diff options
Diffstat (limited to 'fs/xfs/xfs_qm.c')
| -rw-r--r-- | fs/xfs/xfs_qm.c | 95 |
1 files changed, 8 insertions, 87 deletions
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index a2579e1d687f..bb884e701cd9 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -54,9 +54,6 @@ struct xfs_qm *xfs_Gqm; kmem_zone_t *qm_dqzone; kmem_zone_t *qm_dqtrxzone; -STATIC void xfs_qm_list_init(xfs_dqlist_t *, char *, int); -STATIC void xfs_qm_list_destroy(xfs_dqlist_t *); - STATIC int xfs_qm_init_quotainos(xfs_mount_t *); STATIC int xfs_qm_init_quotainfo(xfs_mount_t *); STATIC int xfs_qm_shake(struct shrinker *, struct shrink_control *); @@ -68,37 +65,9 @@ STATIC int xfs_qm_shake(struct shrinker *, struct shrink_control *); STATIC struct xfs_qm * xfs_Gqm_init(void) { - xfs_dqhash_t *udqhash, *gdqhash; xfs_qm_t *xqm; - size_t hsize; - uint i; - - /* - * Initialize the dquot hash tables. - */ - udqhash = kmem_zalloc_greedy(&hsize, - XFS_QM_HASHSIZE_LOW * sizeof(xfs_dqhash_t), - XFS_QM_HASHSIZE_HIGH * sizeof(xfs_dqhash_t)); - if (!udqhash) - goto out; - - gdqhash = kmem_zalloc_large(hsize); - if (!gdqhash) - goto out_free_udqhash; - - hsize /= sizeof(xfs_dqhash_t); xqm = kmem_zalloc(sizeof(xfs_qm_t), KM_SLEEP); - xqm->qm_dqhashmask = hsize - 1; - xqm->qm_usr_dqhtable = udqhash; - xqm->qm_grp_dqhtable = gdqhash; - ASSERT(xqm->qm_usr_dqhtable != NULL); - ASSERT(xqm->qm_grp_dqhtable != NULL); - - for (i = 0; i < hsize; i++) { - xfs_qm_list_init(&(xqm->qm_usr_dqhtable[i]), "uxdqh", i); - xfs_qm_list_init(&(xqm->qm_grp_dqhtable[i]), "gxdqh", i); - } /* * dquot zone. we register our own low-memory callback. @@ -122,11 +91,6 @@ xfs_Gqm_init(void) xqm->qm_nrefs = 0; return xqm; - - out_free_udqhash: - kmem_free_large(udqhash); - out: - return NULL; } /* @@ -136,22 +100,9 @@ STATIC void xfs_qm_destroy( struct xfs_qm *xqm) { - int hsize, i; - ASSERT(xqm != NULL); ASSERT(xqm->qm_nrefs == 0); - hsize = xqm->qm_dqhashmask + 1; - for (i = 0; i < hsize; i++) { - xfs_qm_list_destroy(&(xqm->qm_usr_dqhtable[i])); - xfs_qm_list_destroy(&(xqm->qm_grp_dqhtable[i])); - } - kmem_free_large(xqm->qm_usr_dqhtable); - kmem_free_large(xqm->qm_grp_dqhtable); - xqm->qm_usr_dqhtable = NULL; - xqm->qm_grp_dqhtable = NULL; - xqm->qm_dqhashmask = 0; - kmem_free(xqm); } @@ -762,14 +713,6 @@ xfs_qm_dqdetach( } /* - * The hash chains and the mplist use the same xfs_dqhash structure as - * their list head, but we can take the mplist qh_lock and one of the - * hash qh_locks at the same time without any problem as they aren't - * related. - */ -static struct lock_class_key xfs_quota_mplist_class; - -/* * This initializes all the quota information that's kept in the * mount structure */ @@ -802,9 +745,12 @@ xfs_qm_init_quotainfo( return error; } + INIT_RADIX_TREE(&qinf->qi_uquota_tree, GFP_NOFS); + INIT_RADIX_TREE(&qinf->qi_gquota_tree, GFP_NOFS); + mutex_init(&qinf->qi_tree_lock); + INIT_LIST_HEAD(&qinf->qi_dqlist); mutex_init(&qinf->qi_dqlist_lock); - lockdep_set_class(&qinf->qi_dqlist_lock, &xfs_quota_mplist_class); INIT_LIST_HEAD(&qinf->qi_lru_list); qinf->qi_lru_count = 0; @@ -924,30 +870,6 @@ xfs_qm_destroy_quotainfo( mp->m_quotainfo = NULL; } - - -/* ------------------- PRIVATE STATIC FUNCTIONS ----------------------- */ - -/* ARGSUSED */ -STATIC void -xfs_qm_list_init( - xfs_dqlist_t *list, - char *str, - int n) -{ - mutex_init(&list->qh_lock); - INIT_LIST_HEAD(&list->qh_list); - list->qh_version = 0; - list->qh_nelems = 0; -} - -STATIC void -xfs_qm_list_destroy( - xfs_dqlist_t *list) -{ - mutex_destroy(&(list->qh_lock)); -} - /* * Create an inode and return with a reference already taken, but unlocked * This is how we create quota inodes @@ -1592,10 +1514,10 @@ xfs_qm_dqfree_one( struct xfs_mount *mp = dqp->q_mount; struct xfs_quotainfo *qi = mp->m_quotainfo; - mutex_lock(&dqp->q_hash->qh_lock); - list_del_init(&dqp->q_hashlist); - dqp->q_hash->qh_version++; - mutex_unlock(&dqp->q_hash->qh_lock); + mutex_lock(&qi->qi_tree_lock); + radix_tree_delete(XFS_DQUOT_TREE(qi, dqp->q_core.d_flags), + be32_to_cpu(dqp->q_core.d_id)); + mutex_unlock(&qi->qi_tree_lock); mutex_lock(&qi->qi_dqlist_lock); list_del_init(&dqp->q_mplist); @@ -1634,7 +1556,6 @@ xfs_qm_dqreclaim_one( return; } - ASSERT(dqp->q_hash); ASSERT(!list_empty(&dqp->q_mplist)); /* |