f2fs: keep quota data on write_begin failure

This patch avoids some unnecessary locks for quota files when write_begin
fails.

Change-Id: If16940062b1cbaa86984d28a320ea2d1f2a59c79
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1 file changed