On Thursday 01 December 2011 wrote Sage Weil: > On Thu, 1 Dec 2011, Amon Ott wrote: > > On Wednesday 30 November 2011 wrote Sage Weil: > > > I pushed a wip-i-ceph-lock branch to ceph-client.git that replaces our > > > (ab?)use of i_lock with a new i_ceph_lock in the ceph inode. This > > > avoids being bitten by the lock ordering constraint imposed by igrab(), > > > which requires i_lock to safely take a reference to an inode without > > > racing with inode destruction. This lets us keep two inode list locks > > > logically ordered inside i_ceph_lock (with i_lock as an inner lock). > > > > I see the branch, but there is nothing new in it. Is that the right > > location? Maybe forgot to push? > > > > https://github.com/NewDreamNetwork/ceph-client/tree/wip-i-ceph-lock > > Oops, I pushed the wrong branch. It's there now. Got the new commit, but it does not apply cleanly to my tree. I will try to get it merged tomorrow and retry. I cannot use kernel 3.2-pre here, the rest of the system needs to be stable. Interesting note: Even though I got the deadlock message in syslog, the system worked fine for another few hours, until all the MDS processes died (see my other mail). Amon Ott -- Dr. Amon Ott m-privacy GmbH Tel: +49 30 24342334 Am Köllnischen Park 1 Fax: +49 30 24342336 10179 Berlin http://www.m-privacy.de Amtsgericht Charlottenburg, HRB 84946 Geschäftsführer: Dipl.-Kfm. Holger Maczkowsky, Roman Maczkowsky GnuPG-Key-ID: 0x2DD3A649 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
