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authorChristoph Hellwig <hch@infradead.org>2012-03-13 08:52:35 +0000
committerBen Myers <bpm@sgi.com>2012-03-14 11:09:06 -0500
commit9f920f116426806bfa34c1422742e1bf7b7a2b4b (patch)
tree3ec0a4f006dc10ed56e5bec1b605f5ecbb3a3275 /fs/xfs/xfs_dquot.h
parentf8739c3ce2ac9a01515b56026b6a066c0808234b (diff)
downloadblackbird-obmc-linux-9f920f116426806bfa34c1422742e1bf7b7a2b4b.tar.gz
blackbird-obmc-linux-9f920f116426806bfa34c1422742e1bf7b7a2b4b.zip
xfs: use per-filesystem radix trees for dquot lookup
Replace the global hash tables for looking up in-memory dquot structures with per-filesystem radix trees to allow scaling to a large number of in-memory dquot structures. Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_dquot.h')
-rw-r--r--fs/xfs/xfs_dquot.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index f291c25e5992..4061f1731271 100644
--- a/fs/xfs/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
@@ -29,16 +29,6 @@
* when quotas are off.
*/
-/*
- * The hash chain headers (hash buckets)
- */
-typedef struct xfs_dqhash {
- struct list_head qh_list;
- struct mutex qh_lock;
- uint qh_version; /* ever increasing version */
- uint qh_nelems; /* number of dquots on the list */
-} xfs_dqhash_t;
-
struct xfs_mount;
struct xfs_trans;
@@ -49,8 +39,6 @@ typedef struct xfs_dquot {
uint dq_flags; /* various flags (XFS_DQ_*) */
struct list_head q_lru; /* global free list of dquots */
struct list_head q_mplist; /* mount's list of dquots */
- struct list_head q_hashlist; /* gloabl hash list of dquots */
- xfs_dqhash_t *q_hash; /* the hashchain header */
struct xfs_mount*q_mount; /* filesystem this relates to */
struct xfs_trans*q_transp; /* trans this belongs to currently */
uint q_nrefs; /* # active refs from inodes */
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