Changes in uspace/srv/vfs/vfs_node.c [96b02eb9:44451ee] in mainline

File:

• uspace/srv/vfs/vfs_node.c (modified) (3 diffs)

uspace/srv/vfs/vfs_node.c

@@ -104 +104 @@
         bool free_vfs_node = false;
         bool free_fs_node = false;
-
-        fibril_mutex_lock(&nodes_mutex);
+        
+        fibril_mutex_lock(&nodes_mutex);
+        
         if (node->refcnt-- == 1) {
+                
                 /*
                  * We are dropping the last reference to this node.
                  * Remove it from the VFS node hash table.
                  */
+                
                 unsigned long key[] = {
                         [KEY_FS_HANDLE] = node->fs_handle,
@@ -116 +119 @@
                         [KEY_INDEX] = node->index
                 };
+                
                 hash_table_remove(&nodes, key, 3);
                 free_vfs_node = true;
+                
                 if (!node->lnkcnt)
                         free_fs_node = true;
         }
-        fibril_mutex_unlock(&nodes_mutex);
-
+        
+        fibril_mutex_unlock(&nodes_mutex);
+        
         if (free_fs_node) {
-                /* 
+                
+                /*
                  * The node is not visible in the file system namespace.
                  * Free up its resources.
                  */
-                int phone = vfs_grab_phone(node->fs_handle);
-                sysarg_t rc;
-                rc = async_req_2_0(phone, VFS_OUT_DESTROY,
-                    (sysarg_t)node->devmap_handle, (sysarg_t)node->index);
+                
+                async_exch_t *exch = vfs_exchange_grab(node->fs_handle);
+                sysarg_t rc = async_req_2_0(exch, VFS_OUT_DESTROY,
+                    (sysarg_t) node->devmap_handle, (sysarg_t)node->index);
+                
                 assert(rc == EOK);
-                vfs_release_phone(node->fs_handle, phone);
+                vfs_exchange_release(exch);
         }
+        
         if (free_vfs_node)
                 free(node);
@@ -284 +293 @@
 }
 
+
+/** Perform a remote node open operation.
+ *
+ * @return EOK on success or an error code from errno.h.
+ *
+ */
+int vfs_open_node_remote(vfs_node_t *node)
+{
+        async_exch_t *exch = vfs_exchange_grab(node->fs_handle);
+        
+        ipc_call_t answer;
+        aid_t req = async_send_2(exch, VFS_OUT_OPEN_NODE,
+            (sysarg_t) node->devmap_handle, (sysarg_t) node->index, &answer);
+        
+        vfs_exchange_release(exch);
+
+        sysarg_t rc;
+        async_wait_for(req, &rc);
+        
+        return rc;
+}
+
 /**
  * @}