f2fs: Don't update the xattr data that same as the exist

f2fs removes the old xattr data and appends the new data although
the new data is same as the exist.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Kinglong Mee 2017-02-25 19:23:27 +08:00 • committed by Jaegeuk Kim
commit 5f35a2cd5b