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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48e6d64044asi453435f8f.330.2026.10.29.07.08.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2026 07:08:14 -0700 (PDT) Received-SPF: pass (google.com: domain of andrey.zhadchenko@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=CqxYKjQs; spf=pass (google.com: domain of andrey.zhadchenko@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=andrey.zhadchenko@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=MIME-Version:Message-ID:Date:Subject:From: Content-Type; bh=75s5sIlPX2j2yfPlIjxBuY+nXU/PzB/9VIF1qfFI2kw=; b=CqxYKjQsi64s QhG3o2Sj62ryNTlgTA5ZSPQh63k+ps2zNx/dby3epcvci1GAYFvN7cHGMWJ+ydWKw+Nj3Nm8pNyor s6B5dMMmZRp+fxt8I2pX9GJxld5NbRrEUakdzu7NEkMftS4z3COCOtO1NYkGAjxGtwC/JRm6VGjE6 0iusviHqz0K9aGM4XX+TcFfZpYy4m/Pw9OuCCyco9hhymmWdzEzMAMmmW//Oyig7TqxGNOM5grNFU /zD6R+hKs425i1HCYtfzgCa0xQOHFzm/5ysqhKW+HJcyk4YvU6NMoQok/u8+vlPs/RFv1GXXBNzDl Upw/DFwVyvy2yrRH1abG8Q==; Received: from [130.117.225.5] (helo=vz9-demens-1.aci.vzint.dev) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xMQjp-006pKz-3D; Thu, 29 Oct 2026 15:08:11 +0100 From: Andrey Zhadchenko To: ptikhomirov@virtuozzo.com, alexander.ivanov@virtuozzo.com Date: Thu, 29 Oct 2026 17:03:44 +0300 Message-ID: <20261029140346.465768-6-andrey.zhadchenko@virtuozzo.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20261029140346.465768-1-andrey.zhadchenko@virtuozzo.com> References: <20261029140346.465768-1-andrey.zhadchenko@virtuozzo.com> MIME-Version: 1.0 X-OZ-Fwd: true Cc: devel@openvz.org Subject: [Devel] [PATCH hci-8.1 5/7] drivers/md/dm-qcow2: implement per-qio fast processing 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 Each qio is handled by it's own work and process_one_qio() can now work with qios not requiring metadata. Try to process qios right after splitting. Insert all leftovers into respective lists for do_qcow2_work(). https://virtuozzo.atlassian.net/browse/VSTOR-95494 Feature: dm-qcow2: block device over QCOW2 files driver Signed-off-by: Andrey Zhadchenko --- drivers/md/dm-qcow2-map.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-qcow2-map.c b/drivers/md/dm-qcow2-map.c index 7afaba0afec14..e55186147fdf7 100644 --- a/drivers/md/dm-qcow2-map.c +++ b/drivers/md/dm-qcow2-map.c @@ -4594,9 +4594,18 @@ static void handle_cleanup_mask(struct qio *qio) } } +static void qio_try_fast(struct qio *qio, struct list_head *deferred_qios) +{ + list_del(&qio->link); + + if (process_one_qio(qio->qcow2, qio, true)) + list_add(&qio->link, deferred_qios); +} + static void do_qio_work(struct work_struct *ws) { struct qio *qio = container_of(ws, struct qio, worker); + struct qio *i, *next; struct qcow2 *qcow2 = qio->qcow2; struct qcow2_target *tgt = qcow2->tgt; unsigned int pflags = current->flags; @@ -4606,8 +4615,12 @@ static void do_qio_work(struct work_struct *ws) switch (qio->state) { case QIO_STATE_START: { LIST_HEAD(deferred_qios); + LIST_HEAD(split_qios); + + prepare_one_embedded_qio(qio, &split_qios); + list_for_each_entry_safe(i, next, &split_qios, link) + qio_try_fast(i, &deferred_qios); - prepare_one_embedded_qio(qio, &deferred_qios); if (list_empty(&deferred_qios)) break; -- 2.43.5 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel