From: Konstantin Khorenko <khorenko@virtuozzo.com>
To: andrey.zhadchenko@virtuozzo.com, "Denis V. Lunev" <den@openvz.org>
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 v2 0/4] dm-ploop: fix the pio submission stop around cmds
Date: Wed, 04 Nov 2026 20:09:49 +0100 [thread overview]
Message-ID: <179381938942.2751737.15136614580070748796.b4-ty@b4> (raw)
In-Reply-To: <20261104185519.1870488-1-den@openvz.org>
On Wed, 04 Nov 2026 19:55:15 +0100, Denis V. Lunev wrote:
> dm-ploop: fix the pio submission stop around cmds
>
> A cmd stops pio submission and waits for the inflight pios before it
> rewrites the BAT levels or deltas[], and expects nothing to touch them
> until it resumes. Konstantin found three ways this does not hold while
> reviewing the VSTOR-151979 series (VSTOR-152985, VSTOR-152984,
> VSTOR-152981):
>
> [...]
Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.18.vz10, thanks!
[1/4] dm-ploop: fix pio submission racing with the suspend and resume of a cmd
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/e136ba445aac
[2/4] dm-ploop: fix a lost wakeup of the ploop_allocator() thread
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/40cdeacffca0
[3/4] dm-ploop: wait for the ploop_allocator() thread before changing deltas[]
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/b1a60171d1ac
[4/4] dm-ploop: fix a failed cluster copy on grow leaving the BAT page busy
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/fd59086034ca
--
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
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prev parent reply other threads:[~2026-11-04 19:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 18:55 Denis V. Lunev
2026-11-04 18:55 ` [Devel] [PATCH hci-8.1 v2 1/4] dm-ploop: fix pio submission racing with the suspend and resume of a cmd Denis V. Lunev
2026-11-04 18:59 ` no-reply
2026-11-04 18:55 ` [Devel] [PATCH hci-8.1 v2 2/4] dm-ploop: fix a lost wakeup of the ploop_allocator() thread Denis V. Lunev
2026-11-04 18:59 ` no-reply
2026-11-04 18:55 ` [Devel] [PATCH hci-8.1 v2 3/4] dm-ploop: wait for the ploop_allocator() thread before changing deltas[] Denis V. Lunev
2026-11-04 19:02 ` no-reply
2026-11-04 18:55 ` [Devel] [PATCH hci-8.1 v2 4/4] dm-ploop: fix a failed cluster copy on grow leaving the BAT page busy Denis V. Lunev
2026-11-04 19:03 ` no-reply
2026-11-04 19:09 ` Konstantin Khorenko [this message]
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