Changeset 35e81e2 in mainline for uspace/srv/vfs/vfs_ops.c

Timestamp:

2017-03-19T19:57:10Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

55a7fee

Parents:

3bbd921

Message:

Streamline vfs_op_statfs()

File:

• uspace/srv/vfs/vfs_ops.c (modified) (1 diff)

uspace/srv/vfs/vfs_ops.c

@@ -671 +671 @@
 int vfs_op_statfs(int fd)
 {
-        ipc_callid_t callid;
-        
-        if (!async_data_read_receive(&callid, NULL)) {
-                async_answer_0(callid, EINVAL);
-                return EINVAL;
-        }
-
         vfs_file_t *file = vfs_file_get(fd);
-        if (!file) {
-                async_answer_0(callid, EBADF);
-                return EBADF;
-        }
+        if (!file)
+                return EBADF;
 
         vfs_node_t *node = file->node;
 
         async_exch_t *exch = vfs_exchange_grab(node->fs_handle);
-                                                                
-        aid_t msg;
-        msg = async_send_3(exch, VFS_OUT_STATFS, node->service_id,
-        node->index, false, NULL);
-        async_forward_fast(callid, exch, 0, 0, 0, IPC_FF_ROUTE_FROM_ME);
-
+        int rc = async_data_read_forward_fast(exch, VFS_OUT_STATFS,
+            node->service_id, node->index, false, 0, NULL);
         vfs_exchange_release(exch);
 
-        sysarg_t rv;
-        async_wait_for(msg, &rv);
-
         vfs_file_put(file);
-        return rv;
+        return rc;
 }