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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48ff0257679si5649642f8f.425.2026.11.04.11.09.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 11:09:52 -0800 (PST) Received-SPF: pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=VspKKmyp; spf=pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=khorenko@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Content-Type:MIME-Version:Date:Message-Id:Subject :From; bh=X0v5qR5e9XWlmdFjMyIIPXhpy5FbpICNDV2UDuZ6GGU=; b=VspKKmyp9gfEywqkYYV KS/5JYKQvUwkD/mPXphsrGdbvJAF43ki0umrrPdGrEEaeTXp32eKj4z1bh2RvNOMkzzfTr6wjfUnk VS0vqfUGDNsCuxHIBQJZgEOzRFaoiXX8StWvnWeSXfENbiY6NINfZXvnxSPi024UWyaTRrlI+z0MB /X3yL7GXWSw67j3QmuU9hlCMiOB3vCLMZvSiSbx1u0QsvC25bQOQNSCZAa1V1f3KlDDofb4v3d49k kbyeiKTmgB4hOYBM2LWga9N8zLfgqF3U1qEoiUj9QRaf+uw7U9i2XvN9KZj6uYw2wwmg0OqZ5R2XX +cH/NpjWodqu3/Q==; Received: from ch-demo-asa.virtuozzo.com ([130.117.225.8] helo=f0.sw.ru) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xOgIt-00HAef-07; Wed, 04 Nov 2026 20:09:51 +0100 From: Konstantin Khorenko To: andrey.zhadchenko@virtuozzo.com, "Denis V. Lunev" In-Reply-To: <20261104185519.1870488-1-den@openvz.org> References: <20261104185519.1870488-1-den@openvz.org> Message-Id: <179381938942.2751737.15136614580070748796.b4-ty@b4> Date: Wed, 04 Nov 2026 20:09:49 +0100 MIME-Version: 1.0 X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1223; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=S0+lgWjIIsywCeGHkT+p+Harvw8sy/0UcooN0rNtLOE=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBq64L/QK5CwK/Ga97q1ts3ok713unk7ROrZlE1g 0w6u3Qt9cKJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCauuC/wAKCRBRlgpH+WFc KnaOD/4kn2+PsTfJ5ByHYSpBPQ3bhRJsmcGry9FJKT+7KTfYNDbUbUrUgB8eGzmZT8dOnEzjxXV eVrvFbvUFFunjtFzVGVSXxQm5EyCPi+C2w7veVqrPWio5CQUQ7horHrvgeFBCQm2cFkK1hxvulv 1hubGrNRLMZ1mh26UC/Ql/UTT8t8Tsqa8Xmool6UAdlxx85oJoL3dnSt7WweryVWb2jCWFn0pNp 5KO+ov4c1M5/fAyobVc+W5wVV9eUjfZsxV+9qFcsvgow9GEs04F+ll3tF1UoFwz/+DNVR9qG+4I TVTx+VvQZuk25gyorydvoeJb9C+P4dLwt//rrl0jM82r1tWVhXPAnU/tksrbwBT27y6qgBHKrdh AsaPBA9CJv1sh+0KVOJldgMqE1dZ4xdKVJ1WKjhfSqSvq91OxldXWeeOTUiKp7/XSIlOxVpI69u EiWPVO080RfRjsh0/Cw1Kj7cyYmFxsCQ1bTZalYIsTyqx/UOmx6mOARH9geAAuoIlh+ucXGlqsB SfecsVu++erzHwVGE3+DbbSAxoVkA6j+n5FgR14s6O6mhILc3bhg4K5YQnU9H8j7K0YxxtVP2DK PexJ0ZykFfwqh2Ezt8Iv/2jfQPz8V4MZjXgj9B0K8Xc2oQyUJawQcs9FClzguWpgPHPm8li7pma jZlpZLJjn3rnknQ== X-Developer-Key: i=khorenko@virtuozzo.com; a=openpgp; fpr=560F6DC83DC5D3D063BD082C51960A47F9615C2A X-OZ-Fwd: true Cc: devel@openvz.org Subject: Re: [Devel] [PATCH hci-8.1 v2 0/4] dm-ploop: fix the pio submission stop around cmds X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@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 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel