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| author | Christoph Hellwig <hch@infradead.org> | 2012-03-13 08:52:34 +0000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-03-14 11:09:06 -0500 |
| commit | f8739c3ce2ac9a01515b56026b6a066c0808234b (patch) | |
| tree | c3f7b877b5be6e12c62028de7da46fef3e537dc7 /fs/xfs/xfs_qm.h | |
| parent | 48776fd22344ad80adcbac0abc9c0da60c6481d2 (diff) | |
| download | linux-f8739c3ce2ac9a01515b56026b6a066c0808234b.tar.bz2 | |
xfs: per-filesystem dquot LRU lists
Replace the global dquot lru lists with a per-filesystem one.
Note that the shrinker isn't wire up to the per-superblock VFS shrinker
infrastructure as would have problems summing up and splitting the counts
for inodes and dquots. I don't think this is a major problem as the quota
cache isn't as interwinded with the inode cache as the dentry cache is,
because an inode that is dropped from the cache will generally release
a dquot reference, but most of the time it won't be the last one.
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_qm.h')
| -rw-r--r-- | fs/xfs/xfs_qm.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h index 89f213f7252a..c236bba9bfab 100644 --- a/fs/xfs/xfs_qm.h +++ b/fs/xfs/xfs_qm.h @@ -56,9 +56,6 @@ typedef struct xfs_qm { xfs_dqlist_t *qm_usr_dqhtable;/* udquot hash table */ xfs_dqlist_t *qm_grp_dqhtable;/* gdquot hash table */ uint qm_dqhashmask; /* # buckets in dq hashtab - 1 */ - struct list_head qm_dqfrlist; /* freelist of dquots */ - struct mutex qm_dqfrlist_lock; - int qm_dqfrlist_cnt; uint qm_nrefs; /* file systems with quota on */ kmem_zone_t *qm_dqzone; /* dquot mem-alloc zone */ kmem_zone_t *qm_dqtrxzone; /* t_dqinfo of transactions */ @@ -71,6 +68,9 @@ typedef struct xfs_qm { typedef struct xfs_quotainfo { xfs_inode_t *qi_uquotaip; /* user quota inode */ xfs_inode_t *qi_gquotaip; /* group quota inode */ + struct list_head qi_lru_list; + struct mutex qi_lru_lock; + int qi_lru_count; struct list_head qi_dqlist; /* all dquots in filesys */ struct mutex qi_dqlist_lock; int qi_dquots; @@ -91,6 +91,7 @@ typedef struct xfs_quotainfo { xfs_qcnt_t qi_isoftlimit; /* default inode count soft limit */ xfs_qcnt_t qi_rtbhardlimit;/* default realtime blk hard limit */ xfs_qcnt_t qi_rtbsoftlimit;/* default realtime blk soft limit */ + struct shrinker qi_shrinker; } xfs_quotainfo_t; |