David Chinner wrote: > On Sun, Feb 17, 2008 at 05:51:08PM +0100, Oliver Pinter wrote: > >> On 2/17/08, Török Edwin <[EMAIL PROTECTED]> wrote: >> >>> Hi, >>> >>> xfsaild is causing many wakeups, a quick investigation shows >>> xfsaild_push is always >>> returning 30 msecs timeout value. >>> > > That's a bug
Ok. Your patches fixes the 30+ wakeups :) > , and has nothing to do with power consumption. ;) > I suggest using a sysctl value (such as /proc/sys/vm/dirty_writeback_centisecs), instead of a hardcoded default 1000. That would further reduce the wakeups. > > I only managed to reproduce this on a lazy superblock counter > filesystem (i.e. new mkfs and recent kernel), The filesystem was created in July 2007 > Can you see if the patch below fixes the problem. Yes, it reduces wakeups to 1/sec. Thanks, --Edwin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
