/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- *
- * This file is part of Lustre, http://www.lustre.org.
- *
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define MAX_STRING_SIZE 128
+
+extern atomic_t ldlm_srv_namespace_nr;
+extern atomic_t ldlm_cli_namespace_nr;
+extern struct semaphore ldlm_srv_namespace_lock;
+extern struct list_head ldlm_srv_namespace_list;
+extern struct semaphore ldlm_cli_namespace_lock;
+extern struct list_head ldlm_cli_namespace_list;
+
+static inline atomic_t *ldlm_namespace_nr(ldlm_side_t client)
+{
+ return client == LDLM_NAMESPACE_SERVER ?
+ &ldlm_srv_namespace_nr : &ldlm_cli_namespace_nr;
+}
+
+static inline struct list_head *ldlm_namespace_list(ldlm_side_t client)
+{
+ return client == LDLM_NAMESPACE_SERVER ?
+ &ldlm_srv_namespace_list : &ldlm_cli_namespace_list;
+}
+
+static inline struct semaphore *ldlm_namespace_lock(ldlm_side_t client)
+{
+ return client == LDLM_NAMESPACE_SERVER ?
+ &ldlm_srv_namespace_lock : &ldlm_cli_namespace_lock;
+}
+
/* ldlm_request.c */
typedef enum {
LDLM_ASYNC,
LDLM_SYNC,
} ldlm_sync_t;
-int ldlm_cancel_lru(struct ldlm_namespace *ns, ldlm_sync_t sync);
+/* Cancel lru flag, it indicates we cancel aged locks. */
+#define LDLM_CANCEL_AGED 0x00000001
+
+int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr, ldlm_sync_t sync);
+int ldlm_cancel_lru_local(struct ldlm_namespace *ns, struct list_head *cancels,
+ int count, int max, int flags);
/* ldlm_resource.c */
+int ldlm_resource_putref_locked(struct ldlm_resource *res);
void ldlm_resource_insert_lock_after(struct ldlm_lock *original,
struct ldlm_lock *new);
+int ldlm_namespace_free_prior(struct ldlm_namespace *ns);
+int ldlm_namespace_free_post(struct ldlm_namespace *ns, int force);
/* ldlm_lock.c */
-void ldlm_grant_lock(struct ldlm_lock *lock, void *data, int datalen,
- int run_ast);
+
+/* Number of blocking/completion callbacks that will be sent in
+ * parallel (see bug 11301). */
+#define PARALLEL_AST_LIMIT 200
+
+struct ldlm_cb_set_arg {
+ struct ptlrpc_request_set *set;
+ atomic_t restart;
+ __u16 type; /* LDLM_BL_CALLBACK or LDLM_CP_CALLBACK */
+};
+
+void ldlm_grant_lock(struct ldlm_lock *lock, struct list_head *work_list);
struct ldlm_lock *
-ldlm_lock_create(struct ldlm_namespace *ns,
- struct lustre_handle *parent_lock_handle, struct ldlm_res_id,
- __u32 type, ldlm_mode_t, ldlm_blocking_callback,
+ldlm_lock_create(struct ldlm_namespace *ns, struct ldlm_res_id,
+ ldlm_type_t type, ldlm_mode_t, ldlm_blocking_callback,
ldlm_completion_callback, ldlm_glimpse_callback, 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);
void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
- void *data, int datalen);
-int ldlm_reprocess_queue(struct ldlm_resource *res, struct list_head *queue);
-int ldlm_run_ast_work(struct ldlm_namespace *, struct list_head *rpc_list);
+ struct list_head *work_list);
+int ldlm_reprocess_queue(struct ldlm_resource *res, struct list_head *queue,
+ struct list_head *work_list);
+int ldlm_run_bl_ast_work(struct list_head *rpc_list);
+int ldlm_run_cp_ast_work(struct list_head *rpc_list);
+int ldlm_lock_remove_from_lru(struct ldlm_lock *lock);
+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);
/* ldlm_lockd.c */
int ldlm_bl_to_thread(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
- struct ldlm_lock *lock);
+ struct ldlm_lock *lock, int flags);
void ldlm_handle_bl_callback(struct ldlm_namespace *ns,
struct ldlm_lock_desc *ld, struct ldlm_lock *lock);
/* ldlm_plain.c */
int ldlm_process_plain_lock(struct ldlm_lock *lock, int *flags, int first_enq,
- ldlm_error_t *err);
+ ldlm_error_t *err, struct list_head *work_list);
/* ldlm_extent.c */
int ldlm_process_extent_lock(struct ldlm_lock *lock, int *flags, int first_enq,
- ldlm_error_t *err);
+ ldlm_error_t *err, struct list_head *work_list);
/* ldlm_flock.c */
-int ldlm_process_flock_lock(struct ldlm_lock *lock, int *flags, int first_enq,
- ldlm_error_t *err);
+int ldlm_process_flock_lock(struct ldlm_lock *req, int *flags, int first_enq,
+ ldlm_error_t *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);
+ int first_enq, ldlm_error_t *err,
+ struct list_head *work_list);
/* l_lock.c */
+void l_check_ns_lock(struct ldlm_namespace *ns);
void l_check_no_ns_lock(struct ldlm_namespace *ns);
-extern struct proc_dir_entry *ldlm_svc_proc_dir;
+extern cfs_proc_dir_entry_t *ldlm_svc_proc_dir;
+extern cfs_proc_dir_entry_t *ldlm_type_proc_dir;
struct ldlm_state {
struct ptlrpc_service *ldlm_cb_service;
int ldlm_init(void);
void ldlm_exit(void);
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff