ocfs2: implement i_op->permission

Implement .permission() in ocfs2_file_iops, ocfs2_special_file_iops and
ocfs2_dir_iops.

This helps us avoid some multi-node races with mode change and vfs
operations.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 583bffe98091..21db45ddf144 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -2311,4 +2311,5 @@ struct inode_operations ocfs2_dir_iops = {
         .rename         = ocfs2_rename,
         .setattr        = ocfs2_setattr,
         .getattr        = ocfs2_getattr,
+        .permission     = ocfs2_permission,
 };