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| author | Christoph Hellwig <hch@infradead.org> | 2011-12-06 21:58:18 +0000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2011-12-14 16:32:21 -0600 |
| commit | 92678554abfc2a2f2727ad168da87d8d434ac904 (patch) | |
| tree | 082b395f587dca7903c083e8e10529be1890dc4e /fs/xfs/xfs_dquot.h | |
| parent | be7ffc38a80a78e6b68d0f51fae8e8d57b55324c (diff) | |
| download | lwn-92678554abfc2a2f2727ad168da87d8d434ac904.tar.gz lwn-92678554abfc2a2f2727ad168da87d8d434ac904.zip | |
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.h | 2 |
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 *); |