Btrfs: only clear dirty on the buffer if it is marked as dirty
authorJosef Bacik <jbacik@fusionio.com>
Mon, 15 Oct 2012 17:33:54 +0000 (13:33 -0400)
committerChris Mason <chris.mason@fusionio.com>
Mon, 17 Dec 2012 01:46:25 +0000 (20:46 -0500)
No reason to set the path blocking or loop through all of the pages if the
extent buffer isn't actually marked dirty.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
fs/btrfs/disk-io.c

Simple merge