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f82b735936
linux/fs/btrfs
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Liu Bo f82b735936 Btrfs: add write_flags for compression bio 
Compression code path has only flaged bios with REQ_OP_WRITE no matter
where the bios come from, but it could be a sync write if fsync starts
this writeback or a normal writeback write if wb kthread starts a
periodic writeback.

It breaks the rule that sync writes and writeback writes need to be
differentiated from each other, because from the POV of block layer,
all bios need to be recognized by these flags in order to do some
management, e.g. throttlling.

This passes writeback_control to compression write path so that it can
send bios with proper flags to block layer.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2017-11-15 14:44:31 +01:00
..
tests Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
acl.c btrfs: preserve i_mode if __btrfs_set_acl() fails 2017-08-21 17:47:42 +02:00
async-thread.c Btrfs: fix confusing worker helper info in stacktrace 2017-10-30 12:27:57 +01:00
async-thread.h btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
backref.c btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
backref.h btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
btrfs_inode.h btrfs: make the delalloc block rsv per inode 2017-11-01 20:45:35 +01:00
check-integrity.c btrfs: Fix bug for misused dev_t when lookup in dev state hash table. 2017-11-01 20:45:36 +01:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c Btrfs: add write_flags for compression bio 2017-11-15 14:44:31 +01:00
compression.h Btrfs: add write_flags for compression bio 2017-11-15 14:44:31 +01:00
ctree.c btrfs: pass root to various extent ref mod functions 2017-10-30 12:28:00 +01:00
ctree.h btrfs: make the delalloc block rsv per inode 2017-11-01 20:45:35 +01:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: make the delalloc block rsv per inode 2017-11-01 20:45:35 +01:00
delayed-inode.h btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
delayed-ref.c btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
delayed-ref.h btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
dev-replace.c Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-09-14 18:54:01 -07:00
dev-replace.h btrfs: constify device path passed to relevant helpers 2017-02-28 14:26:07 +01:00
dir-item.c btrfs: fix validation of XATTR_ITEM dir items 2017-06-29 20:06:11 +02:00
disk-io.c btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
disk-io.h btrfs: use named constant for bdev blocksize 2017-08-16 16:12:04 +02:00
export.c btrfs: Check name_len before reading btrfs_get_name 2017-06-21 19:16:04 +02:00
export.h
extent_io.c Btrfs: add write_flags for compression bio 2017-11-15 14:44:31 +01:00
extent_io.h Btrfs: add write_flags for compression bio 2017-11-15 14:44:31 +01:00
extent_map.c btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent_map.h btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent-tree.c btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
file-item.c Merge branch 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-05 16:41:23 -07:00
file.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
free-space-cache.c btrfs: drop newlines from strings when using btrfs_* helpers 2017-08-16 16:12:02 +02:00
free-space-cache.h btrfs: free-space-cache, clean up unnecessary root arguments 2017-02-17 12:03:56 +01:00
free-space-tree.c btrfs: Clean up unused variables in free-space-tree.c 2017-10-30 12:27:59 +01:00
free-space-tree.h btrfs: expose internal free space tree routine only if sanity tests are enabled 2017-08-18 16:36:29 +02:00
hash.c crypto: Work around deallocated stack frame reference gcc bug on sparc. 2017-06-08 17:36:03 +08:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
inode-map.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
inode-map.h
inode.c Btrfs: add write_flags for compression bio 2017-11-15 14:44:31 +01:00
ioctl.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
Kconfig Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
locking.c
locking.h
lzo.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
Makefile Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
math.h
ordered-data.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
ordered-data.h btrfs: fix integer overflow in calc_reclaim_items_nr 2017-06-29 20:17:02 +02:00
orphan.c
print-tree.c Btrfs: add one more sanity check for shared ref type 2017-08-21 17:47:43 +02:00
print-tree.h btrfs: get fs_info from eb in btrfs_print_tree, remove argument 2017-08-16 16:12:03 +02:00
props.c Merge branch 'zstd-minimal' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2017-09-14 17:30:49 -07:00
props.h
qgroup.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
qgroup.h btrfs: qgroup: Fix qgroup reserved space underflow by only freeing reserved ranges 2017-06-29 20:17:02 +02:00
raid56.c Btrfs: fix memory leak in raid56 2017-10-30 12:27:57 +01:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
reada.c btrfs: remove unused member err from reada_extent 2017-06-19 18:25:59 +02:00
ref-verify.c Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
ref-verify.h Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
relocation.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
root-tree.c btrfs: Clean up dead code in root-tree 2017-10-30 12:27:56 +01:00
scrub.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
send.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
send.h btrfs: fix send ioctl on 32bit with 64bit kernel 2017-10-30 12:27:59 +01:00
struct-funcs.c btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
super.c btrfs: allow setting zlib compression level via :9 2017-11-01 20:45:34 +01:00
sysfs.c btrfs: prefix sysfs attribute struct names 2017-10-30 12:27:58 +01:00
sysfs.h btrfs: prefix sysfs attribute struct names 2017-10-30 12:27:58 +01:00
transaction.c btrfs: don't call btrfs_start_delalloc_roots in flushoncommit 2017-11-01 20:45:35 +01:00
transaction.h btrfs: remove unused qgroup members from btrfs_trans_handle 2017-04-18 14:07:25 +02:00
tree-checker.c btrfs: tree-checker: use %zu format string for size_t 2017-10-30 12:27:59 +01:00
tree-checker.h btrfs: Move leaf and node validation checker to tree-checker.c 2017-10-30 12:27:58 +01:00
tree-defrag.c
tree-log.c btrfs: pass root to various extent ref mod functions 2017-10-30 12:28:00 +01:00
tree-log.h btrfs: Make btrfs_del_inode_ref take btrfs_inode 2017-02-14 15:50:54 +01:00
ulist.c btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
ulist.h btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
uuid-tree.c btrfs: return the actual error value from from btrfs_uuid_tree_iterate 2016-12-19 18:08:15 +01:00
volumes.c btrfs: remove BUG_ON in btrfs_rm_dev_replace_free_srcdev() 2017-11-01 20:45:34 +01:00
volumes.h btrfs: declare btrfs_report_missing_device() static 2017-10-30 12:27:59 +01:00
xattr.c btrfs: Check name_len with boundary in verify dir_item 2017-06-21 19:16:04 +02:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
zstd.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00