On Fri, May 24, 2013 at 03:59:10PM +0530, Glauber Costa wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > Convert the buftarg LRU to use the new generic LRU list and take > advantage of the functionality it supplies to make the buffer cache > shrinker node aware. > > * v7: Add NUMA aware flag I know what is wrong with this patch that causes the unmount hang - it's the handling of the _XBF_LRU_DISPOSE flag no longer being modified atomically with the LRU lock. Hence there is a race where we can either lose the _XBF_LRU_DISPOSE or not see it and hence we can end up with code not detecting what list the buffer is on correctly. I haven't had a chance to work out a fix for it yet. If this ends up likely to hold up the patch set, Glauber, then feel free to drop it from the series and I'll push a fixed version through the XFS tree in due course.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
