On Mon, Oct 10, 2011 at 09:34:12PM -0500, John wrote: > On Sat, Oct 8, 2011 at 10:35 AM, Josef Bacik <jo...@redhat.com> wrote: > > > > > I think I fixed this, try my git tree > > > > git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work.git > > > > Let me know if it helps. And what are you doing when you call sync? I've > > not > > been able to reproduce this problem so I'm having a hard time nailing down > > what > > it is, so if I can get a reliable way to reproduce it I'll try and figure > > it > > out. Thanks, > > > > I've been seeing very slow syncs (and unmounts) and this helps. Under 3.0.0 > if I mounted the FS (which is 200G, about 97G used with ~720 snapshots) it > took about 3 minutes 40 seconds. If I did another sync right away it took > the same amount of time. With a kernel compiled from your repo the first > time I sync it takes about 1 minute, as soon as I sync a btrfs-endio-met > and btrfs-cache-0 process show up in top and a lot of IO happens. Once those > go away (which takes a couple minutes) then it takes well under a second. If > I unmount and remount it acts exactly the same. Will those changes be up in > 3.1 or 3.2? If you want me to test anything else, I'm happy to do so. >
They'll show up in 3.2. Thanks for testing, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
