[XFS] 956664: dm_read_invis() changes i_atime

SGI-PV: 956664
SGI-Modid: xfs-linux-melb:xfs-kern:27315a
Signed-off-by: Vlad Apostolov <vapo@sgi.com>
Signed-off-by: Sam Vaughan <sjv@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

fs/xfs/linux-2.6/xfs_ioctl.c

@@ -341,8 +341,11 @@ xfs_open_by_handle(
 		put_unused_fd(new_fd);
 		return -XFS_ERROR(-PTR_ERR(filp));
 	}
-	if (inode->i_mode & S_IFREG)
+	if (inode->i_mode & S_IFREG) {
+		/* invisible operation should not change atime */
+		filp->f_flags |= O_NOATIME;
 		filp->f_op = &xfs_invis_file_operations;
+	}
 
 	fd_install(new_fd, filp);
 	return new_fd;