*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
-#define MAX_STRING_SIZE 128
+extern int ldlm_srv_namespace_nr;
+extern int ldlm_cli_namespace_nr;
+extern struct mutex ldlm_srv_namespace_lock;
+extern struct list_head ldlm_srv_namespace_list;
+extern struct mutex ldlm_cli_namespace_lock;
+extern struct list_head ldlm_cli_active_namespace_list;
+extern struct list_head ldlm_cli_inactive_namespace_list;
+extern unsigned int ldlm_cancel_unused_locks_before_replay;
+extern struct kmem_cache *ldlm_glimpse_work_kmem;
+
+static inline int ldlm_namespace_nr_read(enum ldlm_side client)
+{
+ return client == LDLM_NAMESPACE_SERVER ?
+ ldlm_srv_namespace_nr : ldlm_cli_namespace_nr;
+}
-extern cfs_atomic_t ldlm_srv_namespace_nr;
-extern cfs_atomic_t ldlm_cli_namespace_nr;
-extern cfs_mutex_t ldlm_srv_namespace_lock;
-extern cfs_list_t ldlm_srv_namespace_list;
-extern cfs_mutex_t ldlm_cli_namespace_lock;
-extern cfs_list_t ldlm_cli_namespace_list;
+static inline void ldlm_namespace_nr_inc(enum ldlm_side client)
+{
+ if (client == LDLM_NAMESPACE_SERVER)
+ ldlm_srv_namespace_nr++;
+ else
+ ldlm_cli_namespace_nr++;
+}
-static inline cfs_atomic_t *ldlm_namespace_nr(ldlm_side_t client)
+static inline void ldlm_namespace_nr_dec(enum ldlm_side client)
{
- return client == LDLM_NAMESPACE_SERVER ?
- &ldlm_srv_namespace_nr : &ldlm_cli_namespace_nr;
+ if (client == LDLM_NAMESPACE_SERVER)
+ ldlm_srv_namespace_nr--;
+ else
+ ldlm_cli_namespace_nr--;
}
-static inline cfs_list_t *ldlm_namespace_list(ldlm_side_t client)
+static inline struct list_head *ldlm_namespace_list(enum ldlm_side client)
{
- return client == LDLM_NAMESPACE_SERVER ?
- &ldlm_srv_namespace_list : &ldlm_cli_namespace_list;
+ return client == LDLM_NAMESPACE_SERVER ?
+ &ldlm_srv_namespace_list : &ldlm_cli_active_namespace_list;
}
-static inline cfs_mutex_t *ldlm_namespace_lock(ldlm_side_t client)
+static inline
+struct list_head *ldlm_namespace_inactive_list(enum ldlm_side client)
{
- return client == LDLM_NAMESPACE_SERVER ?
- &ldlm_srv_namespace_lock : &ldlm_cli_namespace_lock;
+ return client == LDLM_NAMESPACE_SERVER ?
+ &ldlm_srv_namespace_list : &ldlm_cli_inactive_namespace_list;
}
-/* ldlm_request.c */
-typedef enum {
- LDLM_ASYNC,
- LDLM_SYNC,
-} ldlm_sync_t;
+static inline struct mutex *ldlm_namespace_lock(enum ldlm_side client)
+{
+ return client == LDLM_NAMESPACE_SERVER ?
+ &ldlm_srv_namespace_lock : &ldlm_cli_namespace_lock;
+}
+/* ns_bref is the number of resources in this namespace */
+static inline int ldlm_ns_empty(struct ldlm_namespace *ns)
+{
+ return atomic_read(&ns->ns_bref) == 0;
+}
+
+void ldlm_namespace_move_to_active_locked(struct ldlm_namespace *,
+ enum ldlm_side);
+void ldlm_namespace_move_to_inactive_locked(struct ldlm_namespace *,
+ enum ldlm_side);
+struct ldlm_namespace *ldlm_namespace_first_locked(enum ldlm_side);
+
+/* ldlm_request.c */
/* Cancel lru flag, it indicates we cancel aged locks. */
-enum {
- LDLM_CANCEL_AGED = 1 << 0, /* Cancel aged locks (non lru resize). */
- LDLM_CANCEL_PASSED = 1 << 1, /* Cancel passed number of locks. */
- LDLM_CANCEL_SHRINK = 1 << 2, /* Cancel locks from shrinker. */
- LDLM_CANCEL_LRUR = 1 << 3, /* Cancel locks from lru resize. */
- LDLM_CANCEL_NO_WAIT = 1 << 4 /* Cancel locks w/o blocking (neither
- * sending nor waiting for any rpcs) */
+enum ldlm_lru_flags {
+ LDLM_LRU_FLAG_AGED = 0x01, /* Cancel aged locks (non LRU resize) */
+ LDLM_LRU_FLAG_PASSED = 0x02, /* Cancel passed number of locks */
+ LDLM_LRU_FLAG_SHRINK = 0x04, /* Cancel locks from shrinker */
+ LDLM_LRU_FLAG_LRUR = 0x08, /* Cancel locks from lru resize */
+ LDLM_LRU_FLAG_NO_WAIT = 0x10, /* Cancel locks w/o blocking (neither
+ * sending nor waiting for any RPCs) */
+ LDLM_LRU_FLAG_CLEANUP = 0x20, /* Used when clearing lru, tells
+ * prepare_lru_list to set discard flag
+ * on PR extent locks so we don't waste
+ * time saving pages that will be
+ * discarded momentarily */
};
-int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr, ldlm_sync_t sync,
- int flags);
+int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr,
+ enum ldlm_cancel_flags cancel_flags,
+ enum ldlm_lru_flags lru_flags);
int ldlm_cancel_lru_local(struct ldlm_namespace *ns,
- cfs_list_t *cancels, int count, int max,
- ldlm_cancel_flags_t cancel_flags, int flags);
-extern int ldlm_enqueue_min;
-int ldlm_get_enq_timeout(struct ldlm_lock *lock);
-
+ struct list_head *cancels, int count, int max,
+ enum ldlm_cancel_flags cancel_flags,
+ enum ldlm_lru_flags lru_flags);
+extern unsigned int ldlm_enqueue_min;
/* ldlm_resource.c */
-int ldlm_resource_putref_locked(struct ldlm_resource *res);
+extern struct kmem_cache *ldlm_resource_slab;
+extern struct kmem_cache *ldlm_lock_slab;
+extern struct kmem_cache *ldlm_inodebits_slab;
+extern struct kmem_cache *ldlm_interval_tree_slab;
+
void ldlm_resource_insert_lock_after(struct ldlm_lock *original,
struct ldlm_lock *new);
-void ldlm_namespace_free_prior(struct ldlm_namespace *ns,
- struct obd_import *imp, int force);
-void ldlm_namespace_free_post(struct ldlm_namespace *ns);
-/* ldlm_lock.c */
-struct ldlm_cb_set_arg {
- struct ptlrpc_request_set *set;
- int type; /* LDLM_{CP,BL,GL}_CALLBACK */
- cfs_atomic_t restart;
- cfs_list_t *list;
- union ldlm_gl_desc *gl_desc; /* glimpse AST descriptor */
-};
+/* ldlm_lock.c */
typedef enum {
LDLM_WORK_BL_AST,
LDLM_WORK_GL_AST
} ldlm_desc_ast_t;
-void ldlm_grant_lock(struct ldlm_lock *lock, cfs_list_t *work_list);
+void ldlm_grant_lock_with_skiplist(struct ldlm_lock *lock);
+void ldlm_grant_lock(struct ldlm_lock *lock, struct list_head *work_list);
+int ldlm_fill_lvb(struct ldlm_lock *lock, struct req_capsule *pill,
+ enum req_location loc, void *data, int size);
struct ldlm_lock *
ldlm_lock_create(struct ldlm_namespace *ns, const struct ldlm_res_id *,
- ldlm_type_t type, ldlm_mode_t,
- const struct ldlm_callback_suite *cbs,
- void *data, __u32 lvb_len);
-ldlm_error_t ldlm_lock_enqueue(struct ldlm_namespace *, struct ldlm_lock **,
- void *cookie, int *flags);
-void ldlm_lock_addref_internal(struct ldlm_lock *, __u32 mode);
-void ldlm_lock_addref_internal_nolock(struct ldlm_lock *, __u32 mode);
-void ldlm_lock_decref_internal(struct ldlm_lock *, __u32 mode);
-void ldlm_lock_decref_internal_nolock(struct ldlm_lock *, __u32 mode);
+ enum ldlm_type type, enum ldlm_mode mode,
+ const struct ldlm_callback_suite *cbs,
+ void *data, __u32 lvb_len, enum lvb_type lvb_type);
+enum ldlm_error ldlm_lock_enqueue(const struct lu_env *env,
+ struct ldlm_namespace *,
+ struct ldlm_lock **,
+ void *cookie, __u64 *flags);
+void ldlm_lock_addref_internal(struct ldlm_lock *, enum ldlm_mode mode);
+void ldlm_lock_addref_internal_nolock(struct ldlm_lock *, enum ldlm_mode mode);
+void ldlm_lock_decref_internal(struct ldlm_lock *, enum ldlm_mode mode);
+void ldlm_lock_decref_internal_nolock(struct ldlm_lock *, enum ldlm_mode mode);
void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
- cfs_list_t *work_list);
+ struct list_head *work_list);
#ifdef HAVE_SERVER_SUPPORT
-int ldlm_reprocess_queue(struct ldlm_resource *res, cfs_list_t *queue,
- cfs_list_t *work_list);
+int ldlm_reprocess_queue(struct ldlm_resource *res, struct list_head *queue,
+ struct list_head *work_list,
+ enum ldlm_process_intention intention,
+ struct ldlm_lock *hint);
+int ldlm_handle_conflict_lock(struct ldlm_lock *lock, __u64 *flags,
+ struct list_head *rpc_list);
+void ldlm_discard_bl_list(struct list_head *bl_list);
+void ldlm_clear_blocking_lock(struct ldlm_lock *lock);
+void ldlm_clear_blocking_data(struct ldlm_lock *lock);
#endif
-int ldlm_run_ast_work(struct ldlm_namespace *ns, cfs_list_t *rpc_list,
- ldlm_desc_ast_t ast_type);
+int ldlm_run_ast_work(struct ldlm_namespace *ns, struct list_head *rpc_list,
+ ldlm_desc_ast_t ast_type);
int ldlm_work_gl_ast_lock(struct ptlrpc_request_set *rqset, void *opaq);
-int ldlm_lock_remove_from_lru(struct ldlm_lock *lock);
+int ldlm_lock_remove_from_lru_check(struct ldlm_lock *lock, ktime_t last_use);
+#define ldlm_lock_remove_from_lru(lock) \
+ ldlm_lock_remove_from_lru_check(lock, ktime_set(0, 0))
int ldlm_lock_remove_from_lru_nolock(struct ldlm_lock *lock);
void ldlm_lock_add_to_lru_nolock(struct ldlm_lock *lock);
void ldlm_lock_add_to_lru(struct ldlm_lock *lock);
void ldlm_lock_touch_in_lru(struct ldlm_lock *lock);
void ldlm_lock_destroy_nolock(struct ldlm_lock *lock);
-void ldlm_cancel_locks_for_export(struct obd_export *export);
+int ldlm_export_cancel_blocked_locks(struct obd_export *exp);
+int ldlm_export_cancel_locks(struct obd_export *exp);
+void ldlm_grant_lock_with_skiplist(struct ldlm_lock *lock);
/* ldlm_lockd.c */
int ldlm_bl_to_thread_lock(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
struct ldlm_lock *lock);
-int ldlm_bl_to_thread_list(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
- cfs_list_t *cancels, int count, int mode);
+int ldlm_bl_to_thread_list(struct ldlm_namespace *ns,
+ struct ldlm_lock_desc *ld,
+ struct list_head *cancels, int count,
+ enum ldlm_cancel_flags cancel_flags);
+int ldlm_bl_thread_wakeup(void);
void ldlm_handle_bl_callback(struct ldlm_namespace *ns,
struct ldlm_lock_desc *ld, struct ldlm_lock *lock);
#ifdef HAVE_SERVER_SUPPORT
/* ldlm_plain.c */
-int ldlm_process_plain_lock(struct ldlm_lock *lock, int *flags, int first_enq,
- ldlm_error_t *err, cfs_list_t *work_list);
+int ldlm_process_plain_lock(struct ldlm_lock *lock, __u64 *flags,
+ enum ldlm_process_intention intention,
+ enum ldlm_error *err, struct list_head *work_list);
/* ldlm_inodebits.c */
-int ldlm_process_inodebits_lock(struct ldlm_lock *lock, int *flags,
- int first_enq, ldlm_error_t *err,
- cfs_list_t *work_list);
-#endif
-
+int ldlm_process_inodebits_lock(struct ldlm_lock *lock, __u64 *flags,
+ enum ldlm_process_intention intention,
+ enum ldlm_error *err,
+ struct list_head *work_list);
+int ldlm_reprocess_inodebits_queue(struct ldlm_resource *res,
+ struct list_head *queue,
+ struct list_head *work_list,
+ enum ldlm_process_intention intention,
+ struct ldlm_lock *hint);
/* ldlm_extent.c */
-#ifdef HAVE_SERVER_SUPPORT
-int ldlm_process_extent_lock(struct ldlm_lock *lock, int *flags, int first_enq,
- ldlm_error_t *err, cfs_list_t *work_list);
+int ldlm_process_extent_lock(struct ldlm_lock *lock, __u64 *flags,
+ enum ldlm_process_intention intention,
+ enum ldlm_error *err, struct list_head *work_list);
#endif
+int ldlm_extent_alloc_lock(struct ldlm_lock *lock);
void ldlm_extent_add_lock(struct ldlm_resource *res, struct ldlm_lock *lock);
void ldlm_extent_unlink_lock(struct ldlm_lock *lock);
+int ldlm_inodebits_alloc_lock(struct ldlm_lock *lock);
+void ldlm_inodebits_add_lock(struct ldlm_resource *res, struct list_head *head,
+ struct ldlm_lock *lock);
+void ldlm_inodebits_unlink_lock(struct ldlm_lock *lock);
+
/* ldlm_flock.c */
-int ldlm_process_flock_lock(struct ldlm_lock *req, int *flags, int first_enq,
- ldlm_error_t *err, cfs_list_t *work_list);
+int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags,
+ enum ldlm_process_intention intention,
+ enum ldlm_error *err, struct list_head *work_list);
int ldlm_init_flock_export(struct obd_export *exp);
void ldlm_destroy_flock_export(struct obd_export *exp);
void l_check_ns_lock(struct ldlm_namespace *ns);
void l_check_no_ns_lock(struct ldlm_namespace *ns);
-extern cfs_proc_dir_entry_t *ldlm_svc_proc_dir;
-extern cfs_proc_dir_entry_t *ldlm_type_proc_dir;
+extern struct dentry *ldlm_svc_debugfs_dir;
struct ldlm_state {
struct ptlrpc_service *ldlm_cb_service;
};
/* interval tree, for LDLM_EXTENT. */
-extern cfs_mem_cache_t *ldlm_interval_slab; /* slab cache for ldlm_interval */
+extern struct kmem_cache *ldlm_interval_slab; /* slab cache for ldlm_interval */
extern void ldlm_interval_attach(struct ldlm_interval *n, struct ldlm_lock *l);
extern struct ldlm_interval *ldlm_interval_detach(struct ldlm_lock *l);
-extern struct ldlm_interval *ldlm_interval_alloc(struct ldlm_lock *lock);
extern void ldlm_interval_free(struct ldlm_interval *node);
/* this function must be called with res lock held */
static inline struct ldlm_extent *
ldlm_interval_extent(struct ldlm_interval *node)
{
struct ldlm_lock *lock;
- LASSERT(!cfs_list_empty(&node->li_group));
+ LASSERT(!list_empty(&node->li_group));
- lock = cfs_list_entry(node->li_group.next, struct ldlm_lock,
+ lock = list_entry(node->li_group.next, struct ldlm_lock,
l_sl_policy);
return &lock->l_policy_data.l_extent;
}
LDLM_POLICY_SKIP_LOCK
};
-typedef enum ldlm_policy_res ldlm_policy_res_t;
-
-#define LDLM_POOL_PROC_READER(var, type) \
- static int lprocfs_rd_##var(char *page, char **start, off_t off, \
- int count, int *eof, void *data) \
- { \
- struct ldlm_pool *pl = data; \
- type tmp; \
- \
- cfs_spin_lock(&pl->pl_lock); \
- tmp = pl->pl_##var; \
- cfs_spin_unlock(&pl->pl_lock); \
- \
- return lprocfs_rd_uint(page, start, off, count, eof, &tmp); \
- } \
- struct __##var##__dummy_read {;} /* semicolon catcher */
-
-#define LDLM_POOL_PROC_WRITER(var, type) \
- int lprocfs_wr_##var(struct file *file, const char *buffer, \
- unsigned long count, void *data) \
- { \
- struct ldlm_pool *pl = data; \
- type tmp; \
- int rc; \
- \
- rc = lprocfs_wr_uint(file, buffer, count, &tmp); \
- if (rc < 0) { \
- CERROR("Can't parse user input, rc = %d\n", rc); \
- return rc; \
- } \
- \
- cfs_spin_lock(&pl->pl_lock); \
- pl->pl_##var = tmp; \
- cfs_spin_unlock(&pl->pl_lock); \
- \
- return rc; \
- } \
- struct __##var##__dummy_write {;} /* semicolon catcher */
+#define LDLM_POOL_SYSFS_PRINT_int(v) sprintf(buf, "%d\n", v)
+#define LDLM_POOL_SYSFS_SET_int(a, b) { a = b; }
+#define LDLM_POOL_SYSFS_PRINT_u64(v) sprintf(buf, "%lld\n", v)
+#define LDLM_POOL_SYSFS_SET_u64(a, b) { a = b; }
+#define LDLM_POOL_SYSFS_PRINT_atomic(v) sprintf(buf, "%d\n", atomic_read(&v))
+#define LDLM_POOL_SYSFS_SET_atomic(a, b) atomic_set(&a, b)
+
+#define LDLM_POOL_SYSFS_READER_SHOW(var, type) \
+ static ssize_t var##_show(struct kobject *kobj, \
+ struct attribute *attr, \
+ char *buf) \
+ { \
+ struct ldlm_pool *pl = container_of(kobj, struct ldlm_pool,\
+ pl_kobj); \
+ type tmp; \
+ \
+ spin_lock(&pl->pl_lock); \
+ tmp = pl->pl_##var; \
+ spin_unlock(&pl->pl_lock); \
+ \
+ return LDLM_POOL_SYSFS_PRINT_##type(tmp); \
+ } \
+ struct __##var##__dummy_read {;} /* semicolon catcher */
+
+#define LDLM_POOL_SYSFS_WRITER_STORE(var, type) \
+ static ssize_t var##_store(struct kobject *kobj, \
+ struct attribute *attr, \
+ const char *buffer, \
+ size_t count) \
+ { \
+ struct ldlm_pool *pl = container_of(kobj, struct ldlm_pool,\
+ pl_kobj); \
+ unsigned long tmp; \
+ int rc; \
+ \
+ rc = kstrtoul(buffer, 10, &tmp); \
+ if (rc < 0) { \
+ return rc; \
+ } \
+ \
+ spin_lock(&pl->pl_lock); \
+ LDLM_POOL_SYSFS_SET_##type(pl->pl_##var, tmp); \
+ spin_unlock(&pl->pl_lock); \
+ \
+ return count; \
+ } \
+ struct __##var##__dummy_write {; } /* semicolon catcher */
+
+#define LDLM_POOL_SYSFS_READER_NOLOCK_SHOW(var, type) \
+ static ssize_t var##_show(struct kobject *kobj, \
+ struct attribute *attr, \
+ char *buf) \
+ { \
+ struct ldlm_pool *pl = container_of(kobj, struct ldlm_pool,\
+ pl_kobj); \
+ \
+ return LDLM_POOL_SYSFS_PRINT_##type(pl->pl_##var); \
+ } \
+ struct __##var##__dummy_read {; } /* semicolon catcher */
+
+#define LDLM_POOL_SYSFS_WRITER_NOLOCK_STORE(var, type) \
+ static ssize_t var##_store(struct kobject *kobj, \
+ struct attribute *attr, \
+ const char *buffer, \
+ size_t count) \
+ { \
+ struct ldlm_pool *pl = container_of(kobj, struct ldlm_pool,\
+ pl_kobj); \
+ unsigned long tmp; \
+ int rc; \
+ \
+ rc = kstrtoul(buffer, 10, &tmp); \
+ if (rc < 0) { \
+ return rc; \
+ } \
+ \
+ LDLM_POOL_SYSFS_SET_##type(pl->pl_##var, tmp); \
+ \
+ return count; \
+ } \
+ struct __##var##__dummy_write {; } /* semicolon catcher */
+
+static inline void
+ldlm_add_var(struct lprocfs_vars *vars, struct dentry *debugfs_entry,
+ const char *name, void *data, const struct file_operations *ops)
+{
+ vars->name = name;
+ vars->data = data;
+ vars->fops = ops;
+ ldebugfs_add_vars(debugfs_entry, vars, NULL);
+}
static inline int is_granted_or_cancelled(struct ldlm_lock *lock)
{
- int ret = 0;
+ int ret = 0;
- lock_res_and_lock(lock);
- if (((lock->l_req_mode == lock->l_granted_mode) &&
- !(lock->l_flags & LDLM_FL_CP_REQD)) ||
- (lock->l_flags & (LDLM_FL_FAILED | LDLM_FL_CANCEL)))
- ret = 1;
- unlock_res_and_lock(lock);
+ lock_res_and_lock(lock);
+ ret = is_granted_or_cancelled_nolock(lock);
+ unlock_res_and_lock(lock);
- return ret;
+ return ret;
}
-typedef void (*ldlm_policy_wire_to_local_t)(const ldlm_wire_policy_data_t *,
- ldlm_policy_data_t *);
-
-typedef void (*ldlm_policy_local_to_wire_t)(const ldlm_policy_data_t *,
- ldlm_wire_policy_data_t *);
-
-void ldlm_plain_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy,
- ldlm_policy_data_t *lpolicy);
-void ldlm_plain_policy_local_to_wire(const ldlm_policy_data_t *lpolicy,
- ldlm_wire_policy_data_t *wpolicy);
-void ldlm_ibits_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy,
- ldlm_policy_data_t *lpolicy);
-void ldlm_ibits_policy_local_to_wire(const ldlm_policy_data_t *lpolicy,
- ldlm_wire_policy_data_t *wpolicy);
-void ldlm_extent_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy,
- ldlm_policy_data_t *lpolicy);
-void ldlm_extent_policy_local_to_wire(const ldlm_policy_data_t *lpolicy,
- ldlm_wire_policy_data_t *wpolicy);
-void ldlm_flock_policy_wire18_to_local(const ldlm_wire_policy_data_t *wpolicy,
- ldlm_policy_data_t *lpolicy);
-void ldlm_flock_policy_wire21_to_local(const ldlm_wire_policy_data_t *wpolicy,
- ldlm_policy_data_t *lpolicy);
-
-void ldlm_flock_policy_local_to_wire(const ldlm_policy_data_t *lpolicy,
- ldlm_wire_policy_data_t *wpolicy);
+static inline bool is_bl_done(struct ldlm_lock *lock)
+{
+ bool bl_done = true;
+
+ if (!ldlm_is_bl_done(lock)) {
+ lock_res_and_lock(lock);
+ bl_done = ldlm_is_bl_done(lock);
+ unlock_res_and_lock(lock);
+ }
+
+ return bl_done;
+}
+
+typedef void (*ldlm_policy_wire_to_local_t)(const union ldlm_wire_policy_data *,
+ union ldlm_policy_data *);
+typedef void (*ldlm_policy_local_to_wire_t)(const union ldlm_policy_data *,
+ union ldlm_wire_policy_data *);
+void ldlm_plain_policy_wire_to_local(const union ldlm_wire_policy_data *wpolicy,
+ union ldlm_policy_data *lpolicy);
+void ldlm_plain_policy_local_to_wire(const union ldlm_policy_data *lpolicy,
+ union ldlm_wire_policy_data *wpolicy);
+void ldlm_ibits_policy_wire_to_local(const union ldlm_wire_policy_data *wpolicy,
+ union ldlm_policy_data *lpolicy);
+void ldlm_ibits_policy_local_to_wire(const union ldlm_policy_data *lpolicy,
+ union ldlm_wire_policy_data *wpolicy);
+void ldlm_extent_policy_wire_to_local(const union ldlm_wire_policy_data *wpolicy,
+ union ldlm_policy_data *lpolicy);
+void ldlm_extent_policy_local_to_wire(const union ldlm_policy_data *lpolicy,
+ union ldlm_wire_policy_data *wpolicy);
+void ldlm_flock_policy_wire_to_local(const union ldlm_wire_policy_data *wpolicy,
+ union ldlm_policy_data *lpolicy);
+void ldlm_flock_policy_local_to_wire(const union ldlm_policy_data *lpolicy,
+ union ldlm_wire_policy_data *wpolicy);
+
+/* ldlm_reclaim.c */
+#ifdef HAVE_SERVER_SUPPORT
+extern __u64 ldlm_reclaim_threshold;
+extern __u64 ldlm_lock_limit;
+extern __u64 ldlm_reclaim_threshold_mb;
+extern __u64 ldlm_lock_limit_mb;
+extern struct percpu_counter ldlm_granted_total;
+#endif
+int ldlm_reclaim_setup(void);
+void ldlm_reclaim_cleanup(void);
+void ldlm_reclaim_add(struct ldlm_lock *lock);
+void ldlm_reclaim_del(struct ldlm_lock *lock);
+bool ldlm_reclaim_full(void);
+
+static inline bool ldlm_res_eq(const struct ldlm_res_id *res0,
+ const struct ldlm_res_id *res1)
+{
+ return memcmp(res0, res1, sizeof(*res0)) == 0;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff