* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
extern int ldlm_srv_namespace_nr;
extern int ldlm_cli_namespace_nr;
extern struct mutex ldlm_srv_namespace_lock;
-extern cfs_list_t ldlm_srv_namespace_list;
+extern struct list_head ldlm_srv_namespace_list;
extern struct mutex ldlm_cli_namespace_lock;
-extern cfs_list_t ldlm_cli_active_namespace_list;
-extern cfs_list_t ldlm_cli_inactive_namespace_list;
+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;
static inline int ldlm_namespace_nr_read(ldlm_side_t client)
{
ldlm_cli_namespace_nr--;
}
-static inline cfs_list_t *ldlm_namespace_list(ldlm_side_t client)
+static inline struct list_head *ldlm_namespace_list(ldlm_side_t client)
{
return client == LDLM_NAMESPACE_SERVER ?
&ldlm_srv_namespace_list : &ldlm_cli_active_namespace_list;
}
-static inline cfs_list_t *ldlm_namespace_inactive_list(ldlm_side_t client)
+static inline struct list_head *ldlm_namespace_inactive_list(ldlm_side_t client)
{
return client == LDLM_NAMESPACE_SERVER ?
&ldlm_srv_namespace_list : &ldlm_cli_inactive_namespace_list;
/* ns_bref is the number of resources in this namespace */
static inline int ldlm_ns_empty(struct ldlm_namespace *ns)
{
- return cfs_atomic_read(&ns->ns_bref) == 0;
+ return atomic_read(&ns->ns_bref) == 0;
}
void ldlm_namespace_move_to_active_locked(struct ldlm_namespace *, ldlm_side_t);
int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr,
ldlm_cancel_flags_t sync, int flags);
int ldlm_cancel_lru_local(struct ldlm_namespace *ns,
- cfs_list_t *cancels, int count, int max,
+ struct list_head *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);
-
+extern unsigned int ldlm_enqueue_min;
/* ldlm_resource.c */
+extern struct kmem_cache *ldlm_resource_slab;
+extern struct kmem_cache *ldlm_lock_slab;
+
int ldlm_resource_putref_locked(struct ldlm_resource *res);
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;
+ atomic_t restart;
+ struct list_head *list;
union ldlm_gl_desc *gl_desc; /* glimpse AST descriptor */
};
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(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 *
void ldlm_lock_decref_internal(struct ldlm_lock *, __u32 mode);
void ldlm_lock_decref_internal_nolock(struct ldlm_lock *, __u32 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);
#endif
-int ldlm_run_ast_work(struct ldlm_namespace *ns, cfs_list_t *rpc_list,
+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,
+ cfs_time_t last_use);
+#define ldlm_lock_remove_from_lru(lock) ldlm_lock_remove_from_lru_check(lock, 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);
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,
+ struct list_head *cancels, int count,
ldlm_cancel_flags_t cancel_flags);
void ldlm_handle_bl_callback(struct ldlm_namespace *ns,
/* ldlm_plain.c */
int ldlm_process_plain_lock(struct ldlm_lock *lock, __u64 *flags,
int first_enq, ldlm_error_t *err,
- cfs_list_t *work_list);
+ struct list_head *work_list);
/* ldlm_inodebits.c */
int ldlm_process_inodebits_lock(struct ldlm_lock *lock, __u64 *flags,
int first_enq, ldlm_error_t *err,
- cfs_list_t *work_list);
+ struct list_head *work_list);
#endif
/* ldlm_extent.c */
#ifdef HAVE_SERVER_SUPPORT
int ldlm_process_extent_lock(struct ldlm_lock *lock, __u64 *flags,
int first_enq, ldlm_error_t *err,
- cfs_list_t *work_list);
+ struct list_head *work_list);
#endif
void ldlm_extent_add_lock(struct ldlm_resource *res, struct ldlm_lock *lock);
void ldlm_extent_unlink_lock(struct ldlm_lock *lock);
/* ldlm_flock.c */
int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags,
int first_enq, ldlm_error_t *err,
- cfs_list_t *work_list);
+ 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 proc_dir_entry *ldlm_svc_proc_dir;
struct ldlm_state {
struct ptlrpc_service *ldlm_cb_service;
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;
}
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; \
- \
- spin_lock(&pl->pl_lock); \
- tmp = pl->pl_##var; \
- 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; \
- } \
- \
- spin_lock(&pl->pl_lock); \
- pl->pl_##var = tmp; \
- spin_unlock(&pl->pl_lock); \
- \
- return rc; \
- } \
- struct __##var##__dummy_write {;} /* semicolon catcher */
+#define LDLM_POOL_PROC_READER_SEQ_SHOW(var, type) \
+ static int lprocfs_##var##_seq_show(struct seq_file *m, void *v)\
+ { \
+ struct ldlm_pool *pl = m->private; \
+ type tmp; \
+ \
+ spin_lock(&pl->pl_lock); \
+ tmp = pl->pl_##var; \
+ spin_unlock(&pl->pl_lock); \
+ \
+ return lprocfs_uint_seq_show(m, &tmp); \
+ } \
+ struct __##var##__dummy_read {;} /* semicolon catcher */
+
+#define LDLM_POOL_PROC_WRITER(var, type) \
+ static int lprocfs_wr_##var(struct file *file, \
+ const char __user *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; \
+ } \
+ \
+ spin_lock(&pl->pl_lock); \
+ pl->pl_##var = tmp; \
+ spin_unlock(&pl->pl_lock); \
+ \
+ return rc; \
+ } \
+ struct __##var##__dummy_write {;} /* semicolon catcher */
+
+static inline void
+ldlm_add_var(struct lprocfs_vars *vars, struct proc_dir_entry *proc_dir,
+ const char *name, void *data, const struct file_operations *ops)
+{
+ snprintf((char *)vars->name, MAX_STRING_SIZE, "%s", name);
+ vars->data = data;
+ vars->fops = ops;
+ lprocfs_add_vars(proc_dir, vars, NULL);
+}
static inline int is_granted_or_cancelled(struct ldlm_lock *lock)
{
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)))
+ if ((lock->l_req_mode == lock->l_granted_mode) &&
+ !ldlm_is_cp_reqd(lock))
+ ret = 1;
+ else if (ldlm_is_failed(lock) || ldlm_is_cancel(lock))
ret = 1;
unlock_res_and_lock(lock);
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,
+void ldlm_flock_policy_wire_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,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff