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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48fed272d5fsi5021325f8f.111.2026.11.04.10.46.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 10:46:57 -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="qNT/q5C1"; 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=Fz5G8OCxYbAbiFDLkN9MoPXre3pAwczbtAnBhASZLcA=; b=qNT/q5C1DNc3NgoEOff QHaga8o2Elthjy3QbNiJLKA5Rvcxe8g0oVw4jIoF5wsxaxYgmCGL8w8sbRH1xB2tn4DAnN0CP3z+v hcqPpmqVe8TGdk2zQlQuOF1vivQpvN02o1g0C18+7kPFIfwT6pVg1ZQUFSFQMBeUgn6WUd9ZRW9py hVxCdjS/W8XuC8E0WNCP3xDZ0gM5Qx1XPUTl5iWHpFBlF/ynSMt7gD9aMBYe6W0Rvc15MGw0gdNHl kZR3pAW+dSX1RMUkn3D3nXSaC+mu3je1Vu6YJwo/txf+//edoKu6ABrT4AHt3brDvh4QWf9yRzo/t Zgqsf3d1+R38tJw==; 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 1xOfwh-00GmAb-23; Wed, 04 Nov 2026 19:46:55 +0100 From: Konstantin Khorenko To: alexander.ivanov@virtuozzo.com, Andrey Zhadchenko In-Reply-To: <20261104083818.856720-1-andrey.zhadchenko@virtuozzo.com> References: <20261104083818.856720-1-andrey.zhadchenko@virtuozzo.com> Message-Id: <179381801427.2740628.7719253823820726532.b4-ty@b4> Date: Wed, 04 Nov 2026 19:46:54 +0100 MIME-Version: 1.0 X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1796; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=tMwbBQVbu93AcIeaohCijFWwtQOrfckTJw4iMGB2css=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBq632g1PVmP0RqJZ3Z+t5md5glF9DGhRHGYRrKX 16NiPLGNBOJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCaut9oAAKCRBRlgpH+WFc KjbHEACh1U8+oazanjEVCOKwrnjGqyJoRRsvwCz+gRPgf+hJf5oALksYywzNNViMON8VN5A2BWI p4uM1zrxdp2UKU8ultfMxkgHIKjUFL5dLe17xta5xCr8KiiiLVTcBIMNkN9fidbEMgMI3Xaafcb tc5S4nMNVHlHD7ld5ll43WxJ3DPYZ9vPKrYUqzLsRKJkNETd77UGxD7FgLNsHgwe2pPQhzmAyf5 i8mbT9ywayqBt+tQiryBw6RK4B+NVKSxM9wtY0t81B/uz92znKtMi0L986KM/Q9t9AoGOlnjErY NCmzEClLdMe6nCtuHgFNeUcCjbKdMQmGDpC6JGWhgPLODm58xBNa45KAhEt7pUMf2XMcP0NiV+G SadEhmISTSohOKdkeOJRfsrwnNqPyyRs/ptfIbveeq5DhEEMRN0avYo4VEC9XlKX22v4TQ4kTCT 4PRX9Er58WRRTLxwBDWWcZjHp0A+VJ5n5E85A+3VmaTpXG9O9I7uw6AQPdL5YpuwzjzStXZHpFZ UOHX65TH5t4Xtagosvf/PiDwqtHD+X8DaCiZ5EnvEgBPtXuMIuBPQ2gniUGMGyxV3k/BC4Mb3rX uaOVynYTjQ1shr1ufOCJ98KSRaauwhT0iPHCBk0fBA/qvKrgaZZuFfAq2+qsF/1oWLCut2kTA8a 1Jc5926cVPvZ1uw== 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 v6 0/7] dm/push_backup: event fd interface and fixes 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 11:38:11 +0300, Andrey Zhadchenko wrote: > dm/push_backup: event fd interface and fixes > > The push_backup target currently makes the backup tool wait for the next > cluster range inside the "push_backup_read" target message. dm runs > target_message() under dm_get_live_table(), i.e. with md->io_barrier SRCU > read-locked, so while the tool sleeps there anything that needs > synchronize_srcu(&md->io_barrier) on that device is stuck: suspend, table > reload/remove and dm_internal_suspend_fast() from "@stats_create". An > unrelated dm-stats user hangs, and everything that later queues behind > md->suspend_lock hangs with it. > > [...] 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! [1/7] dm/push_backup: correct initialization https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/2c3179e99249 [2/7] dm/push_backup: return error if workqueue allocation fails https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/d3737f6dad9b [3/7] dm/push_backup: clear pb->alive under pb->lock https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/5b615448f233 [4/7] dm/push_backup: fix mod_timer() usage https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/33cc901a3a60 [5/7] dm/push_backup: arm deadline timer under pb->lock https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f14fc880548e [6/7] dm/push_backup: do not re-arm deadline timer in push_backup_write() https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/65f085404139 [7/7] dm/push_backup: add event file descriptor interface https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/a44ab4b5751c -- Konstantin Khorenko, Virtuozzo Linux Kernel Team _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel