quota: Push dqio_sem down to ->read_dqblk()

Push down acquisition of dqio_sem into ->read_dqblk() callback. It will
allow quota formats to decide whether they need it or not.

Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2017-06-08 15:30:45 +02:00
commit e342e38df9
3 changed files with 14 additions and 6 deletions