From nobody Tue Dec 16 21:59:11 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8732228F95F; Wed, 23 Apr 2025 08:15:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745396131; cv=none; b=DXUMPRZCdojAiYDSF4QPeh3bCTvN+HAOAwYArNHKW93wIEQTn7BfIzYxL2PWu1xS47REQ4HgrXSfUsz4G++tmnbIrRayh+a4jKFWBkGtgFFc40LkZ1tVf4T/4AI2m6OB8K6o0dHVz8krvbrE+6MrPUNOjZ+ib3UMmWij0i0+DlY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745396131; c=relaxed/simple; bh=hJ7Ip9+BoZAGI5de25k6VVDZHayvfvf2mLK8emkWpDU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gAoFM8ojfffgHwKxDLfu12teThRYCcyM0C+/mRMvNYou3fBLzepTqkcfCaX3kt8T96EiJ98eL+6O7H5ueqHFc1gZh7FWuI54Y3/3LfK6HcL13GVkojv74mwCo1GhlVQ2slg2ymn8i0RC2O6oQUMDj8ZgyXADcig1MO1eWMFYK0Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=J12nDPRU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="J12nDPRU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA44FC4CEE2; Wed, 23 Apr 2025 08:15:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745396130; bh=hJ7Ip9+BoZAGI5de25k6VVDZHayvfvf2mLK8emkWpDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J12nDPRU3cH7wA88Iu9BFVrY+PzsKtMJ7xncym3a/Q+sMbBCS7mLM3ryCPgfwbt4+ VfesgKcyGq1stn/1qMWS0rL0/jhFKx98nQP5G9WUIPyi6U66Kj1H2z5Cp+DRsrjzsp 2/XrS33uwHNvshj+OP+6nyD8KmO74H0MbhjK/6yY7scz7tsm8Jsap/FHPMQdW4g0Xu T5CFKk5USJ5XElRY01pmoB94PGC10Pllk2VaLO/uxA0SClhTgNbPWpAKkOAyDN7459 8vRn1WHXTwkLPiavmersXQcNwP6Sz1WdbV+biC8HCQeqVCWW6Zf1OZLtauCglURDip 0i7XWKreZyV0w== From: Leon Romanovsky To: Marek Szyprowski , Jens Axboe , Christoph Hellwig , Keith Busch Cc: Leon Romanovsky , Jake Edge , Jonathan Corbet , Jason Gunthorpe , Zhu Yanjun , Robin Murphy , Joerg Roedel , Will Deacon , Sagi Grimberg , Bjorn Helgaas , Logan Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Andrew Morton , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, Niklas Schnelle , Chuck Lever , Luis Chamberlain , Matthew Wilcox , Dan Williams , Kanchan Joshi , Chaitanya Kulkarni Subject: [PATCH v9 24/24] nvme-pci: store aborted state in flags variable Date: Wed, 23 Apr 2025 11:13:15 +0300 Message-ID: <9432af8b4b3b947ed6b280e722389c188d5c957e.1745394536.git.leon@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Leon Romanovsky Instead of keeping dedicated "bool aborted" variable, let's reuse newly introduced flags variable and save space. Signed-off-by: Leon Romanovsky --- drivers/nvme/host/pci.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index eb60a486331c..f69f1eb4308e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -219,6 +219,7 @@ struct nvme_queue { enum { IOD_LARGE_DESCRIPTORS =3D 1, /* uses the full page sized descriptor pool = */ IOD_SINGLE_SEGMENT =3D 2, /* single segment dma mapping */ + IOD_ABORTED =3D 3, /* abort timed out commands */ }; =20 /* @@ -227,7 +228,6 @@ enum { struct nvme_iod { struct nvme_request req; struct nvme_command cmd; - bool aborted; u8 nr_descriptors; /* # of PRP/SGL descriptors */ unsigned int flags; unsigned int total_len; /* length of the entire transfer */ @@ -1029,7 +1029,6 @@ static blk_status_t nvme_prep_rq(struct nvme_dev *dev= , struct request *req) struct nvme_iod *iod =3D blk_mq_rq_to_pdu(req); blk_status_t ret; =20 - iod->aborted =3D false; iod->nr_descriptors =3D 0; iod->flags =3D 0; iod->total_len =3D 0; @@ -1578,7 +1577,7 @@ static enum blk_eh_timer_return nvme_timeout(struct r= equest *req) * returned to the driver, or if this is the admin queue. */ opcode =3D nvme_req(req)->cmd->common.opcode; - if (!nvmeq->qid || iod->aborted) { + if (!nvmeq->qid || (iod->flags & IOD_ABORTED)) { dev_warn(dev->ctrl.device, "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout, reset controller\n", req->tag, nvme_cid(req), opcode, @@ -1591,7 +1590,7 @@ static enum blk_eh_timer_return nvme_timeout(struct r= equest *req) atomic_inc(&dev->ctrl.abort_limit); return BLK_EH_RESET_TIMER; } - iod->aborted =3D true; + iod->flags |=3D IOD_ABORTED; =20 cmd.abort.opcode =3D nvme_admin_abort_cmd; cmd.abort.cid =3D nvme_cid(req); --=20 2.49.0