On Tue, Apr 19, 2022 at 3:01 AM Xiubo Li <xiubli@xxxxxxxxxx> wrote: > > > On 4/18/22 10:45 PM, Aaron Tomlin wrote: > > On Mon 2022-04-18 18:52 +0800, Xiubo Li wrote: > >> Hi Aaron, > > Hi Xiubo, > > > >> Thanks very much for you testing. > > No problem! > > > >> BTW, did you test this by using Livepatch or something else ? > > I mostly followed your suggestion here [1] by modifying/or patching the > > kernel to increase the race window so that unsafe_request_wait() may more > > reliably see a newly registered request with an unprepared session pointer > > i.e. 'req->r_session == NULL'. > > > > Indeed, with this patch we simply skip such a request while traversing the > > Ceph inode's unsafe directory list in the context of unsafe_request_wait(). > > Okay, cool. > > Thanks again for your help Aaron :-) > > -- Xiubo > > > > [1]: https://tracker.ceph.com/issues/55329 > > > > Kind regards, > > > I went ahead and marked this for stable (it's already queued for -rc5). Thanks, Ilya
