LU-4101 mdt: protect internal xattrs

[fs/lustre-release.git] / lustre / obdclass / cl_io.c

diff --git a/lustre/obdclass/cl_io.c b/lustre/obdclass/cl_io.c
index af0fca0..b7ddaed 100644 (file)
--- a/lustre/obdclass/cl_io.c
+++ b/lustre/obdclass/cl_io.c
@@ -36,6 +36,7 @@
  * Client IO.
  *
  *   Author: Nikita Danilov <nikita.danilov@sun.com>
+ *   Author: Jinshan Xiong <jinshan.xiong@intel.com>
  */
 
 #define DEBUG_SUBSYSTEM S_CLASS
@@ -1287,27 +1288,6 @@ void cl_page_list_discard(const struct lu_env *env, struct cl_io *io,
 EXPORT_SYMBOL(cl_page_list_discard);
 
 /**
- * Unmaps all pages in a queue from user virtual memory.
- */
-int cl_page_list_unmap(const struct lu_env *env, struct cl_io *io,
-                      struct cl_page_list *plist)
-{
-       struct cl_page *page;
-       int result;
-
-       LINVRNT(plist->pl_owner == current);
-       ENTRY;
-       result = 0;
-       cl_page_list_for_each(page, plist) {
-               result = cl_page_unmap(env, io, page);
-               if (result != 0)
-                       break;
-       }
-       RETURN(result);
-}
-EXPORT_SYMBOL(cl_page_list_unmap);
-
-/**
  * Initialize dual page queue.
  */
 void cl_2queue_init(struct cl_2queue *queue)