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fs: semove set but not checked AOP_FLAG_UNINTERRUPTIBLE flag

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Commit afddba49d1 ("fs: introduce write_begin, write_end, and
perform_write aops") introduced AOP_FLAG_UNINTERRUPTIBLE flag which was
checked in pagecache_write_begin(), but that check was removed by
4e02ed4b4a ("fs: remove prepare_write/commit_write").

Between these two commits, commit d9414774dc ("cifs: Convert cifs to
new aops.") added a check in cifs_write_begin(), but that check was soon
removed by commit a98ee8c1c7 ("[CIFS] fix regression in
cifs_write_begin/cifs_write_end").

Therefore, AOP_FLAG_UNINTERRUPTIBLE flag is checked nowhere.  Let's
remove this flag.  This patch has no functionality changes.

Link: http://lkml.kernel.org/r/1489294781-53494-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Tetsuo Handa <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Tetsuo Handa 2017-05-08 15:58:59 -07:00 • committed by Linus Torvalds
commit c718a97514
9 changed files with 17 additions and 37 deletions
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3
Documentation/filesystems/vfs.txt
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@ -694,8 +694,7 @@ struct address_space_operations {
write_end: After a successful write_begin, and data copy, write_end must
be called. len is the original len passed to write_begin, and copied
is the amount that was able to be copied (copied == len is always true
if write_begin was called with the AOP_FLAG_UNINTERRUPTIBLE flag).
is the amount that was able to be copied.
The filesystem must take care of unlocking the page and releasing it
refcount, and updating i_size.