- more LDLM refcount locking infrastructure

[fs/lustre-release.git] / lustre / include / linux / lustre_dlm.h

diff --git a/lustre/include/linux/lustre_dlm.h b/lustre/include/linux/lustre_dlm.h
index af9a2f6..898e182 100644 (file)
--- a/lustre/include/linux/lustre_dlm.h
+++ b/lustre/include/linux/lustre_dlm.h
@@ -102,7 +102,7 @@ struct ldlm_lock;
 
 typedef int (*ldlm_lock_callback)(struct lustre_handle *lockh,
                                   struct ldlm_lock_desc *new, void *data,
-                                  __u32 data_len, struct ptlrpc_request **req);
+                                  __u32 data_len);
 
 struct ldlm_lock {
         __u64                  l_random;
@@ -174,6 +174,15 @@ struct ldlm_resource {
         void                  *lr_tmp;
 };
 
+struct ldlm_ast_work { 
+        struct ldlm_lock *w_lock;
+        int               w_blocking;
+        struct ldlm_lock_desc w_desc;
+        struct list_head   w_list;
+        void *w_data;
+        int w_datalen;
+};
+        
 static inline struct ldlm_extent *ldlm_res2extent(struct ldlm_resource *res)
 {
         return (struct ldlm_extent *)(res->lr_name);
@@ -181,17 +190,23 @@ static inline struct ldlm_extent *ldlm_res2extent(struct ldlm_resource *res)
 
 extern struct obd_ops ldlm_obd_ops;
 
-#define LDLM_DEBUG(lock, format, a...)                          \
-do {                                                            \
-        CDEBUG(D_DLMTRACE, "### " format                        \
-               " (%s: lock %p mode %d/%d on res %Lu (rc %d) "   \
-               " type %d remote %Lx)\n" , ## a,                 \
-               lock->l_resource->lr_namespace->ns_name, lock,   \
-               lock->l_granted_mode, lock->l_req_mode,          \
-               lock->l_resource->lr_name[0],                    \
-               atomic_read(&lock->l_resource->lr_refcount),     \
-               lock->l_resource->lr_type,                       \
-               lock->l_remote_handle.addr);                     \
+
+extern char *ldlm_lockname[];
+extern char *ldlm_typename[];
+
+#define LDLM_DEBUG(lock, format, a...)                                  \
+do {                                                                    \
+        CDEBUG(D_DLMTRACE, "### " format                                \
+               " (%s: lock %p(rc=%d/%d,%d) mode %s/%s on res %Lu"       \
+               "(rc=%d) type %s remote %Lx)\n" , ## a,                  \
+               lock->l_resource->lr_namespace->ns_name, lock,           \
+               lock->l_refc, lock->l_readers, lock->l_writers,          \
+               ldlm_lockname[lock->l_granted_mode],                     \
+               ldlm_lockname[lock->l_req_mode],                         \
+               lock->l_resource->lr_name[0],                            \
+               atomic_read(&lock->l_resource->lr_refcount),             \
+               ldlm_typename[lock->l_resource->lr_type],                \
+               lock->l_remote_handle.addr);                             \
 } while (0)
 
 #define LDLM_DEBUG_NOLOCK(format, a...)                 \
@@ -206,10 +221,11 @@ void ldlm_lock2handle(struct ldlm_lock *lock, struct lustre_handle *lockh);
 struct ldlm_lock *ldlm_handle2lock(struct lustre_handle *handle);
 void ldlm_lock2handle(struct ldlm_lock *lock, struct lustre_handle *lockh);
 void ldlm_lock_put(struct ldlm_lock *lock);
-void ldlm_lock_free(struct ldlm_lock *lock);
+void ldlm_lock_destroy(struct ldlm_lock *lock);
 void ldlm_lock2desc(struct ldlm_lock *lock, struct ldlm_lock_desc *desc);
-void ldlm_lock_addref(struct ldlm_lock *lock, __u32 mode);
-void ldlm_lock_decref(struct ldlm_lock *lock, __u32 mode);
+void ldlm_lock_addref(struct lustre_handle *lockh, __u32 mode);
+void ldlm_lock_addref_internal(struct ldlm_lock* , __u32 mode);
+void ldlm_lock_decref(struct lustre_handle *lockh, __u32 mode);
 void ldlm_grant_lock(struct ldlm_lock *lock);
 int ldlm_lock_match(struct ldlm_namespace *ns, __u64 *res_id, __u32 type,
                     void *cookie, int cookielen, ldlm_mode_t mode,
@@ -226,6 +242,7 @@ ldlm_error_t ldlm_lock_enqueue(struct ldlm_lock *lock, void *cookie,
 struct ldlm_resource *ldlm_lock_convert(struct ldlm_lock *lock, int new_mode,
                                         int *flags);
 void ldlm_lock_cancel(struct ldlm_lock *lock);
+void ldlm_run_ast_work(struct list_head *rpc_list);
 void ldlm_reprocess_all(struct ldlm_resource *res);
 void ldlm_lock_dump(struct ldlm_lock *lock);
 
@@ -252,6 +269,7 @@ int ldlm_lock_change_resource(struct ldlm_lock *lock, __u64 new_resid[3]);
 /* ldlm_request.c */
 int ldlm_cli_enqueue(struct ptlrpc_client *cl, 
                      struct ptlrpc_connection *peer,
+                     struct lustre_handle *connh,
                      struct ptlrpc_request *req,
                      struct ldlm_namespace *ns,
                      struct lustre_handle *parent_lock_handle,
@@ -264,11 +282,11 @@ int ldlm_cli_enqueue(struct ptlrpc_client *cl,
                      void *data,
                      __u32 data_len,
                      struct lustre_handle *lockh);
-int ldlm_cli_callback(struct ldlm_lock *lock, struct ldlm_lock_desc *new,
-                      void *data, __u32 data_len, struct ptlrpc_request **reqp);
-int ldlm_cli_convert(struct ptlrpc_client *, struct lustre_handle *,
+int ldlm_server_ast(struct lustre_handle *lockh, struct ldlm_lock_desc *new,
+                    void *data, __u32 data_len);
+int ldlm_cli_convert(struct ptlrpc_client *, struct lustre_handle *, struct lustre_handle *connh, 
                      int new_mode, int *flags);
-int ldlm_cli_cancel(struct lustre_handle *);
+int ldlm_cli_cancel(struct lustre_handle *lockh, struct lustre_handle *connh);
 
 #endif /* __KERNEL__ */