The below patchset is NOT for patch queue. I am posting it here to get feedback regarding the approach and what test I need to run to make sure we are not breaking any locking rules. I have run dbench, ffsb, fsstress, fs_di, fs_inode, fsx_linux . Bonnie didn't run completely. In the automated setup i had it didn't save any logs to find out what went wrong. I will be looking into this - 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