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Wed, 13 May 2026 14:18:59 -0700 (PDT) Received: from c7-smtp-2023.dev.purestorage.com ([208.88.159.129]) by smtp-relay.gmail.com with ESMTPS id 5a478bee46e88-302944ffbbesm28820eec.11.2026.05.13.14.18.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 14:18:59 -0700 (PDT) X-Relaying-Domain: purestorage.com Received: from dev-csander.dev.purestorage.com (dev-csander.dev.purestorage.com [10.112.46.22]) by c7-smtp-2023.dev.purestorage.com (Postfix) with ESMTP id A916B3402D8; Wed, 13 May 2026 15:18:58 -0600 (MDT) Received: by dev-csander.dev.purestorage.com (Postfix, from userid 1557716354) id 92396E41188; Wed, 13 May 2026 15:18:58 -0600 (MDT) From: Caleb Sander Mateos To: Ming Lei , Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Caleb Sander Mateos Subject: [PATCH 7.2 0/2] ublk: optimize ublk_rq_has_data() Date: Wed, 13 May 2026 15:18:44 -0600 Message-ID: <20260513211846.1956810-1-csander@purestorage.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ublk_rq_has_data() currently uses bio_has_data(), which involves 2 indirections and several branches. Introduce a blk_rq_has_data() analogue for struct request and use it instead to save an indirection and NULL check. Caleb Sander Mateos (2): blk-mq: introduce blk_rq_has_data() ublk: optimize ublk_rq_has_data() drivers/block/ublk_drv.c | 21 ++++++++------------- include/linux/blk-mq.h | 9 +++++++++ 2 files changed, 17 insertions(+), 13 deletions(-) -- 2.54.0