tree 31dbc36b458bfbeb7d640b0a2a183d4057699df4
parent 00d80e342c0f4f1990ab69f594ee1e2348e51dd9
author Jeff Mahoney <jeffm@suse.com> 1434375674 -0400
committer Chris Mason <clm@fb.com> 1438182922 -0700

btrfs: make btrfs_issue_discard return bytes discarded

Initially this will just be the length argument passed to it,
but the following patches will adjust that to reflect re-alignment
and skipped blocks.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Tested-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>