-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
extern cfs_atomic_t ldlm_srv_namespace_nr;
extern cfs_atomic_t ldlm_cli_namespace_nr;
-extern cfs_semaphore_t ldlm_srv_namespace_lock;
+extern cfs_mutex_t ldlm_srv_namespace_lock;
extern cfs_list_t ldlm_srv_namespace_list;
-extern cfs_semaphore_t ldlm_cli_namespace_lock;
+extern cfs_mutex_t ldlm_cli_namespace_lock;
extern cfs_list_t ldlm_cli_namespace_list;
static inline cfs_atomic_t *ldlm_namespace_nr(ldlm_side_t client)
&ldlm_srv_namespace_list : &ldlm_cli_namespace_list;
}
-static inline cfs_semaphore_t *ldlm_namespace_lock(ldlm_side_t client)
+static inline cfs_mutex_t *ldlm_namespace_lock(ldlm_side_t client)
{
return client == LDLM_NAMESPACE_SERVER ?
&ldlm_srv_namespace_lock : &ldlm_cli_namespace_lock;
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_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) */
};
int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr, ldlm_sync_t sync,
void ldlm_namespace_free_post(struct ldlm_namespace *ns);
/* ldlm_lock.c */
-/* 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;
- cfs_atomic_t restart;
- __u32 type; /* LDLM_BL_CALLBACK or LDLM_CP_CALLBACK */
+ struct ptlrpc_request_set *set;
+ int type; /* LDLM_{CP,BL,GL}_CALLBACK */
+ cfs_atomic_t restart;
+ cfs_list_t *list;
};
typedef enum {
- LDLM_WORK_BL_AST,
- LDLM_WORK_CP_AST,
- LDLM_WORK_REVOKE_AST
+ LDLM_WORK_BL_AST,
+ LDLM_WORK_CP_AST,
+ LDLM_WORK_REVOKE_AST,
+ LDLM_WORK_GL_AST
} ldlm_desc_ast_t;
void ldlm_grant_lock(struct ldlm_lock *lock, cfs_list_t *work_list);
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);
+#ifdef HAVE_SERVER_SUPPORT
int ldlm_reprocess_queue(struct ldlm_resource *res, cfs_list_t *queue,
cfs_list_t *work_list);
-int ldlm_run_ast_work(cfs_list_t *rpc_list, ldlm_desc_ast_t ast_type);
+#endif
+int ldlm_run_ast_work(struct ldlm_namespace *ns, cfs_list_t *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_nolock(struct ldlm_lock *lock);
void ldlm_lock_add_to_lru_nolock(struct ldlm_lock *lock);
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);
+/* 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
+
/* 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);
+#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, int *flags, int first_enq,
ldlm_error_t *err, cfs_list_t *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);
+int ldlm_init_flock_export(struct obd_export *exp);
+void ldlm_destroy_flock_export(struct obd_export *exp);
/* l_lock.c */
void l_check_ns_lock(struct ldlm_namespace *ns);
enum ldlm_policy_res {
LDLM_POLICY_CANCEL_LOCK,
- LDLM_POLICY_KEEP_LOCK
+ LDLM_POLICY_KEEP_LOCK,
+ LDLM_POLICY_SKIP_LOCK
};
typedef enum ldlm_policy_res ldlm_policy_res_t;
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))
+ (lock->l_flags & (LDLM_FL_FAILED | LDLM_FL_CANCEL)))
ret = 1;
unlock_res_and_lock(lock);
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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff