On Wed, Mar 27, 2013 at 4:55 AM, Kay Sievers <k...@vrfy.org> wrote: > On Sun, Mar 24, 2013 at 3:38 AM, Kok, Auke-jan H > <auke-jan.h....@intel.com> wrote: > >>>> I don't see anything in udev code setting IOPRIO... perhaps elevating >>>> the few calls doing bklid and mount might be helpful? >>> >>> Maybe that really makes a difference, we should definitely try that. >>> The blkid calls are really limited to a few bytes here and there, and >>> will never loop for a long time, so that should be fine. >>> >>> Do you have a box, where you could you give it a quick try to bump the >>> prio for the libblkid calls: >>> ioprio_set(IOPRIO_WHO_PROCESS, getpid(), ...) >>> in: >>> src/udev/udev-builtin-blkid.c >>> ? >> >> I left my non-ssd dev box in the office, so it'll be monday - but I'll >> absolutely give it a good test run. > > Could you still give that a simple try with current git and the > chunking in place, so that we have some idea if the blkid calls would > benefit from a higher priority? > > Even if we decide against doing that in the end, it would be nice to know ...
Totally I'm pretty sure it'll make a big dent, and I started looking at it already... Auke _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel