xfs: remove the per-filesystem list of dquots

Instead of keeping a separate per-filesystem list of dquots we can walk
the radix tree for the two places where we need to iterate all quota
structures.

Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 3 insertions, 9 deletions

diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index b9ac268a2d7c..c4f396e437a8 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -66,7 +66,6 @@ xfs_qm_scall_quotaoff(
         int                     error;
         uint                    inactivate_flags;
         xfs_qoff_logitem_t      *qoffstart;
-        int                     nculprits;
 
         /*
          * No file system can have quotas enabled on disk but not in core.
@@ -172,18 +171,13 @@ xfs_qm_scall_quotaoff(
          * This isn't protected by a particular lock directly, because we
          * don't want to take a mrlock every time we depend on quotas being on.
          */
-        mp->m_qflags &= ~(flags);
+        mp->m_qflags &= ~flags;
 
         /*
          * Go through all the dquots of this file system and purge them,
-         * according to what was turned off. We may not be able to get rid
-         * of all dquots, because dquots can have temporary references that
-         * are not attached to inodes. eg. xfs_setattr, xfs_create.
-         * So, if we couldn't purge all the dquots from the filesystem,
-         * we can't get rid of the incore data structures.
+         * according to what was turned off.
          */
-        while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype)))
-                delay(10 * nculprits);
+        xfs_qm_dqpurge_all(mp, dqtype);
 
         /*
          * Transactions that had started before ACTIVE state bit was cleared