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Date: Fri, 2 Jul 2021 03:27:59 -0700 From: Josh Triplett <josh@...htriplett.org> To: Theodore Ts'o <tytso@....edu> Cc: Wang Jianchao <jianchao.wan9@...il.com>, Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, lishujin@...ishou.com Subject: Re: [PATCH V2 1/7] ext4: remove the 'group' parameter of ext4_trim_extent On Wed, Jun 23, 2021 at 03:49:52PM -0400, Theodore Ts'o wrote: > CC'ed Josh since he was testing this patchset. > > On Wed, Jun 23, 2021 at 09:13:42AM -0400, Theodore Ts'o wrote: > > > > The conflicts were relatively minor, but the obvious fix-ups resulted > > in a large number of crashes caused by various stress tests, such as > > generic/068 and generic/204. I'm currently investigating to see what > > I might have messed up when I tried applying these patches, as well as > > running your patch set applied against 5.12 to make sure the problems > > weren't introduced by the patch set itself. > > I applied this patch set on top of 5.12, where it applied w/o any > patch conflicts, and I'm still seeing large number of crashes[1]. The > crashes are in a wide variety of tests, and many of the stack traces > involve the ext4_discard_work workqueue. I applied this on top of a96bfed64c8986d6404e553f18203cae1f5ac7e6, which required some fixups. I didn't try to run any kind of intensive stress-tests, but I've run the deletion performance test I mentioned, as well as various software compiles and other miscellaneous work. I haven't run into any apparent issues.
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