Hmm... OK, let me make sure I understand what is going on. So you have a single file system which is mounted read/write, and you are doing a huge number of copies into the file system, which is keeping it busy. You are then running a huge number of "mount -o remount" on that same file system, which should effectively be no-op's, since the remount isn't actually change the read/only or read/write or any other mount options. Is that right? Why were you doing the remount in in your actual production workload, anyway? - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html