General

Profile

Jeff Layton

Issues

Projects

  • Ceph (Developer, Reporter, 06/23/2016)
  • Linux kernel client (Developer, Reporter, 06/23/2016)
  • phprados (Developer, Reporter, 06/23/2016)
  • devops (Developer, Reporter, 06/23/2016)
  • rbd (Developer, Reporter, 06/23/2016)
  • rgw (Developer, Reporter, 06/23/2016)
  • sepia (Developer, Reporter, Backporter, 06/23/2016)
  • fs (Developer, Reporter, 06/23/2016)
  • teuthology (Developer, Reporter, 06/23/2016)
  • rados-java (Developer, Reporter, 06/23/2016)
  • Calamari (Developer, Reporter, 06/23/2016)
  • Ceph-deploy (Developer, Reporter, 06/23/2016)
  • ceph-qa-suite (Developer, Reporter, 06/23/2016)
  • Tools (Developer, Reporter, Backporter, 06/23/2016)
  • Infrastructure (Developer, Reporter, Backporter, 06/23/2016)
  • ceph-cm-ansible (Developer, Reporter, Backporter, 06/23/2016)
  • paddles (Developer, Reporter, Backporter, 06/23/2016)
  • pulpito (Developer, Reporter, Backporter, 06/23/2016)
  • downburst (Developer, Reporter, Backporter, 06/23/2016)
  • ovh (Developer, Reporter, Backporter, 06/23/2016)
  • www.ceph.com (Developer, Reporter, Backporter, 08/22/2016)
  • CI (Reporter, 01/10/2017)
  • mgr (Developer, Reporter, 06/28/2017)
  • rgw-testing (Developer, Reporter, 11/01/2016)
  • RADOS (Developer, Reporter, 06/07/2017)
  • bluestore (Developer, Reporter, 11/29/2017)
  • ceph-volume (Developer, Reporter, 11/13/2018)
  • Messengers (Developer, Reporter, 03/12/2019)
  • Orchestrator (Developer, Reporter, 01/16/2020)

Activity

05/28/2020

03:27 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Andrej Filipcic wrote:
>
> I have checked 5.6.15 kernel patches, but this fix does not seem to be there yet?
>
...

05/20/2020

02:47 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Ok, this patch (suggested by Zheng) seems to fix it.
Andrej, can you test it out and confirm whether it fixes it f...
01:07 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Ok, threw in a little printk debugging and it looks like the lease generations are not matching up like I'd expect. S...
12:21 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Thanks for running the bisect. I can confirm that if I set the d_delete op to NULL, that this problem goes away. That...
10:42 AM fs Feature #12334 (Resolved): nfs-ganesha: handle client cache pressure in NFS Ganesha FSAL
Ceph patches were merged.

05/19/2020

08:03 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Ok, if you feel ambitious, there is a function in fs/ceph/mds_client.c called schedule_delayed(). That requeues the d...
05:32 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Andrej Filipcic wrote:
> The main issue is that this 5s delay remains forever, eg hours or more, even if the clien...
04:24 PM fs Bug #45532: cephfs kernel client rmdir degradation/regression in kernels 5.1 and higher
Ok, I reproduced this today and it seems like it's just that when an inode is created, we generally give a full set o...

05/18/2020

05:59 PM fs Bug #45521: mds: layout parser does not handle [-.] in pool names
Zheng Yan wrote:
>
> is this behavior related to this issue?
>
Not at all -- I put this in the wrong tracker....
12:58 PM fs Bug #44976: MDS problem slow requests, cache pressure, damaged metadata after upgrading 14.2.7 to...
Unfortunately, ganesha doesn't have great instrumentation in this area. There is a ganeshactl program that ships with...

Also available in: Atom