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path: root/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
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Diffstat (limited to 'drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h')
-rw-r--r--drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h264
1 files changed, 132 insertions, 132 deletions
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
index 98f5be243c8..9d5ee1a69c0 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h
@@ -81,10 +81,10 @@ struct cfs_hash_ops;
struct cfs_hash_lock_ops;
struct cfs_hash_hlist_ops;
-typedef union {
+union cfs_hash_lock {
rwlock_t rw; /**< rwlock */
spinlock_t spin; /**< spinlock */
-} cfs_hash_lock_t;
+};
/**
* cfs_hash_bucket is a container of:
@@ -97,22 +97,22 @@ typedef union {
* which depends on requirement of user
* - some extra bytes (caller can require it while creating hash)
*/
-typedef struct cfs_hash_bucket {
- cfs_hash_lock_t hsb_lock; /**< bucket lock */
+struct cfs_hash_bucket {
+ union cfs_hash_lock hsb_lock; /**< bucket lock */
__u32 hsb_count; /**< current entries */
__u32 hsb_version; /**< change version */
unsigned int hsb_index; /**< index of bucket */
int hsb_depmax; /**< max depth on bucket */
long hsb_head[0]; /**< hash-head array */
-} cfs_hash_bucket_t;
+};
/**
* cfs_hash bucket descriptor, it's normally in stack of caller
*/
-typedef struct cfs_hash_bd {
- cfs_hash_bucket_t *bd_bucket; /**< address of bucket */
+struct cfs_hash_bd {
+ struct cfs_hash_bucket *bd_bucket; /**< address of bucket */
unsigned int bd_offset; /**< offset in bucket */
-} cfs_hash_bd_t;
+};
#define CFS_HASH_NAME_LEN 16 /**< default name length */
#define CFS_HASH_BIGNAME_LEN 64 /**< bigname for param tree */
@@ -210,10 +210,10 @@ enum cfs_hash_tag {
* locations; additions must take care to only insert into the new bucket.
*/
-typedef struct cfs_hash {
+struct cfs_hash {
/** serialize with rehash, or serialize all operations if
* the hash-table has CFS_HASH_NO_BKTLOCK */
- cfs_hash_lock_t hs_lock;
+ union cfs_hash_lock hs_lock;
/** hash operations */
struct cfs_hash_ops *hs_ops;
/** hash lock operations */
@@ -221,7 +221,7 @@ typedef struct cfs_hash {
/** hash list operations */
struct cfs_hash_hlist_ops *hs_hops;
/** hash buckets-table */
- cfs_hash_bucket_t **hs_buckets;
+ struct cfs_hash_bucket **hs_buckets;
/** total number of items on this hash-table */
atomic_t hs_count;
/** hash flags, see cfs_hash_tag for detail */
@@ -255,7 +255,7 @@ typedef struct cfs_hash {
/** refcount on this hash table */
atomic_t hs_refcount;
/** rehash buckets-table */
- cfs_hash_bucket_t **hs_rehash_buckets;
+ struct cfs_hash_bucket **hs_rehash_buckets;
#if CFS_HASH_DEBUG_LEVEL >= CFS_HASH_DEBUG_1
/** serialize debug members */
spinlock_t hs_dep_lock;
@@ -272,35 +272,35 @@ typedef struct cfs_hash {
#endif
/** name of htable */
char hs_name[0];
-} cfs_hash_t;
+};
typedef struct cfs_hash_lock_ops {
/** lock the hash table */
- void (*hs_lock)(cfs_hash_lock_t *lock, int exclusive);
+ void (*hs_lock)(union cfs_hash_lock *lock, int exclusive);
/** unlock the hash table */
- void (*hs_unlock)(cfs_hash_lock_t *lock, int exclusive);
+ void (*hs_unlock)(union cfs_hash_lock *lock, int exclusive);
/** lock the hash bucket */
- void (*hs_bkt_lock)(cfs_hash_lock_t *lock, int exclusive);
+ void (*hs_bkt_lock)(union cfs_hash_lock *lock, int exclusive);
/** unlock the hash bucket */
- void (*hs_bkt_unlock)(cfs_hash_lock_t *lock, int exclusive);
+ void (*hs_bkt_unlock)(union cfs_hash_lock *lock, int exclusive);
} cfs_hash_lock_ops_t;
typedef struct cfs_hash_hlist_ops {
/** return hlist_head of hash-head of @bd */
- struct hlist_head *(*hop_hhead)(cfs_hash_t *hs, cfs_hash_bd_t *bd);
+ struct hlist_head *(*hop_hhead)(struct cfs_hash *hs, struct cfs_hash_bd *bd);
/** return hash-head size */
- int (*hop_hhead_size)(cfs_hash_t *hs);
+ int (*hop_hhead_size)(struct cfs_hash *hs);
/** add @hnode to hash-head of @bd */
- int (*hop_hnode_add)(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, struct hlist_node *hnode);
+ int (*hop_hnode_add)(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, struct hlist_node *hnode);
/** remove @hnode from hash-head of @bd */
- int (*hop_hnode_del)(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, struct hlist_node *hnode);
+ int (*hop_hnode_del)(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, struct hlist_node *hnode);
} cfs_hash_hlist_ops_t;
typedef struct cfs_hash_ops {
/** return hashed value from @key */
- unsigned (*hs_hash)(cfs_hash_t *hs, const void *key, unsigned mask);
+ unsigned (*hs_hash)(struct cfs_hash *hs, const void *key, unsigned mask);
/** return key address of @hnode */
void * (*hs_key)(struct hlist_node *hnode);
/** copy key from @hnode to @key */
@@ -313,13 +313,13 @@ typedef struct cfs_hash_ops {
/** return object address of @hnode, i.e: container_of(...hnode) */
void * (*hs_object)(struct hlist_node *hnode);
/** get refcount of item, always called with holding bucket-lock */
- void (*hs_get)(cfs_hash_t *hs, struct hlist_node *hnode);
+ void (*hs_get)(struct cfs_hash *hs, struct hlist_node *hnode);
/** release refcount of item */
- void (*hs_put)(cfs_hash_t *hs, struct hlist_node *hnode);
+ void (*hs_put)(struct cfs_hash *hs, struct hlist_node *hnode);
/** release refcount of item, always called with holding bucket-lock */
- void (*hs_put_locked)(cfs_hash_t *hs, struct hlist_node *hnode);
+ void (*hs_put_locked)(struct cfs_hash *hs, struct hlist_node *hnode);
/** it's called before removing of @hnode */
- void (*hs_exit)(cfs_hash_t *hs, struct hlist_node *hnode);
+ void (*hs_exit)(struct cfs_hash *hs, struct hlist_node *hnode);
} cfs_hash_ops_t;
/** total number of buckets in @hs */
@@ -340,41 +340,41 @@ typedef struct cfs_hash_ops {
#define CFS_HASH_RH_NHLIST(hs) (1U << (hs)->hs_rehash_bits)
static inline int
-cfs_hash_with_no_lock(cfs_hash_t *hs)
+cfs_hash_with_no_lock(struct cfs_hash *hs)
{
/* caller will serialize all operations for this hash-table */
return (hs->hs_flags & CFS_HASH_NO_LOCK) != 0;
}
static inline int
-cfs_hash_with_no_bktlock(cfs_hash_t *hs)
+cfs_hash_with_no_bktlock(struct cfs_hash *hs)
{
/* no bucket lock, one single lock to protect the hash-table */
return (hs->hs_flags & CFS_HASH_NO_BKTLOCK) != 0;
}
static inline int
-cfs_hash_with_rw_bktlock(cfs_hash_t *hs)
+cfs_hash_with_rw_bktlock(struct cfs_hash *hs)
{
/* rwlock to protect hash bucket */
return (hs->hs_flags & CFS_HASH_RW_BKTLOCK) != 0;
}
static inline int
-cfs_hash_with_spin_bktlock(cfs_hash_t *hs)
+cfs_hash_with_spin_bktlock(struct cfs_hash *hs)
{
/* spinlock to protect hash bucket */
return (hs->hs_flags & CFS_HASH_SPIN_BKTLOCK) != 0;
}
static inline int
-cfs_hash_with_add_tail(cfs_hash_t *hs)
+cfs_hash_with_add_tail(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_ADD_TAIL) != 0;
}
static inline int
-cfs_hash_with_no_itemref(cfs_hash_t *hs)
+cfs_hash_with_no_itemref(struct cfs_hash *hs)
{
/* hash-table doesn't keep refcount on item,
* item can't be removed from hash unless it's
@@ -383,75 +383,75 @@ cfs_hash_with_no_itemref(cfs_hash_t *hs)
}
static inline int
-cfs_hash_with_bigname(cfs_hash_t *hs)
+cfs_hash_with_bigname(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_BIGNAME) != 0;
}
static inline int
-cfs_hash_with_counter(cfs_hash_t *hs)
+cfs_hash_with_counter(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_COUNTER) != 0;
}
static inline int
-cfs_hash_with_rehash(cfs_hash_t *hs)
+cfs_hash_with_rehash(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_REHASH) != 0;
}
static inline int
-cfs_hash_with_rehash_key(cfs_hash_t *hs)
+cfs_hash_with_rehash_key(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_REHASH_KEY) != 0;
}
static inline int
-cfs_hash_with_shrink(cfs_hash_t *hs)
+cfs_hash_with_shrink(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_SHRINK) != 0;
}
static inline int
-cfs_hash_with_assert_empty(cfs_hash_t *hs)
+cfs_hash_with_assert_empty(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_ASSERT_EMPTY) != 0;
}
static inline int
-cfs_hash_with_depth(cfs_hash_t *hs)
+cfs_hash_with_depth(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_DEPTH) != 0;
}
static inline int
-cfs_hash_with_nblk_change(cfs_hash_t *hs)
+cfs_hash_with_nblk_change(struct cfs_hash *hs)
{
return (hs->hs_flags & CFS_HASH_NBLK_CHANGE) != 0;
}
static inline int
-cfs_hash_is_exiting(cfs_hash_t *hs)
+cfs_hash_is_exiting(struct cfs_hash *hs)
{ /* cfs_hash_destroy is called */
return hs->hs_exiting;
}
static inline int
-cfs_hash_is_rehashing(cfs_hash_t *hs)
+cfs_hash_is_rehashing(struct cfs_hash *hs)
{ /* rehash is launched */
return hs->hs_rehash_bits != 0;
}
static inline int
-cfs_hash_is_iterating(cfs_hash_t *hs)
+cfs_hash_is_iterating(struct cfs_hash *hs)
{ /* someone is calling cfs_hash_for_each_* */
return hs->hs_iterating || hs->hs_iterators != 0;
}
static inline int
-cfs_hash_bkt_size(cfs_hash_t *hs)
+cfs_hash_bkt_size(struct cfs_hash *hs)
{
- return offsetof(cfs_hash_bucket_t, hsb_head[0]) +
+ return offsetof(struct cfs_hash_bucket, hsb_head[0]) +
hs->hs_hops->hop_hhead_size(hs) * CFS_HASH_BKT_NHLIST(hs) +
hs->hs_extra_bytes;
}
@@ -459,19 +459,19 @@ cfs_hash_bkt_size(cfs_hash_t *hs)
#define CFS_HOP(hs, op) (hs)->hs_ops->hs_ ## op
static inline unsigned
-cfs_hash_id(cfs_hash_t *hs, const void *key, unsigned mask)
+cfs_hash_id(struct cfs_hash *hs, const void *key, unsigned mask)
{
return CFS_HOP(hs, hash)(hs, key, mask);
}
static inline void *
-cfs_hash_key(cfs_hash_t *hs, struct hlist_node *hnode)
+cfs_hash_key(struct cfs_hash *hs, struct hlist_node *hnode)
{
return CFS_HOP(hs, key)(hnode);
}
static inline void
-cfs_hash_keycpy(cfs_hash_t *hs, struct hlist_node *hnode, void *key)
+cfs_hash_keycpy(struct cfs_hash *hs, struct hlist_node *hnode, void *key)
{
if (CFS_HOP(hs, keycpy) != NULL)
CFS_HOP(hs, keycpy)(hnode, key);
@@ -481,25 +481,25 @@ cfs_hash_keycpy(cfs_hash_t *hs, struct hlist_node *hnode, void *key)
* Returns 1 on a match,
*/
static inline int
-cfs_hash_keycmp(cfs_hash_t *hs, const void *key, struct hlist_node *hnode)
+cfs_hash_keycmp(struct cfs_hash *hs, const void *key, struct hlist_node *hnode)
{
return CFS_HOP(hs, keycmp)(key, hnode);
}
static inline void *
-cfs_hash_object(cfs_hash_t *hs, struct hlist_node *hnode)
+cfs_hash_object(struct cfs_hash *hs, struct hlist_node *hnode)
{
return CFS_HOP(hs, object)(hnode);
}
static inline void
-cfs_hash_get(cfs_hash_t *hs, struct hlist_node *hnode)
+cfs_hash_get(struct cfs_hash *hs, struct hlist_node *hnode)
{
return CFS_HOP(hs, get)(hs, hnode);
}
static inline void
-cfs_hash_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
+cfs_hash_put_locked(struct cfs_hash *hs, struct hlist_node *hnode)
{
LASSERT(CFS_HOP(hs, put_locked) != NULL);
@@ -507,7 +507,7 @@ cfs_hash_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
}
static inline void
-cfs_hash_put(cfs_hash_t *hs, struct hlist_node *hnode)
+cfs_hash_put(struct cfs_hash *hs, struct hlist_node *hnode)
{
LASSERT(CFS_HOP(hs, put) != NULL);
@@ -515,37 +515,37 @@ cfs_hash_put(cfs_hash_t *hs, struct hlist_node *hnode)
}
static inline void
-cfs_hash_exit(cfs_hash_t *hs, struct hlist_node *hnode)
+cfs_hash_exit(struct cfs_hash *hs, struct hlist_node *hnode)
{
if (CFS_HOP(hs, exit))
CFS_HOP(hs, exit)(hs, hnode);
}
-static inline void cfs_hash_lock(cfs_hash_t *hs, int excl)
+static inline void cfs_hash_lock(struct cfs_hash *hs, int excl)
{
hs->hs_lops->hs_lock(&hs->hs_lock, excl);
}
-static inline void cfs_hash_unlock(cfs_hash_t *hs, int excl)
+static inline void cfs_hash_unlock(struct cfs_hash *hs, int excl)
{
hs->hs_lops->hs_unlock(&hs->hs_lock, excl);
}
-static inline int cfs_hash_dec_and_lock(cfs_hash_t *hs,
+static inline int cfs_hash_dec_and_lock(struct cfs_hash *hs,
atomic_t *condition)
{
LASSERT(cfs_hash_with_no_bktlock(hs));
return atomic_dec_and_lock(condition, &hs->hs_lock.spin);
}
-static inline void cfs_hash_bd_lock(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, int excl)
+static inline void cfs_hash_bd_lock(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, int excl)
{
hs->hs_lops->hs_bkt_lock(&bd->bd_bucket->hsb_lock, excl);
}
-static inline void cfs_hash_bd_unlock(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, int excl)
+static inline void cfs_hash_bd_unlock(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, int excl)
{
hs->hs_lops->hs_bkt_unlock(&bd->bd_bucket->hsb_lock, excl);
}
@@ -554,56 +554,56 @@ static inline void cfs_hash_bd_unlock(cfs_hash_t *hs,
* operations on cfs_hash bucket (bd: bucket descriptor),
* they are normally for hash-table without rehash
*/
-void cfs_hash_bd_get(cfs_hash_t *hs, const void *key, cfs_hash_bd_t *bd);
+void cfs_hash_bd_get(struct cfs_hash *hs, const void *key, struct cfs_hash_bd *bd);
-static inline void cfs_hash_bd_get_and_lock(cfs_hash_t *hs, const void *key,
- cfs_hash_bd_t *bd, int excl)
+static inline void cfs_hash_bd_get_and_lock(struct cfs_hash *hs, const void *key,
+ struct cfs_hash_bd *bd, int excl)
{
cfs_hash_bd_get(hs, key, bd);
cfs_hash_bd_lock(hs, bd, excl);
}
-static inline unsigned cfs_hash_bd_index_get(cfs_hash_t *hs, cfs_hash_bd_t *bd)
+static inline unsigned cfs_hash_bd_index_get(struct cfs_hash *hs, struct cfs_hash_bd *bd)
{
return bd->bd_offset | (bd->bd_bucket->hsb_index << hs->hs_bkt_bits);
}
-static inline void cfs_hash_bd_index_set(cfs_hash_t *hs,
- unsigned index, cfs_hash_bd_t *bd)
+static inline void cfs_hash_bd_index_set(struct cfs_hash *hs,
+ unsigned index, struct cfs_hash_bd *bd)
{
bd->bd_bucket = hs->hs_buckets[index >> hs->hs_bkt_bits];
bd->bd_offset = index & (CFS_HASH_BKT_NHLIST(hs) - 1U);
}
static inline void *
-cfs_hash_bd_extra_get(cfs_hash_t *hs, cfs_hash_bd_t *bd)
+cfs_hash_bd_extra_get(struct cfs_hash *hs, struct cfs_hash_bd *bd)
{
return (void *)bd->bd_bucket +
cfs_hash_bkt_size(hs) - hs->hs_extra_bytes;
}
static inline __u32
-cfs_hash_bd_version_get(cfs_hash_bd_t *bd)
+cfs_hash_bd_version_get(struct cfs_hash_bd *bd)
{
/* need hold cfs_hash_bd_lock */
return bd->bd_bucket->hsb_version;
}
static inline __u32
-cfs_hash_bd_count_get(cfs_hash_bd_t *bd)
+cfs_hash_bd_count_get(struct cfs_hash_bd *bd)
{
/* need hold cfs_hash_bd_lock */
return bd->bd_bucket->hsb_count;
}
static inline int
-cfs_hash_bd_depmax_get(cfs_hash_bd_t *bd)
+cfs_hash_bd_depmax_get(struct cfs_hash_bd *bd)
{
return bd->bd_bucket->hsb_depmax;
}
static inline int
-cfs_hash_bd_compare(cfs_hash_bd_t *bd1, cfs_hash_bd_t *bd2)
+cfs_hash_bd_compare(struct cfs_hash_bd *bd1, struct cfs_hash_bd *bd2)
{
if (bd1->bd_bucket->hsb_index != bd2->bd_bucket->hsb_index)
return bd1->bd_bucket->hsb_index - bd2->bd_bucket->hsb_index;
@@ -614,14 +614,14 @@ cfs_hash_bd_compare(cfs_hash_bd_t *bd1, cfs_hash_bd_t *bd2)
return 0;
}
-void cfs_hash_bd_add_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+void cfs_hash_bd_add_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode);
-void cfs_hash_bd_del_locked(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+void cfs_hash_bd_del_locked(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode);
-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);
+void 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);
-static inline int cfs_hash_bd_dec_and_lock(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+static inline int cfs_hash_bd_dec_and_lock(struct cfs_hash *hs, struct cfs_hash_bd *bd,
atomic_t *condition)
{
LASSERT(cfs_hash_with_spin_bktlock(hs));
@@ -629,109 +629,109 @@ static inline int cfs_hash_bd_dec_and_lock(cfs_hash_t *hs, cfs_hash_bd_t *bd,
&bd->bd_bucket->hsb_lock.spin);
}
-static inline struct hlist_head *cfs_hash_bd_hhead(cfs_hash_t *hs,
- cfs_hash_bd_t *bd)
+static inline struct hlist_head *cfs_hash_bd_hhead(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd)
{
return hs->hs_hops->hop_hhead(hs, bd);
}
-struct hlist_node *cfs_hash_bd_lookup_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, const void *key);
-struct hlist_node *cfs_hash_bd_peek_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, const void *key);
-struct hlist_node *cfs_hash_bd_findadd_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, const void *key,
+struct hlist_node *cfs_hash_bd_lookup_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, const void *key);
+struct hlist_node *cfs_hash_bd_peek_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, const void *key);
+struct hlist_node *cfs_hash_bd_findadd_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, const void *key,
struct hlist_node *hnode,
int insist_add);
-struct hlist_node *cfs_hash_bd_finddel_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bd, const void *key,
+struct hlist_node *cfs_hash_bd_finddel_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bd, const void *key,
struct hlist_node *hnode);
/**
* operations on cfs_hash bucket (bd: bucket descriptor),
* they are safe for hash-table with rehash
*/
-void cfs_hash_dual_bd_get(cfs_hash_t *hs, const void *key, cfs_hash_bd_t *bds);
-void cfs_hash_dual_bd_lock(cfs_hash_t *hs, cfs_hash_bd_t *bds, int excl);
-void cfs_hash_dual_bd_unlock(cfs_hash_t *hs, cfs_hash_bd_t *bds, int excl);
+void cfs_hash_dual_bd_get(struct cfs_hash *hs, const void *key, struct cfs_hash_bd *bds);
+void cfs_hash_dual_bd_lock(struct cfs_hash *hs, struct cfs_hash_bd *bds, int excl);
+void cfs_hash_dual_bd_unlock(struct cfs_hash *hs, struct cfs_hash_bd *bds, int excl);
-static inline void cfs_hash_dual_bd_get_and_lock(cfs_hash_t *hs, const void *key,
- cfs_hash_bd_t *bds, int excl)
+static inline void cfs_hash_dual_bd_get_and_lock(struct cfs_hash *hs, const void *key,
+ struct cfs_hash_bd *bds, int excl)
{
cfs_hash_dual_bd_get(hs, key, bds);
cfs_hash_dual_bd_lock(hs, bds, excl);
}
-struct hlist_node *cfs_hash_dual_bd_lookup_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bds,
+struct hlist_node *cfs_hash_dual_bd_lookup_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bds,
const void *key);
-struct hlist_node *cfs_hash_dual_bd_findadd_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bds,
+struct hlist_node *cfs_hash_dual_bd_findadd_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bds,
const void *key,
struct hlist_node *hnode,
int insist_add);
-struct hlist_node *cfs_hash_dual_bd_finddel_locked(cfs_hash_t *hs,
- cfs_hash_bd_t *bds,
+struct hlist_node *cfs_hash_dual_bd_finddel_locked(struct cfs_hash *hs,
+ struct cfs_hash_bd *bds,
const void *key,
struct hlist_node *hnode);
/* Hash init/cleanup functions */
-cfs_hash_t *cfs_hash_create(char *name, unsigned cur_bits, unsigned max_bits,
+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);
-cfs_hash_t *cfs_hash_getref(cfs_hash_t *hs);
-void cfs_hash_putref(cfs_hash_t *hs);
+struct cfs_hash *cfs_hash_getref(struct cfs_hash *hs);
+void cfs_hash_putref(struct cfs_hash *hs);
/* Hash addition functions */
-void cfs_hash_add(cfs_hash_t *hs, const void *key,
+void cfs_hash_add(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode);
-int cfs_hash_add_unique(cfs_hash_t *hs, const void *key,
+int cfs_hash_add_unique(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode);
-void *cfs_hash_findadd_unique(cfs_hash_t *hs, const void *key,
+void *cfs_hash_findadd_unique(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode);
/* Hash deletion functions */
-void *cfs_hash_del(cfs_hash_t *hs, const void *key, struct hlist_node *hnode);
-void *cfs_hash_del_key(cfs_hash_t *hs, const void *key);
+void *cfs_hash_del(struct cfs_hash *hs, const void *key, struct hlist_node *hnode);
+void *cfs_hash_del_key(struct cfs_hash *hs, const void *key);
/* Hash lookup/for_each functions */
#define CFS_HASH_LOOP_HOG 1024
-typedef int (*cfs_hash_for_each_cb_t)(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+typedef int (*cfs_hash_for_each_cb_t)(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *node, void *data);
-void *cfs_hash_lookup(cfs_hash_t *hs, const void *key);
-void cfs_hash_for_each(cfs_hash_t *hs, cfs_hash_for_each_cb_t, void *data);
-void cfs_hash_for_each_safe(cfs_hash_t *hs, cfs_hash_for_each_cb_t, void *data);
-int cfs_hash_for_each_nolock(cfs_hash_t *hs,
+void *cfs_hash_lookup(struct cfs_hash *hs, const void *key);
+void cfs_hash_for_each(struct cfs_hash *hs, cfs_hash_for_each_cb_t, void *data);
+void cfs_hash_for_each_safe(struct cfs_hash *hs, cfs_hash_for_each_cb_t, void *data);
+int cfs_hash_for_each_nolock(struct cfs_hash *hs,
cfs_hash_for_each_cb_t, void *data);
-int cfs_hash_for_each_empty(cfs_hash_t *hs,
+int cfs_hash_for_each_empty(struct cfs_hash *hs,
cfs_hash_for_each_cb_t, void *data);
-void cfs_hash_for_each_key(cfs_hash_t *hs, const void *key,
+void cfs_hash_for_each_key(struct cfs_hash *hs, const void *key,
cfs_hash_for_each_cb_t, void *data);
typedef int (*cfs_hash_cond_opt_cb_t)(void *obj, void *data);
-void cfs_hash_cond_del(cfs_hash_t *hs, cfs_hash_cond_opt_cb_t, void *data);
+void cfs_hash_cond_del(struct cfs_hash *hs, cfs_hash_cond_opt_cb_t, void *data);
-void cfs_hash_hlist_for_each(cfs_hash_t *hs, unsigned hindex,
+void cfs_hash_hlist_for_each(struct cfs_hash *hs, unsigned hindex,
cfs_hash_for_each_cb_t, void *data);
-int cfs_hash_is_empty(cfs_hash_t *hs);
-__u64 cfs_hash_size_get(cfs_hash_t *hs);
+int cfs_hash_is_empty(struct cfs_hash *hs);
+__u64 cfs_hash_size_get(struct cfs_hash *hs);
/*
* Rehash - Theta is calculated to be the average chained
* hash depth assuming a perfectly uniform hash function.
*/
-void cfs_hash_rehash_cancel_locked(cfs_hash_t *hs);
-void cfs_hash_rehash_cancel(cfs_hash_t *hs);
-int cfs_hash_rehash(cfs_hash_t *hs, int do_rehash);
-void cfs_hash_rehash_key(cfs_hash_t *hs, const void *old_key,
+void cfs_hash_rehash_cancel_locked(struct cfs_hash *hs);
+void cfs_hash_rehash_cancel(struct cfs_hash *hs);
+int cfs_hash_rehash(struct cfs_hash *hs, int do_rehash);
+void cfs_hash_rehash_key(struct cfs_hash *hs, const void *old_key,
void *new_key, struct hlist_node *hnode);
#if CFS_HASH_DEBUG_LEVEL > CFS_HASH_DEBUG_1
/* Validate hnode references the correct key */
static inline void
-cfs_hash_key_validate(cfs_hash_t *hs, const void *key,
+cfs_hash_key_validate(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode)
{
LASSERT(cfs_hash_keycmp(hs, key, hnode));
@@ -739,10 +739,10 @@ cfs_hash_key_validate(cfs_hash_t *hs, const void *key,
/* Validate hnode is in the correct bucket */
static inline void
-cfs_hash_bucket_validate(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bucket_validate(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode)
{
- cfs_hash_bd_t bds[2];
+ struct cfs_hash_bd bds[2];
cfs_hash_dual_bd_get(hs, cfs_hash_key(hs, hnode), bds);
LASSERT(bds[0].bd_bucket == bd->bd_bucket ||
@@ -752,11 +752,11 @@ cfs_hash_bucket_validate(cfs_hash_t *hs, cfs_hash_bd_t *bd,
#else /* CFS_HASH_DEBUG_LEVEL > CFS_HASH_DEBUG_1 */
static inline void
-cfs_hash_key_validate(cfs_hash_t *hs, const void *key,
+cfs_hash_key_validate(struct cfs_hash *hs, const void *key,
struct hlist_node *hnode) {}
static inline void
-cfs_hash_bucket_validate(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+cfs_hash_bucket_validate(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode) {}
#endif /* CFS_HASH_DEBUG_LEVEL */
@@ -778,13 +778,13 @@ static inline int __cfs_hash_theta_frac(int theta)
(__cfs_hash_theta_int(theta) * 1000);
}
-static inline int __cfs_hash_theta(cfs_hash_t *hs)
+static inline int __cfs_hash_theta(struct cfs_hash *hs)
{
return (atomic_read(&hs->hs_count) <<
CFS_HASH_THETA_BITS) >> hs->hs_cur_bits;
}
-static inline void __cfs_hash_set_theta(cfs_hash_t *hs, int min, int max)
+static inline void __cfs_hash_set_theta(struct cfs_hash *hs, int min, int max)
{
LASSERT(min < max);
hs->hs_min_theta = (__u16)min;
@@ -794,7 +794,7 @@ static inline void __cfs_hash_set_theta(cfs_hash_t *hs, int min, int max)
/* Generic debug formatting routines mainly for proc handler */
struct seq_file;
int cfs_hash_debug_header(struct seq_file *m);
-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);
/*
* Generic djb2 hash algorithm for character arrays.
@@ -830,7 +830,7 @@ cfs_hash_u64_hash(const __u64 key, unsigned mask)
return ((unsigned)(key * CFS_GOLDEN_RATIO_PRIME_64) & mask);
}
-/** iterate over all buckets in @bds (array of cfs_hash_bd_t) */
+/** iterate over all buckets in @bds (array of struct cfs_hash_bd) */
#define cfs_hash_for_each_bd(bds, n, i) \
for (i = 0; i < n && (bds)[i].bd_bucket != NULL; i++)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 06:30:56 +0000