--- fs/ext3/super.c

+++ fs/ext3/super.c

@@ -1404,6 +1404,13 @@ static void ext3_orphan_cleanup (struct

return;

}

+ /* Check if feature set allows readwrite operations */

+ if (EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP)) {

+ printk(KERN_INFO "EXT3-fs: %s: Skipping orphan cleanup due to "

+ "unknown ROCOMPAT features\n", sb->s_id);

+ return;

+ }

+

if (EXT3_SB(sb)->s_mount_state & EXT3_ERROR_FS) {

if (es->s_last_orphan)

jbd_debug(1, "Errors on filesystem, "