On Sun, May 12, 2013 at 08:11:59PM -0700, Tony Luck wrote: > > My best guess as to why this commit causes problems is that there are places > where updates to individual fields in this structure used to be independent > because they were to whole words. Now we have bitfileds there are races > between access to different fields in the same word. Yeah, except we access the fields while holding a lock.... wait a minute. We're using bit_spinlocks().... and am I missing something? Where are the barrier statements to prevent the CPU or the compiler from reordering statements around bit_spin_lock()? But if that's the problem, I would have expected lots of other things to be broken. - 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
