diff options
| author |   Christoph Hellwig <hch@infradead.org> | 2012-03-13 08:52:37 +0000 |
|---|---|---|
| committer |   Ben Myers <bpm@sgi.com> | 2012-03-14 12:06:32 -0500 |
| commit | a05931ceb0160deadbd7798d60d01b17f2d81b09 (patch) | |
| tree | ca56811415e970149cc99b8b7f6ec9a4677d6025 /fs/xfs/xfs_dquot.c | |
| parent | xfs: remove the per-filesystem list of dquots (diff) | |
| download | linux-dev-a05931ceb0160deadbd7798d60d01b17f2d81b09.tar.xz linux-dev-a05931ceb0160deadbd7798d60d01b17f2d81b09.zip | |
xfs: remove the global xfs_Gqm structure
If we initialize the slab caches for the quota code when XFS is loaded there
is no need for a global and reference counted quota manager structure. Drop
all this overhead and also fix the error handling during quota initialization.
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.c')
| -rw-r--r-- | fs/xfs/xfs_dquot.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 2896ac953ed6..4be16a0cbe5a 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -59,6 +59,9 @@ int xfs_dqreq_num; int xfs_dqerror_mod = 33; #endif +struct kmem_zone *xfs_qm_dqtrxzone; +static struct kmem_zone *xfs_qm_dqzone; + static struct lock_class_key xfs_dquot_other_class; /* @@ -71,7 +74,7 @@ xfs_qm_dqdestroy( ASSERT(list_empty(&dqp->q_lru)); mutex_destroy(&dqp->q_qlock); - kmem_zone_free(xfs_Gqm->qm_dqzone, dqp); + kmem_zone_free(xfs_qm_dqzone, dqp); XFS_STATS_DEC(xs_qm_dquot); } @@ -491,7 +494,7 @@ xfs_qm_dqread( int cancelflags = 0; - dqp = kmem_zone_zalloc(xfs_Gqm->qm_dqzone, KM_SLEEP); + dqp = kmem_zone_zalloc(xfs_qm_dqzone, KM_SLEEP); dqp->dq_flags = type; dqp->q_core.d_id = cpu_to_be32(id); @@ -1040,3 +1043,31 @@ xfs_dqflock_pushbuf_wait( out_lock: xfs_dqflock(dqp); } + +int __init +xfs_qm_init(void) +{ + xfs_qm_dqzone = + kmem_zone_init(sizeof(struct xfs_dquot), "xfs_dquot"); + if (!xfs_qm_dqzone) + goto out; + + xfs_qm_dqtrxzone = + kmem_zone_init(sizeof(struct xfs_dquot_acct), "xfs_dqtrx"); + if (!xfs_qm_dqtrxzone) + goto out_free_dqzone; + + return 0; + +out_free_dqzone: + kmem_zone_destroy(xfs_qm_dqzone); +out: + return -ENOMEM; +} + +void __exit +xfs_qm_exit(void) +{ + kmem_zone_destroy(xfs_qm_dqtrxzone); + kmem_zone_destroy(xfs_qm_dqzone); +} |