUSH, "REQ_PREFLUSH" }, \
{ REQ_FUA, "REQ_FUA" })
#define show_bio_extra(type) \
__print_symbolic(F2FS_BIO_EXTRA_MASK(type), \
{ REQ_RAHEAD, "(RA)" }, \
{ REQ_SYNC, "(S)" }, \
{ REQ_SYNC | REQ_PRIO, "(SP)" }, \
{ REQ_META, "(M)" }, \
{ REQ_PRIO, "(P)" }, \
{ REQ_META | REQ_PRIO, "(MP)" }, \
{ REQ_SYNC | REQ_PREFLUSH , "(SF)" }, \
{ REQ_SYNC | REQ_META | REQ_PRIO, "(SMP)" }, \
{ REQ_PREFLUSH | REQ_META | REQ_PRIO, "(FMP)" }, \
{ 0, " \b" })
#define show_data_type(type) \
@ -235,7 +245,7 @@ TRACE_EVENT(f2fs_sync_fs,
),
TP_printk("dev = (%d,%d), superblock is %s, wait = %d",
show_dev(__entry),
show_dev(__entry->dev),
__entry->dirty ? "dirty" : "not dirty",
__entry->wait)
);
@ -305,6 +315,13 @@ DEFINE_EVENT(f2fs__inode_exit, f2fs_unlink_exit,
TP_ARGS(inode, ret)
);
DEFINE_EVENT(f2fs__inode_exit, f2fs_drop_inode,
TP_PROTO(struct inode *inode, int ret),
TP_ARGS(inode, ret)
);
DEFINE_EVENT(f2fs__inode, f2fs_truncate,
TP_PROTO(struct inode *inode),
@ -534,7 +551,7 @@ TRACE_EVENT(f2fs_background_gc,
),
TP_printk("dev = (%d,%d), wait_ms = %ld, prefree = %u, free = %u",
show_dev(__entry),
show_dev(__entry->dev),
__entry->wait_ms,
__entry->prefree,
__entry->free)
@ -555,6 +572,7 @@ TRACE_EVENT(f2fs_get_victim,
__field(int, alloc_mode)
__field(int, gc_mode)
__field(unsigned int, victim)
__field(unsigned int, cost)
__field(unsigned int, ofs_unit)
__field(unsigned int, pre_victim)
__field(unsigned int, prefree)
@ -568,20 +586,23 @@ TRACE_EVENT(f2fs_get_victim,
__entry->alloc_mode = p->alloc_mode;
__entry->gc_mode = p->gc_mode;
__entry->victim = p->min_segno;
__entry->cost = p->min_cost;
__entry->ofs_unit = p->ofs_unit;
__entry->pre_victim = pre_victim;
__entry->prefree = prefree;
__entry->free = free;
),
TP_printk("dev = (%d,%d), type = %s, policy = (%s, %s, %s), victim = %u "
"ofs_unit = %u, pre_victim_secno = %d, prefree = %u, free = %u",
show_dev(__entry),
TP_printk("dev = (%d,%d), type = %s, policy = (%s, %s, %s), "
"victim = %u, cost = %u, ofs_unit = %u, "
"pre_victim_secno = %d, prefree = %u, free = %u",
show_dev(__entry->dev),
show_data_type(__entry->type),
show_gc_type(__entry->gc_type),
show_alloc_mode(__entry->alloc_mode),
show_victim_policy(__entry->gc_mode),
__entry->victim,
__entry->cost,
__entry->ofs_unit,
(int)__entry->pre_victim,
__entry->prefree,
@ -713,7 +734,7 @@ TRACE_EVENT(f2fs_reserve_new_blocks,
),
TP_printk("dev = (%d,%d), nid = %u, ofs_in_node = %u, count = %llu",
show_dev(__entry),
show_dev(__entry->dev),
(unsigned int)__entry->nid,
__entry->ofs_in_node,
(unsigned long long)__entry->count)
@ -753,7 +774,7 @@ DECLARE_EVENT_CLASS(f2fs__submit_page_bio,
(unsigned long)__entry->index,
(unsigned long long)__entry->old_blkaddr,
(unsigned long long)__entry->new_blkaddr,
show_bio_type(__entry->op_flags),
show_bio_type(__entry->op, __entry->op_flags),
show_block_type(__entry->type))
);
@ -775,15 +796,15 @@ DEFINE_EVENT_CONDITION(f2fs__submit_page_bio, f2fs_submit_page_mbio,
TP_CONDITION(page->mapping)
);
DECLARE_EVENT_CLASS(f2fs__submit_bio,
DECLARE_EVENT_CLASS(f2fs__bio,
TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
struct bio *bio),
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, fio, bio),
TP_ARGS(sb, type, bio),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(dev_t, target)
__field(int, op)
__field(int, op_flags)
__field(int, type)
@ -793,37 +814,55 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio,
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->op = fio->op;
__entry->op_flags = fio->op_flags;
__entry->type = fio->type;
__entry->target = bio->bi_bdev->bd_dev;
__entry->op = bio_op(bio);
__entry->op_flags = bio->bi_opf;
__entry->type = type;
__entry->sector = bio->bi_iter.bi_sector;
__entry->size = bio->bi_iter.bi_size;
),
TP_printk("dev = (%d,%d), rw = %s%s, %s, sector = %lld, size = %u",
show_dev(__entry),
show_bio_type(__entry->op_flags),
TP_printk("dev = (%d,%d)/(%d,%d), rw = %s%s, %s, sector = %lld, size = %u",
show_dev(__entry->target),
show_dev(__entry->dev),
show_bio_type(__entry->op, __entry->op_flags),
show_block_type(__entry->type),
(unsigned long long)__entry->sector,
__entry->size)
);
DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_write_bio,
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_prepare_write_bio,
TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
struct bio *bio),
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, fio, bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
DEFINE_EVENT_CONDITION(f2fs__submit_bio, f2fs_submit_read_bio,
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_prepare_read_bio,
TP_PROTO(struct super_block *sb, struct f2fs_io_info *fio,
struct bio *bio),
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, fio, bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_submit_read_bio,
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
DEFINE_EVENT_CONDITION(f2fs__bio, f2fs_submit_write_bio,
TP_PROTO(struct super_block *sb, int type, struct bio *bio),
TP_ARGS(sb, type, bio),
TP_CONDITION(bio)
);
@ -1082,16 +1121,16 @@ TRACE_EVENT(f2fs_write_checkpoint,
),
TP_printk("dev = (%d,%d), checkpoint for %s, state = %s",
show_dev(__entry),
show_dev(__entry->dev),
show_cpreason(__entry->reason),
__entry->msg)
);
TRACE_EVENT(f2fs_issue_discard,
TP_PROTO(struct super_block *sb, block_t blkstart, block_t blklen),
TP_PROTO(struct block_device *dev, block_t blkstart, block_t blklen),
TP_ARGS(sb, blkstart, blklen),
TP_ARGS(dev, blkstart, blklen),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -1100,22 +1139,22 @@ TRACE_EVENT(f2fs_issue_discard,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->dev = dev->bd_dev;
__entry->blkstart = blkstart;
__entry->blklen = blklen;
),
TP_printk("dev = (%d,%d), blkstart = 0x%llx, blklen = 0x%llx",
show_dev(__entry),
show_dev(__entry->dev),
(unsigned long long)__entry->blkstart,
(unsigned long long)__entry->blklen)
);
TRACE_EVENT(f2fs_issue_reset_zone,
TP_PROTO(struct super_block *sb, block_t blkstart),
TP_PROTO(struct block_device *dev, block_t blkstart),
TP_ARGS(sb, blkstart),
TP_ARGS(dev, blkstart),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -1123,21 +1162,21 @@ TRACE_EVENT(f2fs_issue_reset_zone,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->dev = dev->bd_dev;
__entry->blkstart = blkstart;
),
TP_printk("dev = (%d,%d), reset zone at block = 0x%llx",
show_dev(__entry),
show_dev(__entry->dev),
(unsigned long long)__entry->blkstart)
);
TRACE_EVENT(f2fs_issue_flush,
TP_PROTO(struct super_block *sb, unsigned int nobarrier,
TP_PROTO(struct block_device *dev, unsigned int nobarrier,
unsigned int flush_merge),
TP_ARGS(sb, nobarrier, flush_merge),
TP_ARGS(dev, nobarrier, flush_merge),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -1146,13 +1185,13 @@ TRACE_EVENT(f2fs_issue_flush,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->dev = dev->bd_dev;
__entry->nobarrier = nobarrier;
__entry->flush_merge = flush_merge;
),
TP_printk("dev = (%d,%d), %s %s",
show_dev(__entry),
show_dev(__entry->dev),
__entry->nobarrier ? "skip (nobarrier)" : "issue",
__entry->flush_merge ? " with flush_merge" : "")
);
@ -1267,7 +1306,7 @@ TRACE_EVENT(f2fs_shrink_extent_tree,
),
TP_printk("dev = (%d,%d), shrunk: node_cnt = %u, tree_cnt = %u",
show_dev(__entry),
show_dev(__entry->dev),
__entry->node_cnt,
__entry->tree_cnt)
);
@ -1314,7 +1353,7 @@ DECLARE_EVENT_CLASS(f2fs_sync_dirty_inodes,
),
TP_printk("dev = (%d,%d), %s, dirty count = %lld",
show_dev(__entry),
show_dev(__entry->dev),
show_file_type(__entry->type),
__entry->count)
);