From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.openvz.org (mail.openvz.org [69.168.225.77]) by lore.virtuozzo.com (Postfix) with ESMTPS id AECA0811BB for ; Wed, 4 Nov 2026 21:36:57 +0000 (UTC) Received: from mail.openvz.org (localhost [127.0.0.1]) by mail.openvz.org (8.14.4/8.14.4) with ESMTP id 6A4LZd4n027069; Thu, 5 Nov 2026 00:35:40 +0300 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.openvz.org 6A4LZd4n027069 Authentication-Results: mail.openvz.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="jlTRM9wR" Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by mail.openvz.org (8.14.4/8.14.4) with ESMTP id 6A4LZFj7027019 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=FAIL) for ; Thu, 5 Nov 2026 00:35:15 +0300 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.openvz.org 6A4LZFj7027019 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-49034831bb3so720062f8f.1 for ; Wed, 04 Nov 2026 13:35:15 -0800 (PST) X-Forwarded-Encrypted: i=2; AKwUvBybNMOrMGjNpZKOQMjG70E7fCa6vJudPxNISoEnsTYd5phNPpnzc26R97Yun4sQrXI5Ee+z5g==@openvz.org X-Gm-Message-State: APuU4Z8Dsz/I8i+0Hdcc+NG9NJ0BW0zsinerSb6IoftG0SLEshTWCmak 22JqrHFCZWMGhyACr3VKbnwVoz7bQWJAnikPLfSsmd5rvmLOo2tCIIrAWSMilAWe5uLoClOgJC0 okSCVb0SGxDuLtUQi79FPXdtuvqNAqY3YebbPodsSKYL4VZlT+2EyJQ== X-Gm-Gg: AYBFou3tAoDvL5bJd9lMoa4vJCjOS+lF37/tfQUBx0r8gAxq+ywVUCcxpBBxLFyUABY EXmi/y6d/ufhJNfvPk0Qo/4VSZDNZz2Lk4Nkti93wo3GYU4qXB3twhmuygs+fcfXRALDFNoI8OI dMp5N7XUYxYAf0V++DKLaKjCBNjwfYMgZi5BV+/ghVU1EFuCezn4X4GIbqjG+Zjn+RKqjEUQWmJ hpRbYYMpp8QiT2i+lrgFxu/cMwfOn/SbyIutINmkNCTjsRibqoEEJ+cXByXzuaRRWCW59eSo4XA mkF+LtWkoaNs8/SCtzghcl5AT1DlOBMknMl+sGJ0jhlkOMrKdT8L22QRxlHbgMQDGzE1uQC2b0F ehd7iLgKDHLKrNvZJ X-Received: by 2002:a05:6000:260d:b0:487:1256:ab80 with SMTP id ffacd0b85a97d-48e6e521406mr37340559f8f.57.1793828115565; Wed, 04 Nov 2026 13:35:15 -0800 (PST) X-Received: by 2002:a05:6000:260d:b0:487:1256:ab80 with SMTP id ffacd0b85a97d-48e6e521406mr37340543f8f.57.1793828115119; Wed, 04 Nov 2026 13:35:15 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1793828115; cv=none; d=google.com; s=arc-20260327; b=TAtMp/MAb50VmTbIYHRxm58WSZhZzd/D7TrUya8xPfBAMMBRYGZIlTvvrOGQ3KtoKs UCcYfvzGC6l0GRFyVRYuDbs4QsNajlAmOXnCVwSyQDWB8MKW68TPQf173oVJwn01rmm5 LpJ+8nVdWkReim+llQBjfTa/N29D3b/VedGjTcA5U5suZrySG/npSBmSUpoxXoPOu7ea Vi+BlYkelgAo1huDBTJAhJwuP7jpBeqnrEBtgJ0CPFyk59auUkbj+hJXEm2VqKpSXndU qU3Bz5ocILXS6CGbEZ7ruZk4lvZl2tzSUOQodKlocBQtuy3rEDM2M3ueEjfF+jonZJ3g Ww3A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20260327; h=message-id:date:references:in-reply-to:cc:to:from:subject :content-transfer-encoding:mime-version:dkim-signature; bh=fUeEfzO37GCTyqcuUOvH5ckteIE1jidbdRRibdirKcc=; fh=wM93IzJ1q6YTmltzeth+TON77Ag69AF1TepZ24u7du4=; b=aal3ptH3tHr3ApliXzxdAKFfDq/b9roSYuHeopjhkuB2H+e/X9TTNHpEmdcRNK2lO/ rdvrKQwVIXx1GzRsYQBCN7/xbQDiYS3AS1ii3dsZ5P+I1NIjy1MHsjtDLhd/SJD+PNDc h/1j6Nlqb/AUQU9YlDfrqqTBAXONtTmhhCt5jUpRcxYvQ5BusbC8QEmukvNGIJEkm7Ub qzosKisl6/oTiSm3pvs7KmrLzhXChmhJZdKQVWxtdJLoZcM1byddf8m5+lYpjdlzlSRs A7ls+4wmw0R/M1qiUlqbu8yItyecgH+056TBge3D33PgMvmWVR0vE2VLAhRaINjf4Oln gJCg==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=jlTRM9wR; 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 Received: from relay.virtuozzo.com (relay.virtuozzo.com. [130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48ff0a03202si6249414f8f.494.2026.11.04.13.35.15 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 13:35:15 -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=jlTRM9wR; 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=Message-Id:Date:From:Subject:Content-Type: MIME-Version; bh=fUeEfzO37GCTyqcuUOvH5ckteIE1jidbdRRibdirKcc=; b=jlTRM9wRnJDz 2vHkDk+jcB/r7GRcF9eDO9+n0jCqRV4OauToneZlCmUFGcjBJPXRu2vd3KwSxnZ+D0m+w5d8QG/Gy 2n8nHWDAuOVe+zA4tf7CSGtpP4W+sROlH1ok3ST/TpkiN3wPdp9QB0mtbiGpYjXUgEc+cU/jTNoVG 0DI7qMM0uWc4xzXOT82RyTZjQSIgvW86ZFmQ/LjjcQ7q2JEJQAC5utWdTWqiLOvJ57OFX7Ln+HvD8 G0OO6DyMICEHa7X/q41AvV+GK81BqGVs7bOn6vApZAYICUoRLMlYNBECVgqCPE+NwqFbwCmTIu1WV ZHO+3SskdfQGhi3unoJVTQ==; 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 1xOiZZ-00248s-1m; Wed, 04 Nov 2026 22:35:13 +0100 MIME-Version: 1.0 From: Konstantin Khorenko To: Andrey Zhadchenko In-Reply-To: <20261029140346.465768-7-andrey.zhadchenko@virtuozzo.com> References: <20261029140346.465768-1-andrey.zhadchenko@virtuozzo.com> <20261029140346.465768-7-andrey.zhadchenko@virtuozzo.com> Date: Wed, 04 Nov 2026 22:35:09 +0100 Message-Id: <179382810904.2794215.7774511998952725510.b4-review@b4> X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=795; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=5VdQEi7WCamm8aK/lLnid2y3PIhnuFBr86jwPnE1eso=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBq66UQ3aFmJ1iiiZcPReKQu9uHKpHoQ4ulRNhSN 8IGzN62PDqJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCauulEAAKCRBRlgpH+WFc KoA8D/98iU99Kost7fz7D9JN/bn+nMXSXB6n/LOBmQ4CatpnXVrzBaCNJMMWYtLlDhCueDwj66i Qh68SDhO0yuu07vvlbA9ONiT2H7nzOUOkUAtCzm92fA+6vWo8bN2UOZ9HgoIdycjrmwIXRgBRMU d0+kItwe0xhx93728cZJ594VEivk0BENz/VZ51abCY+nB99HfOUdna5UFP7E6H47nYCW+1BRWdO uv0A/fX4A8Ae3C9/BoXL4rA4gFLzTo5WB9dx1tdXRpcWtKViGZxY4Wp6zr/HeZDzDcnITiTKAob 3QnxSEealrWz6JwTGgkLmh5r3ppFqS9il3nTfDtzv4lTgKYhm6MOgNVzZ0I9BYBUSoPTJBcl8n0 w20P0lkNDxVb+iDnB2UXbikLyEQEAz+Z+uXhY0DXkj5JzGh2ZrzDhod/1GhAf73aftDJKeEok5g qzpBfIEcEWO/J2//9iAJ0z12uaV22iAu0gJGvH2Zwbrwhjk/e1wSJem+KAut13ksfqMSjmWcwVJ /0QIW/G0Atdc6y/x1wL1sI2yBVnxTO9kfPhU9b+zr1sPrPy1kw/Ngj9MGfKHffff9H2Undd59cZ dMZHAKeeK9zyh6RAvNkhjN4yd5Q2F2CxlttB+eQ2QpV9W0CqoK94wf93RD4PnYQDk6Wq3TOl6DR IbSGrq8WYPCTqMg== 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 6/7] drivers/md/dm-qcow2: declare DM_TARGET_NOWAIT 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 I won't apply this version, please send v2 with the changes below. On Thu, 29 Oct 2026 17:03:45 +0300, Andrey Zhadchenko wrote: > before after > qd=64 nj=4 IOPS 1034K (11% idle) 892K (30% idle) > qd=1 nj=1 lat 8us 6us Item 5 of the cover letter reply: drop the table and the "~24% of all cpus" from the message and post them in this thread. Say instead what gets faster: io_uring no longer punts every request to io-wq. Why: the numbers hold only on the box and the job they were measured with, a later reader of the commit cannot act on them. The code is correct. Alexander's request to put this patch after the batching one still needs an answer (item 7). -- Konstantin Khorenko, Virtuozzo Linux Kernel Team _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel