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authorChristoph Hellwig <hch@infradead.org>2011-12-06 21:58:18 +0000
committerBen Myers <bpm@sgi.com>2011-12-14 16:32:21 -0600
commit92678554abfc2a2f2727ad168da87d8d434ac904 (patch)
tree082b395f587dca7903c083e8e10529be1890dc4e /fs/xfs/xfs_dquot.h
parentbe7ffc38a80a78e6b68d0f51fae8e8d57b55324c (diff)
xfs: flatten the dquot lock ordering
Introduce a new XFS_DQ_FREEING flag that tells lookup and mplist walks to skip a dquot that is beeing freed, and use this avoid the trylock on the hash and mplist locks in xfs_qm_dqreclaim_one. Also simplify xfs_dqpurge by moving the inodes to a dispose list after marking them XFS_DQ_FREEING and avoid the locker ordering constraints. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_dquot.h')
-rw-r--r--fs/xfs/xfs_dquot.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index 0b5d2ae92028..98488dfe442f 100644
--- a/fs/xfs/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
@@ -133,7 +133,7 @@ static inline void xfs_dqunlock_nonotify(struct xfs_dquot *dqp)
extern void xfs_qm_dqdestroy(xfs_dquot_t *);
extern int xfs_qm_dqflush(xfs_dquot_t *, uint);
-extern int xfs_qm_dqpurge(xfs_dquot_t *);
+extern void xfs_qm_dqpurge(xfs_dquot_t *);
extern void xfs_qm_dqunpin_wait(xfs_dquot_t *);
extern void xfs_qm_adjust_dqtimers(xfs_mount_t *,
xfs_disk_dquot_t *);