Changeset 5bcd5b7 in mainline for uspace/srv/vfs/vfs_node.c

Timestamp:

2013-07-29T14:36:57Z (11 years ago)

Author:

Jiri Zarevucky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4636a60

Parents:

677745a

Message:

Add support for server-side mounts.

File:

• uspace/srv/vfs/vfs_node.c (modified) (2 diffs)

uspace/srv/vfs/vfs_node.c

@@ -196 +196 @@
 }
 
+vfs_node_t *vfs_node_peek(vfs_lookup_res_t *result)
+{
+        vfs_node_t *node = NULL;
+
+        fibril_mutex_lock(&nodes_mutex);
+        ht_link_t *tmp = hash_table_find(&nodes, &result->triplet);
+        if (tmp) {
+                node = hash_table_get_inst(tmp, vfs_node_t, nh_link);
+        }
+        fibril_mutex_unlock(&nodes_mutex);
+
+        return node;
+}
+
 /** Return VFS node when no longer needed by the caller.
  *
@@ -317 +331 @@
 }
 
+bool vfs_node_has_children(vfs_node_t *node)
+{
+        async_exch_t *exch = vfs_exchange_grab(node->fs_handle);
+        int rc = async_req_2_0(exch, VFS_OUT_IS_EMPTY, node->service_id, node->index);
+        vfs_exchange_release(exch);
+        return rc == ENOTEMPTY;
+}
+
 /**
  * @}