tree 3cf4063b81a42bec54879a8c893495682ac6c097
parent b1a06a4b574996692b72b742bf6e6aa0c711a948
author Filipe David Borba Manana <fdmanana@gmail.com> 1383750760 +0000
committer Chris Mason <chris.mason@fusionio.com> 1384998285 -0500

Btrfs: don't wait for ordered data outside desired range

In btrfs_wait_ordered_range(), if we found an extent to the left
of the start of our desired wait range and the last byte of that
extent is 1 less than the desired range's start, we would would
wait for the IO completion of that extent unnecessarily.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>