* - move all stuff to libcfs
* - don't allow cur_bits != max_bits without setting of CFS_HASH_REHASH
* - ignore hs_rwlock if without CFS_HASH_REHASH setting
- * - buckets are allocated one by one(intead of contiguous memory),
+ * - buckets are allocated one by one(instead of contiguous memory),
* to avoid unnecessary cacheline conflict
*
* 2010-03-01: Liang Zhen <zhen.liang@sun.com>
- * - "bucket" is a group of hlist_head now, user can speicify bucket size
+ * - "bucket" is a group of hlist_head now, user can specify bucket size
* by bkt_bits of cfs_hash_create(), all hlist_heads in a bucket share
* one lock for reducing memory overhead.
*
#if CFS_HASH_DEBUG_LEVEL >= CFS_HASH_DEBUG_1
static unsigned int warn_on_depth = 8;
-CFS_MODULE_PARM(warn_on_depth, "i", uint, 0644,
- "warning when hash depth is high.");
+module_param(warn_on_depth, uint, 0644);
+MODULE_PARM_DESC(warn_on_depth, "warning when hash depth is high.");
#endif
struct cfs_wi_sched *cfs_sched_rehash;
static inline void
-cfs_hash_nl_lock(cfs_hash_lock_t *lock, int exclusive) {}
+cfs_hash_nl_lock(union cfs_hash_lock *lock, int exclusive) {}
static inline void
-cfs_hash_nl_unlock(cfs_hash_lock_t *lock, int exclusive) {}
+cfs_hash_nl_unlock(union cfs_hash_lock *lock, int exclusive) {}
static inline void
-cfs_hash_spin_lock(cfs_hash_lock_t *lock, int exclusive)
-__acquires(&lock->spin)
+cfs_hash_spin_lock(union cfs_hash_lock *lock, int exclusive)
+ __acquires(&lock->spin)
{
spin_lock(&lock->spin);
}
static inline void
-cfs_hash_spin_unlock(cfs_hash_lock_t *lock, int exclusive)
-__releases(&lock->spin)
+cfs_hash_spin_unlock(union cfs_hash_lock *lock, int exclusive)
+ __releases(&lock->spin)
{
spin_unlock(&lock->spin);
}
static inline void
-cfs_hash_rw_lock(cfs_hash_lock_t *lock, int exclusive)
-__acquires(&lock->rw)
+cfs_hash_rw_lock(union cfs_hash_lock *lock, int exclusive)
+ __acquires(&lock->rw)
{
if (!exclusive)
read_lock(&lock->rw);
}
static inline void
-cfs_hash_rw_unlock(cfs_hash_lock_t *lock, int exclusive)
-__releases(&lock->rw)
+cfs_hash_rw_unlock(union cfs_hash_lock *lock, int exclusive)
+ __releases(&lock->rw)
{
if (!exclusive)
read_unlock(&lock->rw);
}
/** No lock hash */
-static cfs_hash_lock_ops_t cfs_hash_nl_lops =
-{
- .hs_lock = cfs_hash_nl_lock,
- .hs_unlock = cfs_hash_nl_unlock,
- .hs_bkt_lock = cfs_hash_nl_lock,
- .hs_bkt_unlock = cfs_hash_nl_unlock,
+static struct cfs_hash_lock_ops cfs_hash_nl_lops = {
+ .hs_lock = cfs_hash_nl_lock,
+ .hs_unlock = cfs_hash_nl_unlock,
+ .hs_bkt_lock = cfs_hash_nl_lock,
+ .hs_bkt_unlock = cfs_hash_nl_unlock,
};
/** no bucket lock, one spinlock to protect everything */
-static cfs_hash_lock_ops_t cfs_hash_nbl_lops =
-{
- .hs_lock = cfs_hash_spin_lock,
- .hs_unlock = cfs_hash_spin_unlock,
- .hs_bkt_lock = cfs_hash_nl_lock,
- .hs_bkt_unlock = cfs_hash_nl_unlock,
+static struct cfs_hash_lock_ops cfs_hash_nbl_lops = {
+ .hs_lock = cfs_hash_spin_lock,
+ .hs_unlock = cfs_hash_spin_unlock,
+ .hs_bkt_lock = cfs_hash_nl_lock,
+ .hs_bkt_unlock = cfs_hash_nl_unlock,
};
/** spin bucket lock, rehash is enabled */
-static cfs_hash_lock_ops_t cfs_hash_bkt_spin_lops =
-{
- .hs_lock = cfs_hash_rw_lock,
- .hs_unlock = cfs_hash_rw_unlock,
- .hs_bkt_lock = cfs_hash_spin_lock,
- .hs_bkt_unlock = cfs_hash_spin_unlock,
+static struct cfs_hash_lock_ops cfs_hash_bkt_spin_lops = {
+ .hs_lock = cfs_hash_rw_lock,
+ .hs_unlock = cfs_hash_rw_unlock,
+ .hs_bkt_lock = cfs_hash_spin_lock,
+ .hs_bkt_unlock = cfs_hash_spin_unlock,
};
/** rw bucket lock, rehash is enabled */
-static cfs_hash_lock_ops_t cfs_hash_bkt_rw_lops =
-{
- .hs_lock = cfs_hash_rw_lock,
- .hs_unlock = cfs_hash_rw_unlock,
- .hs_bkt_lock = cfs_hash_rw_lock,
- .hs_bkt_unlock = cfs_hash_rw_unlock,
+static struct cfs_hash_lock_ops cfs_hash_bkt_rw_lops = {
+ .hs_lock = cfs_hash_rw_lock,
+ .hs_unlock = cfs_hash_rw_unlock,
+ .hs_bkt_lock = cfs_hash_rw_lock,
+ .hs_bkt_unlock = cfs_hash_rw_unlock,
};
/** spin bucket lock, rehash is disabled */
-static cfs_hash_lock_ops_t cfs_hash_nr_bkt_spin_lops =
-{
- .hs_lock = cfs_hash_nl_lock,
- .hs_unlock = cfs_hash_nl_unlock,
- .hs_bkt_lock = cfs_hash_spin_lock,
- .hs_bkt_unlock = cfs_hash_spin_unlock,
+static struct cfs_hash_lock_ops cfs_hash_nr_bkt_spin_lops = {
+ .hs_lock = cfs_hash_nl_lock,
+ .hs_unlock = cfs_hash_nl_unlock,
+ .hs_bkt_lock = cfs_hash_spin_lock,
+ .hs_bkt_unlock = cfs_hash_spin_unlock,
};
/** rw bucket lock, rehash is disabled */
-static cfs_hash_lock_ops_t cfs_hash_nr_bkt_rw_lops =
-{
- .hs_lock = cfs_hash_nl_lock,
- .hs_unlock = cfs_hash_nl_unlock,
- .hs_bkt_lock = cfs_hash_rw_lock,
- .hs_bkt_unlock = cfs_hash_rw_unlock,
+static struct cfs_hash_lock_ops cfs_hash_nr_bkt_rw_lops = {
+ .hs_lock = cfs_hash_nl_lock,
+ .hs_unlock = cfs_hash_nl_unlock,
+ .hs_bkt_lock = cfs_hash_rw_lock,
+ .hs_bkt_unlock = cfs_hash_rw_unlock,
};
static void
-cfs_hash_lock_setup(cfs_hash_t *hs)
+cfs_hash_lock_setup(struct cfs_hash *hs)
{
if (cfs_hash_with_no_lock(hs)) {
hs->hs_lops = &cfs_hash_nl_lops;
* Simple hash head without depth tracking
* new element is always added to head of hlist
*/
-typedef struct {
+struct cfs_hash_head {
struct hlist_head hh_head; /**< entries list */
-} cfs_hash_head_t;
+};
static int
-cfs_hash_hh_hhead_size(cfs_hash_t *hs)
+cfs_hash_hh_hhead_size(struct cfs_hash *hs)
{
- return sizeof(cfs_hash_head_t);
+ return sizeof(struct cfs_hash_head);
}
static struct hlist_head *
-cfs_hash_hh_hhead(cfs_hash_t *hs, cfs_hash_bd_t *bd)
+cfs_hash_hh_hhead(struct cfs_hash *hs, struct cfs_hash_bd *bd)
{
- cfs_hash_head_t *head = (cfs_hash_head_t *)&bd->bd_bucket->hsb_head[0];
+ struct cfs_hash_head *head;
+ head = (struct cfs_hash_head *)&bd->bd_bucket->hsb_head[0];
return &head[bd->bd_offset].hh_head;
}
static int
-cfs_hash_hh_hnode_add(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_hh_hnode_add(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
hlist_add_head(hnode, cfs_hash_hh_hhead(hs, bd));
}
static int
-cfs_hash_hh_hnode_del(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_hh_hnode_del(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
hlist_del_init(hnode);
* Simple hash head with depth tracking
* new element is always added to head of hlist
*/
-typedef struct {
+struct cfs_hash_head_dep {
struct hlist_head hd_head; /**< entries list */
unsigned int hd_depth; /**< list length */
-} cfs_hash_head_dep_t;
+};
static int
-cfs_hash_hd_hhead_size(cfs_hash_t *hs)
+cfs_hash_hd_hhead_size(struct cfs_hash *hs)
{
- return sizeof(cfs_hash_head_dep_t);
+ return sizeof(struct cfs_hash_head_dep);
}
static struct hlist_head *
-cfs_hash_hd_hhead(cfs_hash_t *hs, cfs_hash_bd_t *bd)
+cfs_hash_hd_hhead(struct cfs_hash *hs, struct cfs_hash_bd *bd)
{
- cfs_hash_head_dep_t *head;
+ struct cfs_hash_head_dep *head;
- head = (cfs_hash_head_dep_t *)&bd->bd_bucket->hsb_head[0];
+ head = (struct cfs_hash_head_dep *)&bd->bd_bucket->hsb_head[0];
return &head[bd->bd_offset].hd_head;
}
static int
-cfs_hash_hd_hnode_add(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_hd_hnode_add(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
- cfs_hash_head_dep_t *hh = container_of(cfs_hash_hd_hhead(hs, bd),
- cfs_hash_head_dep_t, hd_head);
+ struct cfs_hash_head_dep *hh;
+
+ hh = container_of(cfs_hash_hd_hhead(hs, bd),
+ struct cfs_hash_head_dep, hd_head);
hlist_add_head(hnode, &hh->hd_head);
return ++hh->hd_depth;
}
static int
-cfs_hash_hd_hnode_del(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_hd_hnode_del(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
- cfs_hash_head_dep_t *hh = container_of(cfs_hash_hd_hhead(hs, bd),
- cfs_hash_head_dep_t, hd_head);
+ struct cfs_hash_head_dep *hh;
+
+ hh = container_of(cfs_hash_hd_hhead(hs, bd),
+ struct cfs_hash_head_dep, hd_head);
hlist_del_init(hnode);
return --hh->hd_depth;
}
* double links hash head without depth tracking
* new element is always added to tail of hlist
*/
-typedef struct {
+struct cfs_hash_dhead {
struct hlist_head dh_head; /**< entries list */
struct hlist_node *dh_tail; /**< the last entry */
-} cfs_hash_dhead_t;
+};
static int
-cfs_hash_dh_hhead_size(cfs_hash_t *hs)
+cfs_hash_dh_hhead_size(struct cfs_hash *hs)
{
- return sizeof(cfs_hash_dhead_t);
+ return sizeof(struct cfs_hash_dhead);
}
static struct hlist_head *
-cfs_hash_dh_hhead(cfs_hash_t *hs, cfs_hash_bd_t *bd)
+cfs_hash_dh_hhead(struct cfs_hash *hs, struct cfs_hash_bd *bd)
{
- cfs_hash_dhead_t *head;
+ struct cfs_hash_dhead *head;
- head = (cfs_hash_dhead_t *)&bd->bd_bucket->hsb_head[0];
+ head = (struct cfs_hash_dhead *)&bd->bd_bucket->hsb_head[0];
return &head[bd->bd_offset].dh_head;
}
static int
-cfs_hash_dh_hnode_add(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_dh_hnode_add(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
- cfs_hash_dhead_t *dh = container_of(cfs_hash_dh_hhead(hs, bd),
- cfs_hash_dhead_t, dh_head);
+ struct cfs_hash_dhead *dh;
+ dh = container_of(cfs_hash_dh_hhead(hs, bd),
+ struct cfs_hash_dhead, dh_head);
if (dh->dh_tail != NULL) /* not empty */
- hlist_add_after(dh->dh_tail, hnode);
+ hlist_add_behind(hnode, dh->dh_tail);
else /* empty list */
hlist_add_head(hnode, &dh->dh_head);
dh->dh_tail = hnode;
}
static int
-cfs_hash_dh_hnode_del(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_dh_hnode_del(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnd)
{
- cfs_hash_dhead_t *dh = container_of(cfs_hash_dh_hhead(hs, bd),
- cfs_hash_dhead_t, dh_head);
+ struct cfs_hash_dhead *dh;
+ dh = container_of(cfs_hash_dh_hhead(hs, bd),
+ struct cfs_hash_dhead, dh_head);
if (hnd->next == NULL) { /* it's the tail */
dh->dh_tail = (hnd->pprev == &dh->dh_head.first) ? NULL :
container_of(hnd->pprev, struct hlist_node, next);
* double links hash head with depth tracking
* new element is always added to tail of hlist
*/
-typedef struct {
+struct cfs_hash_dhead_dep {
struct hlist_head dd_head; /**< entries list */
struct hlist_node *dd_tail; /**< the last entry */
unsigned int dd_depth; /**< list length */
-} cfs_hash_dhead_dep_t;
+};
static int
-cfs_hash_dd_hhead_size(cfs_hash_t *hs)
+cfs_hash_dd_hhead_size(struct cfs_hash *hs)
{
- return sizeof(cfs_hash_dhead_dep_t);
+ return sizeof(struct cfs_hash_dhead_dep);
}
static struct hlist_head *
-cfs_hash_dd_hhead(cfs_hash_t *hs, cfs_hash_bd_t *bd)
+cfs_hash_dd_hhead(struct cfs_hash *hs, struct cfs_hash_bd *bd)
{
- cfs_hash_dhead_dep_t *head;
+ struct cfs_hash_dhead_dep *head;
- head = (cfs_hash_dhead_dep_t *)&bd->bd_bucket->hsb_head[0];
+ head = (struct cfs_hash_dhead_dep *)&bd->bd_bucket->hsb_head[0];
return &head[bd->bd_offset].dd_head;
}
static int
-cfs_hash_dd_hnode_add(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_dd_hnode_add(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
- cfs_hash_dhead_dep_t *dh = container_of(cfs_hash_dd_hhead(hs, bd),
- cfs_hash_dhead_dep_t, dd_head);
+ struct cfs_hash_dhead_dep *dh;
+ dh = container_of(cfs_hash_dd_hhead(hs, bd),
+ struct cfs_hash_dhead_dep, dd_head);
if (dh->dd_tail != NULL) /* not empty */
- hlist_add_after(dh->dd_tail, hnode);
+ hlist_add_behind(hnode, dh->dd_tail);
else /* empty list */
hlist_add_head(hnode, &dh->dd_head);
dh->dd_tail = hnode;
}
static int
-cfs_hash_dd_hnode_del(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_dd_hnode_del(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnd)
{
- cfs_hash_dhead_dep_t *dh = container_of(cfs_hash_dd_hhead(hs, bd),
- cfs_hash_dhead_dep_t, dd_head);
+ struct cfs_hash_dhead_dep *dh;
+ dh = container_of(cfs_hash_dd_hhead(hs, bd),
+ struct cfs_hash_dhead_dep, dd_head);
if (hnd->next == NULL) { /* it's the tail */
dh->dd_tail = (hnd->pprev == &dh->dd_head.first) ? NULL :
container_of(hnd->pprev, struct hlist_node, next);
return --dh->dd_depth;
}
-static cfs_hash_hlist_ops_t cfs_hash_hh_hops = {
+static struct cfs_hash_hlist_ops cfs_hash_hh_hops = {
.hop_hhead = cfs_hash_hh_hhead,
.hop_hhead_size = cfs_hash_hh_hhead_size,
.hop_hnode_add = cfs_hash_hh_hnode_add,
.hop_hnode_del = cfs_hash_hh_hnode_del,
};
-static cfs_hash_hlist_ops_t cfs_hash_hd_hops = {
+static struct cfs_hash_hlist_ops cfs_hash_hd_hops = {
.hop_hhead = cfs_hash_hd_hhead,
.hop_hhead_size = cfs_hash_hd_hhead_size,
.hop_hnode_add = cfs_hash_hd_hnode_add,
.hop_hnode_del = cfs_hash_hd_hnode_del,
};
-static cfs_hash_hlist_ops_t cfs_hash_dh_hops = {
+static struct cfs_hash_hlist_ops cfs_hash_dh_hops = {
.hop_hhead = cfs_hash_dh_hhead,
.hop_hhead_size = cfs_hash_dh_hhead_size,
.hop_hnode_add = cfs_hash_dh_hnode_add,
.hop_hnode_del = cfs_hash_dh_hnode_del,
};
-static cfs_hash_hlist_ops_t cfs_hash_dd_hops = {
+static struct cfs_hash_hlist_ops cfs_hash_dd_hops = {
.hop_hhead = cfs_hash_dd_hhead,
.hop_hhead_size = cfs_hash_dd_hhead_size,
.hop_hnode_add = cfs_hash_dd_hnode_add,
};
static void
-cfs_hash_hlist_setup(cfs_hash_t *hs)
+cfs_hash_hlist_setup(struct cfs_hash *hs)
{
if (cfs_hash_with_add_tail(hs)) {
hs->hs_hops = cfs_hash_with_depth(hs) ?
}
static void
-cfs_hash_bd_from_key(cfs_hash_t *hs, cfs_hash_bucket_t **bkts,
- unsigned int bits, const void *key, cfs_hash_bd_t *bd)
+cfs_hash_bd_from_key(struct cfs_hash *hs, struct cfs_hash_bucket **bkts,
+ unsigned int bits, const void *key, struct cfs_hash_bd *bd)
{
unsigned int index = cfs_hash_id(hs, key, (1U << bits) - 1);
}
void
-cfs_hash_bd_get(cfs_hash_t *hs, const void *key, cfs_hash_bd_t *bd)
+cfs_hash_bd_get(struct cfs_hash *hs, const void *key, struct cfs_hash_bd *bd)
{
/* NB: caller should hold hs->hs_rwlock if REHASH is set */
if (likely(hs->hs_rehash_buckets == NULL)) {
EXPORT_SYMBOL(cfs_hash_bd_get);
static inline void
-cfs_hash_bd_dep_record(cfs_hash_t *hs, cfs_hash_bd_t *bd, int dep_cur)
+cfs_hash_bd_dep_record(struct cfs_hash *hs, struct cfs_hash_bd *bd, int dep_cur)
{
if (likely(dep_cur <= bd->bd_bucket->hsb_depmax))
return;
}
void
-cfs_hash_bd_add_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bd_add_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
int rc;
EXPORT_SYMBOL(cfs_hash_bd_add_locked);
void
-cfs_hash_bd_del_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bd_del_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
hs->hs_hops->hop_hnode_del(hs, bd, hnode);
EXPORT_SYMBOL(cfs_hash_bd_del_locked);
void
-cfs_hash_bd_move_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd_old,
- cfs_hash_bd_t *bd_new, struct hlist_node *hnode)
+cfs_hash_bd_move_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd_old,
+ struct cfs_hash_bd *bd_new, struct hlist_node *hnode)
{
- cfs_hash_bucket_t *obkt = bd_old->bd_bucket;
- cfs_hash_bucket_t *nbkt = bd_new->bd_bucket;
+ struct cfs_hash_bucket *obkt = bd_old->bd_bucket;
+ struct cfs_hash_bucket *nbkt = bd_new->bd_bucket;
int rc;
if (cfs_hash_bd_compare(bd_old, bd_new) == 0)
CFS_HS_LOOKUP_MASK_DEL = 1 << 3,
};
-typedef enum cfs_hash_lookup_intent {
+enum cfs_hash_lookup_intent {
/** return item w/o refcount */
CFS_HS_LOOKUP_IT_PEEK = CFS_HS_LOOKUP_MASK_FIND,
/** return item with refcount */
/** delete if existed */
CFS_HS_LOOKUP_IT_FINDDEL = (CFS_HS_LOOKUP_MASK_FIND |
CFS_HS_LOOKUP_MASK_DEL)
-} cfs_hash_lookup_intent_t;
+};
static struct hlist_node *
-cfs_hash_bd_lookup_intent(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bd_lookup_intent(struct cfs_hash *hs, struct cfs_hash_bd *bd,
const void *key, struct hlist_node *hnode,
- cfs_hash_lookup_intent_t intent)
+ enum cfs_hash_lookup_intent intent)
{
struct hlist_head *hhead = cfs_hash_bd_hhead(hs, bd);
}
struct hlist_node *
-cfs_hash_bd_lookup_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd, const void *key)
+cfs_hash_bd_lookup_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+ const void *key)
{
return cfs_hash_bd_lookup_intent(hs, bd, key, NULL,
CFS_HS_LOOKUP_IT_FIND);
EXPORT_SYMBOL(cfs_hash_bd_lookup_locked);
struct hlist_node *
-cfs_hash_bd_peek_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd, const void *key)
+cfs_hash_bd_peek_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+ const void *key)
{
return cfs_hash_bd_lookup_intent(hs, bd, key, NULL,
CFS_HS_LOOKUP_IT_PEEK);
EXPORT_SYMBOL(cfs_hash_bd_peek_locked);
struct hlist_node *
-cfs_hash_bd_findadd_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bd_findadd_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
const void *key, struct hlist_node *hnode,
int noref)
{
EXPORT_SYMBOL(cfs_hash_bd_findadd_locked);
struct hlist_node *
-cfs_hash_bd_finddel_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bd_finddel_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
const void *key, struct hlist_node *hnode)
{
/* hnode can be NULL, we find the first item with @key */
EXPORT_SYMBOL(cfs_hash_bd_finddel_locked);
static void
-cfs_hash_multi_bd_lock(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_multi_bd_lock(struct cfs_hash *hs, struct cfs_hash_bd *bds,
unsigned n, int excl)
{
- cfs_hash_bucket_t *prev = NULL;
+ struct cfs_hash_bucket *prev = NULL;
int i;
/**
}
static void
-cfs_hash_multi_bd_unlock(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_multi_bd_unlock(struct cfs_hash *hs, struct cfs_hash_bd *bds,
unsigned n, int excl)
{
- cfs_hash_bucket_t *prev = NULL;
+ struct cfs_hash_bucket *prev = NULL;
int i;
cfs_hash_for_each_bd(bds, n, i) {
}
static struct hlist_node *
-cfs_hash_multi_bd_lookup_locked(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_multi_bd_lookup_locked(struct cfs_hash *hs, struct cfs_hash_bd *bds,
unsigned n, const void *key)
{
struct hlist_node *ehnode;
}
static struct hlist_node *
-cfs_hash_multi_bd_findadd_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bds, unsigned n, const void *key,
+cfs_hash_multi_bd_findadd_locked(struct cfs_hash *hs, struct cfs_hash_bd *bds,
+ unsigned n, const void *key,
struct hlist_node *hnode, int noref)
{
struct hlist_node *ehnode;
if (i == 1) { /* only one bucket */
cfs_hash_bd_add_locked(hs, &bds[0], hnode);
} else {
- cfs_hash_bd_t mybd;
+ struct cfs_hash_bd mybd;
cfs_hash_bd_get(hs, key, &mybd);
cfs_hash_bd_add_locked(hs, &mybd, hnode);
}
static struct hlist_node *
-cfs_hash_multi_bd_finddel_locked(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_multi_bd_finddel_locked(struct cfs_hash *hs, struct cfs_hash_bd *bds,
unsigned n, const void *key,
struct hlist_node *hnode)
{
}
static void
-cfs_hash_bd_order(cfs_hash_bd_t *bd1, cfs_hash_bd_t *bd2)
+cfs_hash_bd_order(struct cfs_hash_bd *bd1, struct cfs_hash_bd *bd2)
{
int rc;
bd2->bd_bucket = NULL;
} else if (rc > 0) { /* swab bd1 and bd2 */
- cfs_hash_bd_t tmp;
+ struct cfs_hash_bd tmp;
tmp = *bd2;
*bd2 = *bd1;
}
void
-cfs_hash_dual_bd_get(cfs_hash_t *hs, const void *key, cfs_hash_bd_t *bds)
+cfs_hash_dual_bd_get(struct cfs_hash *hs, const void *key,
+ struct cfs_hash_bd *bds)
{
/* NB: caller should hold hs_lock.rw if REHASH is set */
cfs_hash_bd_from_key(hs, hs->hs_buckets,
EXPORT_SYMBOL(cfs_hash_dual_bd_get);
void
-cfs_hash_dual_bd_lock(cfs_hash_t *hs, cfs_hash_bd_t *bds, int excl)
+cfs_hash_dual_bd_lock(struct cfs_hash *hs, struct cfs_hash_bd *bds, int excl)
{
cfs_hash_multi_bd_lock(hs, bds, 2, excl);
}
EXPORT_SYMBOL(cfs_hash_dual_bd_lock);
void
-cfs_hash_dual_bd_unlock(cfs_hash_t *hs, cfs_hash_bd_t *bds, int excl)
+cfs_hash_dual_bd_unlock(struct cfs_hash *hs, struct cfs_hash_bd *bds, int excl)
{
cfs_hash_multi_bd_unlock(hs, bds, 2, excl);
}
EXPORT_SYMBOL(cfs_hash_dual_bd_unlock);
struct hlist_node *
-cfs_hash_dual_bd_lookup_locked(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_dual_bd_lookup_locked(struct cfs_hash *hs, struct cfs_hash_bd *bds,
const void *key)
{
return cfs_hash_multi_bd_lookup_locked(hs, bds, 2, key);
EXPORT_SYMBOL(cfs_hash_dual_bd_lookup_locked);
struct hlist_node *
-cfs_hash_dual_bd_findadd_locked(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_dual_bd_findadd_locked(struct cfs_hash *hs, struct cfs_hash_bd *bds,
const void *key, struct hlist_node *hnode,
int noref)
{
EXPORT_SYMBOL(cfs_hash_dual_bd_findadd_locked);
struct hlist_node *
-cfs_hash_dual_bd_finddel_locked(cfs_hash_t *hs, cfs_hash_bd_t *bds,
+cfs_hash_dual_bd_finddel_locked(struct cfs_hash *hs, struct cfs_hash_bd *bds,
const void *key, struct hlist_node *hnode)
{
return cfs_hash_multi_bd_finddel_locked(hs, bds, 2, key, hnode);
EXPORT_SYMBOL(cfs_hash_dual_bd_finddel_locked);
static void
-cfs_hash_buckets_free(cfs_hash_bucket_t **buckets,
+cfs_hash_buckets_free(struct cfs_hash_bucket **buckets,
int bkt_size, int prev_size, int size)
{
int i;
* needed, the newly allocated buckets if allocation was needed and
* successful, and NULL on error.
*/
-static cfs_hash_bucket_t **
-cfs_hash_buckets_realloc(cfs_hash_t *hs, cfs_hash_bucket_t **old_bkts,
+static struct cfs_hash_bucket **
+cfs_hash_buckets_realloc(struct cfs_hash *hs, struct cfs_hash_bucket **old_bkts,
unsigned int old_size, unsigned int new_size)
{
- cfs_hash_bucket_t **new_bkts;
+ struct cfs_hash_bucket **new_bkts;
int i;
LASSERT(old_size == 0 || old_bkts != NULL);
for (i = old_size; i < new_size; i++) {
struct hlist_head *hhead;
- cfs_hash_bd_t bd;
+ struct cfs_hash_bd bd;
LIBCFS_ALLOC(new_bkts[i], cfs_hash_bkt_size(hs));
if (new_bkts[i] == NULL) {
#if CFS_HASH_DEBUG_LEVEL >= CFS_HASH_DEBUG_1
static int cfs_hash_dep_print(cfs_workitem_t *wi)
{
- cfs_hash_t *hs = container_of(wi, cfs_hash_t, hs_dep_wi);
+ struct cfs_hash *hs = container_of(wi, struct cfs_hash, hs_dep_wi);
int dep;
int bkt;
int off;
return 0;
}
-static void cfs_hash_depth_wi_init(cfs_hash_t *hs)
+static void cfs_hash_depth_wi_init(struct cfs_hash *hs)
{
spin_lock_init(&hs->hs_dep_lock);
cfs_wi_init(&hs->hs_dep_wi, hs, cfs_hash_dep_print);
}
-static void cfs_hash_depth_wi_cancel(cfs_hash_t *hs)
+static void cfs_hash_depth_wi_cancel(struct cfs_hash *hs)
{
if (cfs_wi_deschedule(cfs_sched_rehash, &hs->hs_dep_wi))
return;
#else /* CFS_HASH_DEBUG_LEVEL < CFS_HASH_DEBUG_1 */
-static inline void cfs_hash_depth_wi_init(cfs_hash_t *hs) {}
-static inline void cfs_hash_depth_wi_cancel(cfs_hash_t *hs) {}
+static inline void cfs_hash_depth_wi_init(struct cfs_hash *hs) {}
+static inline void cfs_hash_depth_wi_cancel(struct cfs_hash *hs) {}
#endif /* CFS_HASH_DEBUG_LEVEL >= CFS_HASH_DEBUG_1 */
-cfs_hash_t *
+struct cfs_hash *
cfs_hash_create(char *name, unsigned cur_bits, unsigned max_bits,
unsigned bkt_bits, unsigned extra_bytes,
unsigned min_theta, unsigned max_theta,
- cfs_hash_ops_t *ops, unsigned flags)
+ struct cfs_hash_ops *ops, unsigned flags)
{
- cfs_hash_t *hs;
+ struct cfs_hash *hs;
int len;
ENTRY;
len = (flags & CFS_HASH_BIGNAME) == 0 ?
CFS_HASH_NAME_LEN : CFS_HASH_BIGNAME_LEN;
- LIBCFS_ALLOC(hs, offsetof(cfs_hash_t, hs_name[len]));
+ LIBCFS_ALLOC(hs, offsetof(struct cfs_hash, hs_name[len]));
if (hs == NULL)
RETURN(NULL);
if (hs->hs_buckets != NULL)
return hs;
- LIBCFS_FREE(hs, offsetof(cfs_hash_t, hs_name[len]));
+ LIBCFS_FREE(hs, offsetof(struct cfs_hash, hs_name[len]));
RETURN(NULL);
}
EXPORT_SYMBOL(cfs_hash_create);
* Cleanup libcfs hash @hs.
*/
static void
-cfs_hash_destroy(cfs_hash_t *hs)
+cfs_hash_destroy(struct cfs_hash *hs)
{
struct hlist_node *hnode;
struct hlist_node *pos;
- cfs_hash_bd_t bd;
+ struct cfs_hash_bd bd;
int i;
ENTRY;
0, CFS_HASH_NBKT(hs));
i = cfs_hash_with_bigname(hs) ?
CFS_HASH_BIGNAME_LEN : CFS_HASH_NAME_LEN;
- LIBCFS_FREE(hs, offsetof(cfs_hash_t, hs_name[i]));
+ LIBCFS_FREE(hs, offsetof(struct cfs_hash, hs_name[i]));
EXIT;
}
-cfs_hash_t *cfs_hash_getref(cfs_hash_t *hs)
+struct cfs_hash *cfs_hash_getref(struct cfs_hash *hs)
{
if (atomic_inc_not_zero(&hs->hs_refcount))
return hs;
}
EXPORT_SYMBOL(cfs_hash_getref);
-void cfs_hash_putref(cfs_hash_t *hs)
+void cfs_hash_putref(struct cfs_hash *hs)
{
if (atomic_dec_and_test(&hs->hs_refcount))
cfs_hash_destroy(hs);
EXPORT_SYMBOL(cfs_hash_putref);
static inline int
-cfs_hash_rehash_bits(cfs_hash_t *hs)
+cfs_hash_rehash_bits(struct cfs_hash *hs)
{
if (cfs_hash_with_no_lock(hs) ||
!cfs_hash_with_rehash(hs))
* - too many elements
*/
static inline int
-cfs_hash_rehash_inline(cfs_hash_t *hs)
+cfs_hash_rehash_inline(struct cfs_hash *hs)
{
return !cfs_hash_with_nblk_change(hs) &&
atomic_read(&hs->hs_count) < CFS_HASH_LOOP_HOG;
* ops->hs_get function will be called when the item is added.
*/
void
-cfs_hash_add(cfs_hash_t *hs, const void *key, struct hlist_node *hnode)
+cfs_hash_add(struct cfs_hash *hs, const void *key, struct hlist_node *hnode)
{
- cfs_hash_bd_t bd;
+ struct cfs_hash_bd bd;
int bits;
LASSERT(hlist_unhashed(hnode));
EXPORT_SYMBOL(cfs_hash_add);
static struct hlist_node *
-cfs_hash_find_or_add(cfs_hash_t *hs, const void *key,
+cfs_hash_find_or_add(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode, int noref)
{
struct hlist_node *ehnode;
- cfs_hash_bd_t bds[2];
+ struct cfs_hash_bd bds[2];
int bits = 0;
LASSERT(hlist_unhashed(hnode));
* Returns 0 on success or -EALREADY on key collisions.
*/
int
-cfs_hash_add_unique(cfs_hash_t *hs, const void *key, struct hlist_node *hnode)
+cfs_hash_add_unique(struct cfs_hash *hs, const void *key,
+ struct hlist_node *hnode)
{
return cfs_hash_find_or_add(hs, key, hnode, 1) != hnode ?
-EALREADY : 0;
* Otherwise ops->hs_get is called on the item which was added.
*/
void *
-cfs_hash_findadd_unique(cfs_hash_t *hs, const void *key,
+cfs_hash_findadd_unique(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode)
{
hnode = cfs_hash_find_or_add(hs, key, hnode, 0);
* on the removed object.
*/
void *
-cfs_hash_del(cfs_hash_t *hs, const void *key, struct hlist_node *hnode)
+cfs_hash_del(struct cfs_hash *hs, const void *key, struct hlist_node *hnode)
{
void *obj = NULL;
int bits = 0;
- cfs_hash_bd_t bds[2];
+ struct cfs_hash_bd bds[2];
cfs_hash_lock(hs, 0);
cfs_hash_dual_bd_get_and_lock(hs, key, bds, 1);
* will be returned and ops->hs_put is called on the removed object.
*/
void *
-cfs_hash_del_key(cfs_hash_t *hs, const void *key)
+cfs_hash_del_key(struct cfs_hash *hs, const void *key)
{
return cfs_hash_del(hs, key, NULL);
}
* in the hash @hs NULL is returned.
*/
void *
-cfs_hash_lookup(cfs_hash_t *hs, const void *key)
+cfs_hash_lookup(struct cfs_hash *hs, const void *key)
{
void *obj = NULL;
struct hlist_node *hnode;
- cfs_hash_bd_t bds[2];
+ struct cfs_hash_bd bds[2];
cfs_hash_lock(hs, 0);
cfs_hash_dual_bd_get_and_lock(hs, key, bds, 0);
EXPORT_SYMBOL(cfs_hash_lookup);
static void
-cfs_hash_for_each_enter(cfs_hash_t *hs)
+cfs_hash_for_each_enter(struct cfs_hash *hs)
{
LASSERT(!cfs_hash_is_exiting(hs));
/*
* NB: it's race on cfs_has_t::hs_iterating, but doesn't matter
* because it's just an unreliable signal to rehash-thread,
- * rehash-thread will try to finsih rehash ASAP when seeing this.
+ * rehash-thread will try to finish rehash ASAP when seeing this.
*/
hs->hs_iterating = 1;
hs->hs_iterators++;
/* NB: iteration is mostly called by service thread,
- * we tend to cancel pending rehash-requst, instead of
+ * we tend to cancel pending rehash-request, instead of
* blocking service thread, we will relaunch rehash request
* after iteration */
if (cfs_hash_is_rehashing(hs))
}
static void
-cfs_hash_for_each_exit(cfs_hash_t *hs)
+cfs_hash_for_each_exit(struct cfs_hash *hs)
{
int remained;
int bits;
* cfs_hash_bd_del_locked
*/
static __u64
-cfs_hash_for_each_tight(cfs_hash_t *hs, cfs_hash_for_each_cb_t func,
+cfs_hash_for_each_tight(struct cfs_hash *hs, cfs_hash_for_each_cb_t func,
void *data, int remove_safe)
{
struct hlist_node *hnode;
struct hlist_node *pos;
- cfs_hash_bd_t bd;
+ struct cfs_hash_bd bd;
__u64 count = 0;
int excl = !!remove_safe;
int loop = 0;
RETURN(count);
}
-typedef struct {
+struct cfs_hash_cond_arg {
cfs_hash_cond_opt_cb_t func;
void *arg;
-} cfs_hash_cond_arg_t;
+};
static int
-cfs_hash_cond_del_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_cond_del_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode, void *data)
{
- cfs_hash_cond_arg_t *cond = data;
+ struct cfs_hash_cond_arg *cond = data;
if (cond->func(cfs_hash_object(hs, hnode), cond->arg))
cfs_hash_bd_del_locked(hs, bd, hnode);
* any object be reference.
*/
void
-cfs_hash_cond_del(cfs_hash_t *hs, cfs_hash_cond_opt_cb_t func, void *data)
+cfs_hash_cond_del(struct cfs_hash *hs, cfs_hash_cond_opt_cb_t func, void *data)
{
- cfs_hash_cond_arg_t arg = {
+ struct cfs_hash_cond_arg arg = {
.func = func,
.arg = data,
};
EXPORT_SYMBOL(cfs_hash_cond_del);
void
-cfs_hash_for_each(cfs_hash_t *hs,
+cfs_hash_for_each(struct cfs_hash *hs,
cfs_hash_for_each_cb_t func, void *data)
{
cfs_hash_for_each_tight(hs, func, data, 0);
EXPORT_SYMBOL(cfs_hash_for_each);
void
-cfs_hash_for_each_safe(cfs_hash_t *hs,
+cfs_hash_for_each_safe(struct cfs_hash *hs,
cfs_hash_for_each_cb_t func, void *data)
{
cfs_hash_for_each_tight(hs, func, data, 1);
EXPORT_SYMBOL(cfs_hash_for_each_safe);
static int
-cfs_hash_peek(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_peek(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode, void *data)
{
*(int *)data = 0;
}
int
-cfs_hash_is_empty(cfs_hash_t *hs)
+cfs_hash_is_empty(struct cfs_hash *hs)
{
int empty = 1;
EXPORT_SYMBOL(cfs_hash_is_empty);
__u64
-cfs_hash_size_get(cfs_hash_t *hs)
+cfs_hash_size_get(struct cfs_hash *hs)
{
return cfs_hash_with_counter(hs) ?
atomic_read(&hs->hs_count) :
* two cases, so iteration has to be stopped on change.
*/
static int
-cfs_hash_for_each_relax(cfs_hash_t *hs, cfs_hash_for_each_cb_t func, void *data)
+cfs_hash_for_each_relax(struct cfs_hash *hs, cfs_hash_for_each_cb_t func,
+ void *data)
{
- struct hlist_node *hnode;
- struct hlist_node *tmp;
- cfs_hash_bd_t bd;
- __u32 version;
- int count = 0;
- int stop_on_change;
- int rc;
- int i;
- ENTRY;
+ struct hlist_node *hnode;
+ struct hlist_node *tmp;
+ struct cfs_hash_bd bd;
+ __u32 version;
+ int count = 0;
+ int stop_on_change;
+ int rc;
+ int i;
+ ENTRY;
- stop_on_change = cfs_hash_with_rehash_key(hs) ||
- !cfs_hash_with_no_itemref(hs) ||
- CFS_HOP(hs, put_locked) == NULL;
- cfs_hash_lock(hs, 0);
- LASSERT(!cfs_hash_is_rehashing(hs));
+ stop_on_change = cfs_hash_with_rehash_key(hs) ||
+ !cfs_hash_with_no_itemref(hs) ||
+ hs->hs_ops->hs_put_locked == NULL;
+ cfs_hash_lock(hs, 0);
+ LASSERT(!cfs_hash_is_rehashing(hs));
cfs_hash_for_each_bucket(hs, &bd, i) {
struct hlist_head *hhead;
}
int
-cfs_hash_for_each_nolock(cfs_hash_t *hs,
+cfs_hash_for_each_nolock(struct cfs_hash *hs,
cfs_hash_for_each_cb_t func, void *data)
{
ENTRY;
!cfs_hash_with_no_itemref(hs))
RETURN(-EOPNOTSUPP);
- if (CFS_HOP(hs, get) == NULL ||
- (CFS_HOP(hs, put) == NULL &&
- CFS_HOP(hs, put_locked) == NULL))
- RETURN(-EOPNOTSUPP);
+ if (hs->hs_ops->hs_get == NULL ||
+ (hs->hs_ops->hs_put == NULL &&
+ hs->hs_ops->hs_put_locked == NULL))
+ RETURN(-EOPNOTSUPP);
cfs_hash_for_each_enter(hs);
cfs_hash_for_each_relax(hs, func, data);
* the required locking is in place to prevent concurrent insertions.
*/
int
-cfs_hash_for_each_empty(cfs_hash_t *hs,
+cfs_hash_for_each_empty(struct cfs_hash *hs,
cfs_hash_for_each_cb_t func, void *data)
{
unsigned i = 0;
if (cfs_hash_with_no_lock(hs))
return -EOPNOTSUPP;
- if (CFS_HOP(hs, get) == NULL ||
- (CFS_HOP(hs, put) == NULL &&
- CFS_HOP(hs, put_locked) == NULL))
- return -EOPNOTSUPP;
+ if (hs->hs_ops->hs_get == NULL ||
+ (hs->hs_ops->hs_put == NULL &&
+ hs->hs_ops->hs_put_locked == NULL))
+ return -EOPNOTSUPP;
cfs_hash_for_each_enter(hs);
while (cfs_hash_for_each_relax(hs, func, data)) {
EXPORT_SYMBOL(cfs_hash_for_each_empty);
void
-cfs_hash_hlist_for_each(cfs_hash_t *hs, unsigned hindex,
+cfs_hash_hlist_for_each(struct cfs_hash *hs, unsigned hindex,
cfs_hash_for_each_cb_t func, void *data)
{
struct hlist_head *hhead;
struct hlist_node *hnode;
- cfs_hash_bd_t bd;
+ struct cfs_hash_bd bd;
cfs_hash_for_each_enter(hs);
cfs_hash_lock(hs, 0);
* is held so the callback must never sleep.
*/
void
-cfs_hash_for_each_key(cfs_hash_t *hs, const void *key,
+cfs_hash_for_each_key(struct cfs_hash *hs, const void *key,
cfs_hash_for_each_cb_t func, void *data)
{
struct hlist_node *hnode;
- cfs_hash_bd_t bds[2];
+ struct cfs_hash_bd bds[2];
unsigned i;
cfs_hash_lock(hs, 0);
* theta thresholds for @hs are tunable via cfs_hash_set_theta().
*/
void
-cfs_hash_rehash_cancel_locked(cfs_hash_t *hs)
+cfs_hash_rehash_cancel_locked(struct cfs_hash *hs)
{
int i;
EXPORT_SYMBOL(cfs_hash_rehash_cancel_locked);
void
-cfs_hash_rehash_cancel(cfs_hash_t *hs)
+cfs_hash_rehash_cancel(struct cfs_hash *hs)
{
cfs_hash_lock(hs, 1);
cfs_hash_rehash_cancel_locked(hs);
EXPORT_SYMBOL(cfs_hash_rehash_cancel);
int
-cfs_hash_rehash(cfs_hash_t *hs, int do_rehash)
+cfs_hash_rehash(struct cfs_hash *hs, int do_rehash)
{
int rc;
EXPORT_SYMBOL(cfs_hash_rehash);
static int
-cfs_hash_rehash_bd(cfs_hash_t *hs, cfs_hash_bd_t *old)
+cfs_hash_rehash_bd(struct cfs_hash *hs, struct cfs_hash_bd *old)
{
- cfs_hash_bd_t new;
+ struct cfs_hash_bd new;
struct hlist_head *hhead;
struct hlist_node *hnode;
struct hlist_node *pos;
static int
cfs_hash_rehash_worker(cfs_workitem_t *wi)
{
- cfs_hash_t *hs = container_of(wi, cfs_hash_t, hs_rehash_wi);
- cfs_hash_bucket_t **bkts;
- cfs_hash_bd_t bd;
- unsigned int old_size;
- unsigned int new_size;
- int bsize;
- int count = 0;
- int rc = 0;
- int i;
+ struct cfs_hash *hs =
+ container_of(wi, struct cfs_hash, hs_rehash_wi);
+ struct cfs_hash_bucket **bkts;
+ struct cfs_hash_bd bd;
+ unsigned int old_size;
+ unsigned int new_size;
+ int bsize;
+ int count = 0;
+ int rc = 0;
+ int i;
- LASSERT (hs != NULL && cfs_hash_with_rehash(hs));
+ LASSERT(hs != NULL && cfs_hash_with_rehash(hs));
cfs_hash_lock(hs, 0);
LASSERT(cfs_hash_is_rehashing(hs));
if (bkts != NULL)
cfs_hash_buckets_free(bkts, bsize, new_size, old_size);
if (rc != 0)
- CDEBUG(D_INFO, "early quit of of rehashing: %d\n", rc);
+ CDEBUG(D_INFO, "early quit of rehashing: %d\n", rc);
/* return 1 only if cfs_wi_exit is called */
return rc == -ESRCH;
}
* the registered cfs_hash_get() and cfs_hash_put() functions will
* not be called.
*/
-void cfs_hash_rehash_key(cfs_hash_t *hs, const void *old_key,
+void cfs_hash_rehash_key(struct cfs_hash *hs, const void *old_key,
void *new_key, struct hlist_node *hnode)
{
- cfs_hash_bd_t bds[3];
- cfs_hash_bd_t old_bds[2];
- cfs_hash_bd_t new_bd;
+ struct cfs_hash_bd bds[3];
+ struct cfs_hash_bd old_bds[2];
+ struct cfs_hash_bd new_bd;
LASSERT(!hlist_unhashed(hnode));
}
EXPORT_SYMBOL(cfs_hash_debug_header);
-static cfs_hash_bucket_t **
-cfs_hash_full_bkts(cfs_hash_t *hs)
+static struct cfs_hash_bucket **
+cfs_hash_full_bkts(struct cfs_hash *hs)
{
/* NB: caller should hold hs->hs_rwlock if REHASH is set */
if (hs->hs_rehash_buckets == NULL)
}
static unsigned int
-cfs_hash_full_nbkt(cfs_hash_t *hs)
+cfs_hash_full_nbkt(struct cfs_hash *hs)
{
/* NB: caller should hold hs->hs_rwlock if REHASH is set */
if (hs->hs_rehash_buckets == NULL)
CFS_HASH_RH_NBKT(hs) : CFS_HASH_NBKT(hs);
}
-int cfs_hash_debug_str(cfs_hash_t *hs, struct seq_file *m)
+int cfs_hash_debug_str(struct cfs_hash *hs, struct seq_file *m)
{
int dist[8] = { 0, };
int maxdep = -1;
* Non-Uniform hash distribution: 128/125/0/0/0/0/2/1
*/
for (i = 0; i < cfs_hash_full_nbkt(hs); i++) {
- cfs_hash_bd_t bd;
+ struct cfs_hash_bd bd;
bd.bd_bucket = cfs_hash_full_bkts(hs)[i];
cfs_hash_bd_lock(hs, &bd, 0);
if (maxdep < bd.bd_bucket->hsb_depmax) {
maxdep = bd.bd_bucket->hsb_depmax;
-#ifdef __KERNEL__
maxdepb = ffz(~maxdep);
-#endif
}
total += bd.bd_bucket->hsb_count;
dist[min(fls(bd.bd_bucket->hsb_count/max(theta,1)),7)]++;