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Wed, 30 Apr 2025 15:52:44 -0700 (PDT) X-Relaying-Domain: purestorage.com Received: from dev-csander.dev.purestorage.com (dev-csander.dev.purestorage.com [10.7.70.37]) by c7-smtp-2023.dev.purestorage.com (Postfix) with ESMTP id 20A1B340199; Wed, 30 Apr 2025 16:52:44 -0600 (MDT) Received: by dev-csander.dev.purestorage.com (Postfix, from userid 1557716354) id 1EC37E41CC0; Wed, 30 Apr 2025 16:52:44 -0600 (MDT) From: Caleb Sander Mateos To: Ming Lei , Jens Axboe Cc: Uday Shankar , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Caleb Sander Mateos Subject: [PATCH v2 4/9] ublk: take const ubq pointer in ublk_get_iod() Date: Wed, 30 Apr 2025 16:52:29 -0600 Message-ID: <20250430225234.2676781-5-csander@purestorage.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250430225234.2676781-1-csander@purestorage.com> References: <20250430225234.2676781-1-csander@purestorage.com> 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" ublk_get_iod() doesn't modify the struct ublk_queue it is passed. Clarify that by making the argument a const pointer. Move the function definition earlier in the file so it doesn't need a forward declaration. Signed-off-by: Caleb Sander Mateos Reviewed-by: Ming Lei --- drivers/block/ublk_drv.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 4967a5d72029..f4c1db2e7f54 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -203,12 +203,17 @@ struct ublk_params_header { static void ublk_stop_dev_unlocked(struct ublk_device *ub); static void ublk_abort_queue(struct ublk_device *ub, struct ublk_queue *ub= q); static inline struct request *__ublk_check_and_get_req(struct ublk_device = *ub, struct ublk_queue *ubq, int tag, size_t offset); static inline unsigned int ublk_req_build_flags(struct request *req); -static inline struct ublksrv_io_desc *ublk_get_iod(struct ublk_queue *ubq, - int tag); + +static inline struct ublksrv_io_desc * +ublk_get_iod(const struct ublk_queue *ubq, unsigned tag) +{ + return &ubq->io_cmd_buf[tag]; +} + static inline bool ublk_dev_is_user_copy(const struct ublk_device *ub) { return ub->dev_info.flags & (UBLK_F_USER_COPY | UBLK_F_SUPPORT_ZERO_COPY); } =20 @@ -692,16 +697,10 @@ static inline struct ublk_queue *ublk_get_queue(struc= t ublk_device *dev, static inline bool ublk_rq_has_data(const struct request *rq) { return bio_has_data(rq->bio); } =20 -static inline struct ublksrv_io_desc *ublk_get_iod(struct ublk_queue *ubq, - int tag) -{ - return &ubq->io_cmd_buf[tag]; -} - static inline struct ublksrv_io_desc * ublk_queue_cmd_buf(struct ublk_device *ub, int q_id) { return ublk_get_queue(ub, q_id)->io_cmd_buf; } --=20 2.45.2