tree a90b04313e8671e6846d09c0c14c7b08e16d0e65
parent 1e8f915868c59be4d6e49d9aff928454a5d5d569
author Jan Schmidt <list.btrfs@jan-o-sch.net> 1367867657 +0000
committer Josef Bacik <jbacik@fusionio.com> 1371223762 -0400

Btrfs: add ioctl to wait for qgroup rescan completion

btrfs_qgroup_wait_for_completion waits until the currently running qgroup
operation completes. It returns immediately when no rescan process is in
progress. This is useful to automate things around the rescan process (e.g.
testing).

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>