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Merge branch 'for-5.18/alloc-cleanups' into for-5.18/write-streams

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* for-5.18/alloc-cleanups:
  nilfs2: pass the operation to bio_alloc
  ext4: pass the operation to bio_alloc
  mpage: pass the operation to bio_alloc
This commit is contained in:
Jens Axboe 2022-03-07 12:45:53 -07:00
commit 8291100963
3 changed files with 33 additions and 44 deletions
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7
fs/ext4/page-io.c
View File

@ -371,10 +371,9 @@ void ext4_io_submit(struct ext4_io_submit *io)
struct bio *bio = io->io_bio;
if (bio) {
int io_op_flags = io->io_wbc->sync_mode == WB_SYNC_ALL ?
REQ_SYNC : 0;
if (io->io_wbc->sync_mode == WB_SYNC_ALL)
io->io_bio->bi_opf |= REQ_SYNC;
io->io_bio->bi_write_hint = io->io_end->inode->i_write_hint;
bio_set_op_attrs(io->io_bio, REQ_OP_WRITE, io_op_flags);
submit_bio(io->io_bio);
}
io->io_bio = NULL;
@ -397,7 +396,7 @@ static void io_submit_init_bio(struct ext4_io_submit *io,
* bio_alloc will _always_ be able to allocate a bio if
* __GFP_DIRECT_RECLAIM is set, see comments for bio_alloc_bioset().
*/
bio = bio_alloc(bh->b_bdev, BIO_MAX_VECS, 0, GFP_NOIO);
bio = bio_alloc(bh->b_bdev, BIO_MAX_VECS, REQ_OP_WRITE, GFP_NOIO);
fscrypt_set_bio_crypt_ctx_bh(bio, bh, GFP_NOIO);
bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9);
bio->bi_end_io = ext4_end_bio;

50
fs/mpage.c
View File

@ -57,10 +57,9 @@ static void mpage_end_io(struct bio *bio)
bio_put(bio);
}
static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio)
static struct bio *mpage_bio_submit(struct bio *bio)
{
bio->bi_end_io = mpage_end_io;
bio_set_op_attrs(bio, op, op_flags);
guard_bio_eod(bio);
submit_bio(bio);
return NULL;
@ -146,16 +145,15 @@ static struct bio *do_mpage_readpage(struct mpage_readpage_args *args)
struct block_device *bdev = NULL;
int length;
int fully_mapped = 1;
int op_flags;
int op = REQ_OP_READ;
unsigned nblocks;
unsigned relative_block;
gfp_t gfp;
if (args->is_readahead) {
op_flags = REQ_RAHEAD;
op |= REQ_RAHEAD;
gfp = readahead_gfp_mask(page->mapping);
} else {
op_flags = 0;
gfp = mapping_gfp_constraint(page->mapping, GFP_KERNEL);
}
@ -264,7 +262,7 @@ static struct bio *do_mpage_readpage(struct mpage_readpage_args *args)
* This page will go to BIO. Do we need to send this BIO off first?
*/
if (args->bio && (args->last_block_in_bio != blocks[0] - 1))
args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);
args->bio = mpage_bio_submit(args->bio);
alloc_new:
if (args->bio == NULL) {
@ -273,7 +271,7 @@ alloc_new:
page))
goto out;
}
args->bio = bio_alloc(bdev, bio_max_segs(args->nr_pages), 0,
args->bio = bio_alloc(bdev, bio_max_segs(args->nr_pages), op,
gfp);
if (args->bio == NULL)
goto confused;
@ -282,7 +280,7 @@ alloc_new:
length = first_hole << blkbits;
if (bio_add_page(args->bio, page, length, 0) < length) {
args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);
args->bio = mpage_bio_submit(args->bio);
goto alloc_new;
}
@ -290,7 +288,7 @@ alloc_new:
nblocks = map_bh->b_size >> blkbits;
if ((buffer_boundary(map_bh) && relative_block == nblocks) ||
(first_hole != blocks_per_page))
args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);
args->bio = mpage_bio_submit(args->bio);
else
args->last_block_in_bio = blocks[blocks_per_page - 1];
out:
@ -298,7 +296,7 @@ out:
confused:
if (args->bio)
args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);
args->bio = mpage_bio_submit(args->bio);
if (!PageUptodate(page))
block_read_full_page(page, args->get_block);
else
@ -361,7 +359,7 @@ void mpage_readahead(struct readahead_control *rac, get_block_t get_block)
put_page(page);
}
if (args.bio)
mpage_bio_submit(REQ_OP_READ, REQ_RAHEAD, args.bio);
mpage_bio_submit(args.bio);
}
EXPORT_SYMBOL(mpage_readahead);
@ -378,7 +376,7 @@ int mpage_readpage(struct page *page, get_block_t get_block)
args.bio = do_mpage_readpage(&args);
if (args.bio)
mpage_bio_submit(REQ_OP_READ, 0, args.bio);
mpage_bio_submit(args.bio);
return 0;
}
EXPORT_SYMBOL(mpage_readpage);
@ -469,7 +467,6 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
struct buffer_head map_bh;
loff_t i_size = i_size_read(inode);
int ret = 0;
int op_flags = wbc_to_write_flags(wbc);
if (page_has_buffers(page)) {
struct buffer_head *head = page_buffers(page);
@ -577,7 +574,7 @@ page_is_mapped:
* This page will go to BIO. Do we need to send this BIO off first?
*/
if (bio && mpd->last_block_in_bio != blocks[0] - 1)
bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio);
bio = mpage_bio_submit(bio);
alloc_new:
if (bio == NULL) {
@ -586,9 +583,10 @@ alloc_new:
page, wbc))
goto out;
}
bio = bio_alloc(bdev, BIO_MAX_VECS, 0, GFP_NOFS);
bio = bio_alloc(bdev, BIO_MAX_VECS,
REQ_OP_WRITE | wbc_to_write_flags(wbc),
GFP_NOFS);
bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9);
wbc_init_bio(wbc, bio);
bio->bi_write_hint = inode->i_write_hint;
}
@ -601,7 +599,7 @@ alloc_new:
wbc_account_cgroup_owner(wbc, page, PAGE_SIZE);
length = first_unmapped << blkbits;
if (bio_add_page(bio, page, length, 0) < length) {
bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio);
bio = mpage_bio_submit(bio);
goto alloc_new;
}
@ -611,7 +609,7 @@ alloc_new:
set_page_writeback(page);
unlock_page(page);
if (boundary || (first_unmapped != blocks_per_page)) {
bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio);
bio = mpage_bio_submit(bio);
if (boundary_block) {
write_boundary_block(boundary_bdev,
boundary_block, 1 << blkbits);
@ -623,7 +621,7 @@ alloc_new:
confused:
if (bio)
bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio);
bio = mpage_bio_submit(bio);
if (mpd->use_writepage) {
ret = mapping->a_ops->writepage(page, wbc);
@ -679,11 +677,8 @@ mpage_writepages(struct address_space *mapping,
};
ret = write_cache_pages(mapping, wbc, __mpage_writepage, &mpd);
if (mpd.bio) {
int op_flags = (wbc->sync_mode == WB_SYNC_ALL ?
REQ_SYNC : 0);
mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio);
}
if (mpd.bio)
mpage_bio_submit(mpd.bio);
}
blk_finish_plug(&plug);
return ret;
@ -700,11 +695,8 @@ int mpage_writepage(struct page *page, get_block_t get_block,
.use_writepage = 0,
};
int ret = __mpage_writepage(page, wbc, &mpd);
if (mpd.bio) {
int op_flags = (wbc->sync_mode == WB_SYNC_ALL ?
REQ_SYNC : 0);
mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio);
}
if (mpd.bio)
mpage_bio_submit(mpd.bio);
return ret;
}
EXPORT_SYMBOL(mpage_writepage);

20
fs/nilfs2/segbuf.c
View File

@ -337,8 +337,7 @@ static void nilfs_end_bio_write(struct bio *bio)
}
static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
struct nilfs_write_info *wi, int mode,
int mode_flags)
struct nilfs_write_info *wi)
{
struct bio *bio = wi->bio;
int err;
@ -356,7 +355,6 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
bio->bi_end_io = nilfs_end_bio_write;
bio->bi_private = segbuf;
bio_set_op_attrs(bio, mode, mode_flags);
submit_bio(bio);
segbuf->sb_nbio++;
@ -384,15 +382,15 @@ static void nilfs_segbuf_prepare_write(struct nilfs_segment_buffer *segbuf,
static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
struct nilfs_write_info *wi,
struct buffer_head *bh, int mode)
struct buffer_head *bh)
{
int len, err;
BUG_ON(wi->nr_vecs <= 0);
repeat:
if (!wi->bio) {
wi->bio = bio_alloc(wi->nilfs->ns_bdev, wi->nr_vecs, 0,
GFP_NOIO);
wi->bio = bio_alloc(wi->nilfs->ns_bdev, wi->nr_vecs,
REQ_OP_WRITE, GFP_NOIO);
wi->bio->bi_iter.bi_sector = (wi->blocknr + wi->end) <<
(wi->nilfs->ns_blocksize_bits - 9);
}
@ -403,7 +401,7 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
return 0;
}
/* bio is FULL */
err = nilfs_segbuf_submit_bio(segbuf, wi, mode, 0);
err = nilfs_segbuf_submit_bio(segbuf, wi);
/* never submit current bh */
if (likely(!err))
goto repeat;
@ -433,13 +431,13 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
nilfs_segbuf_prepare_write(segbuf, &wi);
list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) {
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE);
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh);
if (unlikely(res))
goto failed_bio;
}
list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE);
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh);
if (unlikely(res))
goto failed_bio;
}
@ -449,8 +447,8 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
* Last BIO is always sent through the following
* submission.
*/
res = nilfs_segbuf_submit_bio(segbuf, &wi, REQ_OP_WRITE,
REQ_SYNC);
wi.bio->bi_opf |= REQ_SYNC;
res = nilfs_segbuf_submit_bio(segbuf, &wi);
}
failed_bio: