On Fri, Feb 12, 2016 at 11:48:27PM -0800, Christoph Hellwig wrote: > On Sat, Feb 13, 2016 at 01:33:10PM +1100, Dave Chinner wrote: > > > allocate an extent (or rather just a single block) in xfs_alloc_ag_vextent > > > as called from xfs_refcountbt_alloc_block. The reservation helps us to > > > ensure this block is always available, but we still need to account for > > > that in xfs_trans_reserve(), which we currently don't do for itruncate > > > transactions. > > > > Ok, so we may have two different issues with a similar failure > > symptom. As it is, I don't think this is a show stopper - we're > > expecting to find these sorts of issues as we go along (hence the > > experimental tag on the feature) and I think, at this point, getting > > review and an initial merge done is more important... > > This triggers 100% reproducible over NFS, and as outlined I'm > also pretty sure about the root cause. I don't think this is something > to be ignored. I didn't say we should to ignore it - I simply stated my priority was getting the code reviewed and merged. That doesn't stop you or Darrick from working on a fix - if that happens after the initial merge, we've still got the whole -rc cycle to find and fix issues like this. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs