9p: replace inode uid,gid,mode initialization with helper function

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index f2434fc..6d4d861 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -253,9 +253,7 @@
 		return ERR_PTR(-ENOMEM);
 	}
 
-	inode->i_mode = mode;
-	inode->i_uid = current_fsuid();
-	inode->i_gid = current_fsgid();
+	inode_init_owner(inode, NULL, mode);
 	inode->i_blocks = 0;
 	inode->i_rdev = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;