Btrfs: use REQ_META for all metadata IO

We need to tag metadata io with REQ_META to avoid priority inversion when using
io throttling cqroups.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Josef Bacik 2013-04-19 19:49:09 -04:00
commit d4c7ca86b5