#define OBD_LDLM_DEVICENAME "ldlm"
-#define LDLM_DEFAULT_LRU_SIZE (100 * smp_num_cpus)
+#define LDLM_DEFAULT_LRU_SIZE (100 * num_online_cpus())
+#define LDLM_DEFAULT_MAX_ALIVE (cfs_time_seconds(36000))
typedef enum {
ELDLM_OK = 0,
ELDLM_BAD_NAMESPACE = 401
} ldlm_error_t;
-#define LDLM_NAMESPACE_SERVER 0
-#define LDLM_NAMESPACE_CLIENT 1
+typedef enum {
+ LDLM_NAMESPACE_SERVER = 0,
+ LDLM_NAMESPACE_CLIENT = 1
+} ldlm_side_t;
#define LDLM_FL_LOCK_CHANGED 0x000001 /* extent, mode, or resource changed */
* w/o involving separate thread. in order to decrease cs rate */
#define LDLM_FL_ATOMIC_CB 0x4000000
-/* while this flag is set, the lock can't change resource */
-#define LDLM_FL_LOCK_PROTECT 0x8000000
-#define LDLM_FL_LOCK_PROTECT_BIT 27
-
+/* It may happen that a client initiate 2 operations, e.g. unlink and mkdir,
+ * such that server send blocking ast for conflict locks to this client for
+ * the 1st operation, whereas the 2nd operation has canceled this lock and
+ * is waiting for rpc_lock which is taken by the 1st operation.
+ * LDLM_FL_BL_AST is to be set by ldlm_callback_handler() to the lock not allow
+ * ELC code to cancel it.
+ * LDLM_FL_BL_DONE is to be set by ldlm_cancel_callback() when lock cache is
+ * droped to let ldlm_callback_handler() return EINVAL to the server. It is
+ * used when ELC rpc is already prepared and is waiting for rpc_lock, too late
+ * to send a separate CANCEL rpc. */
+#define LDLM_FL_BL_AST 0x10000000
+#define LDLM_FL_BL_DONE 0x20000000
+
+/* Cancel lock asynchronously. See ldlm_cli_cancel_unused_resource. */
+#define LDLM_FL_ASYNC 0x40000000
/* The blocking callback is overloaded to perform two functions. These flags
* indicate which operation should be performed. */
#define LCK_COMPAT_PR (LCK_COMPAT_PW | LCK_PR)
#define LCK_COMPAT_CW (LCK_COMPAT_PW | LCK_CW)
#define LCK_COMPAT_CR (LCK_COMPAT_CW | LCK_PR | LCK_PW)
-#define LCK_COMPAT_NL (LCK_COMPAT_CR | LCK_EX)
+#define LCK_COMPAT_NL (LCK_COMPAT_CR | LCK_EX | LCK_GROUP)
#define LCK_COMPAT_GROUP (LCK_GROUP | LCK_NL)
extern ldlm_mode_t lck_compat_array[];
*
*/
+struct ldlm_pool;
struct ldlm_lock;
struct ldlm_resource;
struct ldlm_namespace;
+typedef int (*ldlm_pool_recalc_t)(struct ldlm_pool *pl);
+
+typedef int (*ldlm_pool_shrink_t)(struct ldlm_pool *pl,
+ int nr, unsigned int gfp_mask);
+
+enum {
+ LDLM_POOL_CTL_RECALC = 1 << 0, /* Pool recalc is enabled */
+ LDLM_POOL_CTL_SHRINK = 1 << 1, /* Pool shrink is enabled */
+ LDLM_POOL_CTL_FULL = (LDLM_POOL_CTL_RECALC | LDLM_POOL_CTL_SHRINK)
+};
+
+/* One second for pools thread check interval. */
+#define LDLM_POOLS_THREAD_PERIOD (1)
+
+/* 5% margin for modest pools. See ldlm_pool.c for details. */
+#define LDLM_POOLS_MODEST_MARGIN (5)
+
+/* A change to SLV in % after which we want to wake up pools thread asap. */
+#define LDLM_POOLS_FAST_SLV_CHANGE (5)
+
+struct ldlm_pool {
+ /* Common pool fields */
+ cfs_proc_dir_entry_t *pl_proc_dir; /* Pool proc directory. */
+ char pl_name[100]; /* Pool name, should be long
+ * enough to contain complex
+ * proc entry name. */
+ spinlock_t pl_lock; /* Lock for protecting slv/clv
+ * updates. */
+ atomic_t pl_limit; /* Number of allowed locks in
+ * in pool, both, client and
+ * server side. */
+ atomic_t pl_granted; /* Number of granted locks. */
+ atomic_t pl_grant_rate; /* Grant rate per T. */
+ atomic_t pl_cancel_rate; /* Cancel rate per T. */
+ atomic_t pl_grant_speed; /* Grant speed (GR - CR) per T. */
+ __u64 pl_server_lock_volume; /* Server lock volume. Protected
+ * by pl_lock. */
+ cfs_time_t pl_update_time; /* Time when last slv from server
+ * was obtained. */
+ ldlm_pool_recalc_t pl_recalc; /* Recalc callback func pointer. */
+ ldlm_pool_shrink_t pl_shrink; /* Shrink callback func pointer. */
+ int pl_control; /* Pool features mask */
+
+ /* Server side pool fields */
+ atomic_t pl_grant_plan; /* Planned number of granted
+ * locks for next T. */
+ atomic_t pl_grant_step; /* Grant plan step for next T. */
+
+ /* Client side pool related fields */
+ atomic_t pl_lock_volume_factor; /* Lock volume factor. */
+ struct lprocfs_stats *pl_stats; /* Pool statistics. */
+};
+
+static inline int pool_recalc_enabled(struct ldlm_pool *pl)
+{
+ return pl->pl_control & LDLM_POOL_CTL_RECALC;
+}
+
+static inline int pool_shrink_enabled(struct ldlm_pool *pl)
+{
+ return pl->pl_control & LDLM_POOL_CTL_SHRINK;
+}
+
typedef int (*ldlm_res_policy)(struct ldlm_namespace *, struct ldlm_lock **,
void *req_cookie, ldlm_mode_t mode, int flags,
void *data);
int buf_idx, int increase);
};
+typedef enum {
+ LDLM_NAMESPACE_GREEDY = 1 << 0,
+ LDLM_NAMESPACE_MODEST = 1 << 1
+} ldlm_appetite_t;
+
struct ldlm_namespace {
char *ns_name;
- __u32 ns_client; /* is this a client-side lock tree? */
+ ldlm_side_t ns_client; /* is this a client-side lock tree? */
+ __u64 ns_connect_flags; /* client side connect flags
+ * supported by server */
struct list_head *ns_hash; /* hash table for ns */
spinlock_t ns_hash_lock;
__u32 ns_refcount; /* count of resources in the hash */
spinlock_t ns_unused_lock;
unsigned int ns_max_unused;
+ unsigned int ns_max_age;
cfs_time_t ns_next_dump; /* next debug dump, jiffies */
atomic_t ns_locks;
struct ldlm_valblock_ops *ns_lvbo;
void *ns_lvbp;
cfs_waitq_t ns_waitq;
+ struct ldlm_pool ns_pool;
+ ldlm_appetite_t ns_appetite;
};
+static inline int ns_connect_lru_resize(struct ldlm_namespace *ns)
+{
+ LASSERT(ns != NULL);
+ return ns->ns_connect_flags & OBD_CONNECT_LRU_RESIZE;
+}
+
/*
*
* Resource hash table
struct portals_handle l_handle; // must be first in the structure
atomic_t l_refc;
+ /* internal spinlock protects l_resource. we should hold this lock
+ * first before grabbing res_lock.*/
+ spinlock_t l_lock;
+
/* ldlm_lock_change_resource() can change this */
struct ldlm_resource *l_resource;
- /* set once, no need to protect it */
- struct ldlm_lock *l_parent;
-
- /* protected by ns_hash_lock */
- struct list_head l_children;
- struct list_head l_childof;
-
/* protected by ns_hash_lock. FIXME */
struct list_head l_lru;
struct obd_export *l_export;
struct obd_export *l_conn_export;
- /* protected by lr_lock */
- __u32 l_flags;
-
struct lustre_handle l_remote_handle;
ldlm_policy_data_t l_policy_data;
/* protected by lr_lock */
+ __u32 l_flags;
__u32 l_readers;
__u32 l_writers;
__u8 l_destroyed;
cfs_time_t l_callback_timeout; /* jiffies */
__u32 l_pid; /* pid which created this lock */
- __u32 l_pidb; /* who holds LOCK_PROTECT_BIT */
-
- struct list_head l_tmp;
/* for ldlm_add_ast_work_item() */
struct list_head l_bl_ast;
struct list_head l_cp_ast;
- struct ldlm_lock *l_blocking_lock;
+ struct ldlm_lock *l_blocking_lock;
int l_bl_ast_run;
};
struct semaphore lr_lvb_sem;
__u32 lr_lvb_len;
void *lr_lvb_data;
-
- /* lr_tmp holds a list head temporarily, during the building of a work
- * queue. see ldlm_add_ast_work_item and ldlm_run_ast_work */
- void *lr_tmp;
};
struct ldlm_ast_work {
int w_datalen;
};
+/* ldlm_enqueue parameters common */
+struct ldlm_enqueue_info {
+ __u32 ei_type; /* Type of the lock being enqueued. */
+ __u32 ei_mode; /* Mode of the lock being enqueued. */
+ void *ei_cb_bl; /* Different callbacks for lock handling (blocking, */
+ void *ei_cb_cp; /* completion, glimpse) */
+ void *ei_cb_gl;
+ void *ei_cbdata; /* Data to be passed into callbacks. */
+};
+
extern struct obd_ops ldlm_obd_ops;
extern char *ldlm_lockname[];
extern char *ldlm_typename[];
extern char *ldlm_it2str(int it);
-
-#define ldlm_lock_debug(cdls, level, lock, file, func, line, fmt, a...) do { \
+#ifdef LIBCFS_DEBUG
+#define ldlm_lock_debug(cdls, level, lock, file, func, line, fmt, a...) do { \
CHECK_STACK(); \
\
if (((level) & D_CANTMASK) != 0 || \
void _ldlm_lock_debug(struct ldlm_lock *lock, __u32 mask,
struct libcfs_debug_msg_data *data, const char *fmt,
- ...);
-
-#define LDLM_ERROR(lock, fmt, a...) do { \
- static cfs_debug_limit_state_t _ldlm_cdls; \
- ldlm_lock_debug(&_ldlm_cdls, D_ERROR, lock, \
- __FILE__, __FUNCTION__, __LINE__, \
- "### " fmt , ##a); \
- } while (0)
-
+ ...)
+ __attribute__ ((format (printf, 4, 5)));
+
+#define LDLM_ERROR(lock, fmt, a...) do { \
+ static cfs_debug_limit_state_t _ldlm_cdls; \
+ ldlm_lock_debug(&_ldlm_cdls, D_ERROR, lock, \
+ __FILE__, __FUNCTION__, __LINE__, \
+ "### " fmt , ##a); \
+} while (0)
+
#define LDLM_DEBUG(lock, fmt, a...) do { \
ldlm_lock_debug(NULL, D_DLMTRACE, lock, \
__FILE__, __FUNCTION__, __LINE__, \
"### " fmt , ##a); \
} while (0)
+#else
+#define LDLM_DEBUG(lock, fmt, a...) ((void)0)
+#define LDLM_ERROR(lock, fmt, a...) ((void)0)
+#endif
-#define LDLM_DEBUG_NOLOCK(format, a...) \
+#define LDLM_DEBUG_NOLOCK(format, a...) \
CDEBUG(D_DLMTRACE, "### " format "\n" , ##a)
typedef int (*ldlm_processing_policy)(struct ldlm_lock *lock, int *flags,
ldlm_res_iterator_t iter, void *closure);
int ldlm_replay_locks(struct obd_import *imp);
-void ldlm_resource_iterate(struct ldlm_namespace *, struct ldlm_res_id *,
+void ldlm_resource_iterate(struct ldlm_namespace *, const struct ldlm_res_id *,
ldlm_iterator_t iter, void *data);
-
/* ldlm_flock.c */
int ldlm_flock_completion_ast(struct ldlm_lock *lock, int flags, void *data);
ldlm_blocking_callback, ldlm_glimpse_callback);
int ldlm_handle_convert(struct ptlrpc_request *req);
int ldlm_handle_cancel(struct ptlrpc_request *req);
+int ldlm_request_cancel(struct ptlrpc_request *req,
+ const struct ldlm_request *dlm_req, int first);
int ldlm_del_waiting_lock(struct ldlm_lock *lock);
int ldlm_refresh_waiting_lock(struct ldlm_lock *lock);
-int ldlm_get_ref(void);
-void ldlm_put_ref(int force);
+void ldlm_revoke_export_locks(struct obd_export *exp);
+int ldlm_get_ref(ldlm_side_t client);
+void ldlm_put_ref(ldlm_side_t client, int force);
/* ldlm_lock.c */
ldlm_processing_policy ldlm_get_processing_policy(struct ldlm_resource *res);
void ldlm_register_intent(struct ldlm_namespace *ns, ldlm_res_policy arg);
-void ldlm_lock2handle(struct ldlm_lock *lock, struct lustre_handle *lockh);
-struct ldlm_lock *__ldlm_handle2lock(struct lustre_handle *, int flags);
+void ldlm_lock2handle(const struct ldlm_lock *lock,
+ struct lustre_handle *lockh);
+struct ldlm_lock *__ldlm_handle2lock(const struct lustre_handle *, int flags);
void ldlm_cancel_callback(struct ldlm_lock *);
int ldlm_lock_set_data(struct lustre_handle *, void *data);
int ldlm_lock_remove_from_lru(struct ldlm_lock *);
struct ldlm_lock *ldlm_handle2lock_ns(struct ldlm_namespace *,
- struct lustre_handle *);
+ const struct lustre_handle *);
-static inline struct ldlm_lock *ldlm_handle2lock(struct lustre_handle *h)
+static inline struct ldlm_lock *ldlm_handle2lock(const struct lustre_handle *h)
{
return __ldlm_handle2lock(h, 0);
}
+static inline int ldlm_res_lvbo_update(struct ldlm_resource *res,
+ struct lustre_msg *m, int buf_idx,
+ int increase)
+{
+ if (res->lr_namespace->ns_lvbo &&
+ res->lr_namespace->ns_lvbo->lvbo_update) {
+ return res->lr_namespace->ns_lvbo->lvbo_update(res, m, buf_idx,
+ increase);
+ }
+ return 0;
+}
+
#define LDLM_LOCK_PUT(lock) \
do { \
/*LDLM_DEBUG((lock), "put");*/ \
lock; \
})
+#define ldlm_lock_list_put(head, member, count) \
+({ \
+ struct ldlm_lock *_lock, *_next; \
+ int c = count; \
+ list_for_each_entry_safe(_lock, _next, head, member) { \
+ if (c-- == 0) \
+ break; \
+ list_del_init(&_lock->member); \
+ LDLM_LOCK_PUT(_lock); \
+ } \
+ LASSERT(c <= 0); \
+})
+
struct ldlm_lock *ldlm_lock_get(struct ldlm_lock *lock);
void ldlm_lock_put(struct ldlm_lock *lock);
void ldlm_lock_destroy(struct ldlm_lock *lock);
void ldlm_lock_decref(struct lustre_handle *lockh, __u32 mode);
void ldlm_lock_decref_and_cancel(struct lustre_handle *lockh, __u32 mode);
void ldlm_lock_allow_match(struct ldlm_lock *lock);
-int ldlm_lock_match(struct ldlm_namespace *ns, int flags, struct ldlm_res_id *,
+int ldlm_lock_match(struct ldlm_namespace *ns, int flags,
+ const struct ldlm_res_id *,
ldlm_type_t type, ldlm_policy_data_t *, ldlm_mode_t mode,
struct lustre_handle *);
struct ldlm_resource *ldlm_lock_convert(struct ldlm_lock *lock, int new_mode,
void ldlm_reprocess_all_ns(struct ldlm_namespace *ns);
void ldlm_lock_dump(int level, struct ldlm_lock *lock, int pos);
void ldlm_lock_dump_handle(int level, struct lustre_handle *);
+void ldlm_unlink_lock_skiplist(struct ldlm_lock *req);
/* resource.c */
-struct ldlm_namespace *ldlm_namespace_new(char *name, __u32 local);
+struct ldlm_namespace *ldlm_namespace_new(char *name, ldlm_side_t client,
+ ldlm_appetite_t apt);
int ldlm_namespace_cleanup(struct ldlm_namespace *ns, int flags);
int ldlm_namespace_free(struct ldlm_namespace *ns, int force);
+void ldlm_namespace_move(struct ldlm_namespace *ns, ldlm_side_t client);
+struct ldlm_namespace *ldlm_namespace_first(ldlm_side_t client);
+void ldlm_namespace_get(struct ldlm_namespace *ns);
+void ldlm_namespace_put(struct ldlm_namespace *ns, int wakeup);
+void ldlm_namespace_get_nolock(struct ldlm_namespace *ns);
+void ldlm_namespace_put_nolock(struct ldlm_namespace *ns, int wakeup);
int ldlm_proc_setup(void);
#ifdef LPROCFS
void ldlm_proc_cleanup(void);
/* resource.c - internal */
struct ldlm_resource *ldlm_resource_get(struct ldlm_namespace *ns,
struct ldlm_resource *parent,
- struct ldlm_res_id, ldlm_type_t type,
- int create);
+ const struct ldlm_res_id *,
+ ldlm_type_t type, int create);
struct ldlm_resource *ldlm_resource_getref(struct ldlm_resource *res);
int ldlm_resource_putref(struct ldlm_resource *res);
void ldlm_resource_add_lock(struct ldlm_resource *res, struct list_head *head,
struct ldlm_lock *lock);
void ldlm_resource_unlink_lock(struct ldlm_lock *lock);
void ldlm_res2desc(struct ldlm_resource *res, struct ldlm_resource_desc *desc);
-void ldlm_dump_all_namespaces(int level);
+void ldlm_dump_all_namespaces(ldlm_side_t client, int level);
void ldlm_namespace_dump(int level, struct ldlm_namespace *);
void ldlm_resource_dump(int level, struct ldlm_resource *);
int ldlm_lock_change_resource(struct ldlm_namespace *, struct ldlm_lock *,
- struct ldlm_res_id);
+ const struct ldlm_res_id *);
+
+struct ldlm_callback_suite {
+ ldlm_completion_callback lcs_completion;
+ ldlm_blocking_callback lcs_blocking;
+ ldlm_glimpse_callback lcs_glimpse;
+};
/* ldlm_request.c */
int ldlm_expired_completion_wait(void *data);
void *data, int flag);
int ldlm_glimpse_ast(struct ldlm_lock *lock, void *reqp);
int ldlm_completion_ast(struct ldlm_lock *lock, int flags, void *data);
-int ldlm_cli_enqueue(struct obd_export *exp, struct ptlrpc_request **req,
- struct ldlm_res_id res_id, ldlm_type_t type,
- ldlm_policy_data_t *policy, ldlm_mode_t mode, int *flags,
- ldlm_blocking_callback blocking,
- ldlm_completion_callback completion,
- ldlm_glimpse_callback glimpse,
- void *data, void *lvb, __u32 lvb_len, void *lvb_swabber,
+int ldlm_cli_enqueue(struct obd_export *exp, struct ptlrpc_request **reqp,
+ struct ldlm_enqueue_info *einfo,
+ const struct ldlm_res_id *res_id,
+ ldlm_policy_data_t *policy, int *flags,
+ void *lvb, __u32 lvb_len, void *lvb_swabber,
struct lustre_handle *lockh, int async);
+struct ptlrpc_request *ldlm_prep_enqueue_req(struct obd_export *exp,
+ int bufcount, int *size,
+ struct list_head *head, int count);
+int ldlm_handle_enqueue0(struct ldlm_namespace *ns, struct ptlrpc_request *req,
+ const struct ldlm_request *dlm_req,
+ const struct ldlm_callback_suite *cbs);
int ldlm_cli_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req,
ldlm_type_t type, __u8 with_policy, ldlm_mode_t mode,
int *flags, void *lvb, __u32 lvb_len,
void *lvb_swabber, struct lustre_handle *lockh,
int rc);
-int ldlm_cli_enqueue_local(struct ldlm_namespace *ns, struct ldlm_res_id res_id,
+int ldlm_cli_enqueue_local(struct ldlm_namespace *ns,
+ const struct ldlm_res_id *res_id,
ldlm_type_t type, ldlm_policy_data_t *policy,
ldlm_mode_t mode, int *flags,
ldlm_blocking_callback blocking,
int ldlm_server_ast(struct lustre_handle *lockh, struct ldlm_lock_desc *new,
void *data, __u32 data_len);
int ldlm_cli_convert(struct lustre_handle *, int new_mode, int *flags);
+int ldlm_cli_update_pool(struct ptlrpc_request *req);
+int ldlm_handle_convert0(struct ptlrpc_request *req,
+ const struct ldlm_request *dlm_req);
int ldlm_cli_cancel(struct lustre_handle *lockh);
-int ldlm_cli_cancel_unused(struct ldlm_namespace *, struct ldlm_res_id *,
+int ldlm_cli_cancel_unused(struct ldlm_namespace *, const struct ldlm_res_id *,
int flags, void *opaque);
-int ldlm_cli_join_lru(struct ldlm_namespace *, struct ldlm_res_id *, int join);
-
+int ldlm_cli_cancel_unused_resource(struct ldlm_namespace *ns,
+ const struct ldlm_res_id *res_id,
+ ldlm_policy_data_t *policy,
+ ldlm_mode_t mode, int flags, void *opaque);
+int ldlm_cli_cancel_req(struct obd_export *exp, struct list_head *head,
+ int count, int flags);
+int ldlm_cli_join_lru(struct ldlm_namespace *,
+ const struct ldlm_res_id *, int join);
+int ldlm_cancel_resource_local(struct ldlm_resource *res,
+ struct list_head *cancels,
+ ldlm_policy_data_t *policy,
+ ldlm_mode_t mode, int lock_flags,
+ int flags, void *opaque);
+int ldlm_cli_cancel_list(struct list_head *head, int count,
+ struct ptlrpc_request *req, int off, int flags);
+
/* mds/handler.c */
/* This has to be here because recursive inclusion sucks. */
int intent_disposition(struct ldlm_reply *rep, int flag);
{
LASSERT_SPIN_LOCKED(&res->lr_lock);
}
-#ifdef __KERNEL__
-# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,60)
-static inline void lock_bitlock(struct ldlm_lock *lock)
-{
- bit_spin_lock(LDLM_FL_LOCK_PROTECT_BIT, (void *) &lock->l_flags);
- LASSERT(lock->l_pidb == 0);
- lock->l_pidb = current->pid;
-}
-static inline void unlock_bitlock(struct ldlm_lock *lock)
-{
- LASSERT(lock->l_pidb == current->pid);
- lock->l_pidb = 0;
- bit_spin_unlock(LDLM_FL_LOCK_PROTECT_BIT, (void *) &lock->l_flags);
-}
-#else /* LINUX_VERSION_CODE < KERNEL_VERSION(2,5,60) */
-static inline void lock_bitlock(struct ldlm_lock *lock)
-{
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
- /* bit_spin_lock(LDLM_FL_LOCK_PROTECT_BIT, (void *)&lock->l_flags);*/
- while (test_and_set_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags)) {
- while (test_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags))
- cpu_relax();
- }
-#endif
-
- LASSERT(lock->l_pidb == 0);
- lock->l_pidb = current->pid;
-}
-
-static inline void unlock_bitlock(struct ldlm_lock *lock)
-{
- LASSERT(lock->l_pidb == current->pid);
- lock->l_pidb = 0;
-
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
- /* bit_spin_unlock(LDLM_FL_LOCK_PROTECT_BIT, (void *)&lock->l_flags);*/
- BUG_ON(!test_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags));
- smp_mb__before_clear_bit();
- clear_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags);
-#endif
-}
-#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,60) */
-#else /* !__KERNEL__ */
-static inline void lock_bitlock(struct ldlm_lock *lock)
-{
- lock->l_flags |= 1 << LDLM_FL_LOCK_PROTECT_BIT;
-}
-
-static inline void unlock_bitlock(struct ldlm_lock *lock)
-{
- lock->l_flags &= ~(1 << LDLM_FL_LOCK_PROTECT_BIT);
-}
-#endif /* __KERNEL__ */
struct ldlm_resource * lock_res_and_lock(struct ldlm_lock *lock);
void unlock_res_and_lock(struct ldlm_lock *lock);
+/* ldlm_pool.c */
+int ldlm_pools_init(ldlm_side_t client);
+void ldlm_pools_recalc(ldlm_side_t client);
+void ldlm_pools_fini(void);
+void ldlm_pools_wakeup(void);
+
+int ldlm_pool_init(struct ldlm_pool *pl, struct ldlm_namespace *ns,
+ int idx, ldlm_side_t client);
+int ldlm_pool_shrink(struct ldlm_pool *pl, int nr,
+ unsigned int gfp_mask);
+void ldlm_pool_fini(struct ldlm_pool *pl);
+int ldlm_pool_setup(struct ldlm_pool *pl, __u32 limit);
+int ldlm_pool_recalc(struct ldlm_pool *pl);
+__u64 ldlm_pool_get_slv(struct ldlm_pool *pl);
+__u32 ldlm_pool_get_limit(struct ldlm_pool *pl);
+void ldlm_pool_set_slv(struct ldlm_pool *pl, __u64 slv);
+void ldlm_pool_set_limit(struct ldlm_pool *pl, __u32 limit);
+void ldlm_pool_add(struct ldlm_pool *pl, struct ldlm_lock *lock);
+void ldlm_pool_del(struct ldlm_pool *pl, struct ldlm_lock *lock);
#endif
+