On Tue, Jun 20, 2017 at 08:43:30PM +0200, Gionatan Danti wrote: > Il 20-06-2017 19:02 Brian Foster ha scritto: > > > > ISTM you might as well write something in userspace that receives a > > notification from device-mapper and shuts down or remounts the fs if the > > volume has gone inactive or hit a watermark. I don't think we'd bury > > anything in XFS that cuts off and then resumes operations based on > > underlying device errors like that. That sounds like a very crude > > approach with a narrow use case. > > Absolutely, crude & ugly... > > > > > That said, I don't think I'd be opposed to something in XFS that > > (optionally) shutdown the fs in response to a similar dm notification > > provided we know with certainty that the underlying device is inactive > > (and that it can be accomplished relatively cleanly). > > > > This would be a much better approach. Any chances to get it implemented? > About your patches, I really like that they addresses the fallocate > propagation issue. Are they a work in progress? Any chances to have them > shipping in mainline kernel? > Not likely anytime soon, at least. Those patches were an experiment for an idea on how to improve usability in an XFS/dm-thin setup, but otherwise didn't seem to get much traction. One major downside is that the solution is specific to XFS. Brian > Thanks. > > -- > Danti Gionatan > Supporto Tecnico > Assyoma S.r.l. - www.assyoma.it > email: g.danti@xxxxxxxxxx - info@xxxxxxxxxx > GPG public key ID: FF5F32A8 > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
