btrfs: tree-log: make the return value for log syncing consistent

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[ Upstream commit f31f09f6be ]

Currently we will return 1 or -EAGAIN if we decide we need to commit
the transaction rather than sync the log.  In practice this doesn't
really matter, we interpret any !0 and !BTRFS_NO_LOG_SYNC as needing to
commit the transaction.  However this makes it hard to figure out what
the correct thing to do is.

Fix this up by defining BTRFS_LOG_FORCE_COMMIT and using this in all the
places where we want to force the transaction to be committed.

CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Josef Bacik 2022-06-13 15:09:48 -04:00 • committed by Greg Kroah-Hartman

parent 0c9bb1acd1

commit 77cf035214

3 changed files with 13 additions and 10 deletions

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2

fs/btrfs/file.c

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18

fs/btrfs/tree-log.c

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3

fs/btrfs/tree-log.h

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