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io-uring@vger.kernel.org, nilay@linux.ibm.com, ritesh.list@gmail.com, John Garry Subject: [PATCH v5 01/10] block: Pass blk_queue_get_max_sectors() a request pointer Date: Mon, 26 Feb 2024 17:36:03 +0000 Message-Id: <20240226173612.1478858-2-john.g.garry@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240226173612.1478858-1-john.g.garry@oracle.com> References: <20240226173612.1478858-1-john.g.garry@oracle.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: PH7PR17CA0027.namprd17.prod.outlook.com (2603:10b6:510:323::13) To DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR10MB4313:EE_|MW4PR10MB6298:EE_ X-MS-Office365-Filtering-Correlation-Id: c0eef075-3715-4590-ab69-08dc36f17d78 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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engine=8.12.0-2311290000 definitions=main-2402260134 X-Proofpoint-GUID: jO0-6-8HR80ZRamaB4qJbp5W8yiw8rC1 X-Proofpoint-ORIG-GUID: jO0-6-8HR80ZRamaB4qJbp5W8yiw8rC1 Currently blk_queue_get_max_sectors() is passed a enum req_op. In future the value returned from blk_queue_get_max_sectors() may depend on certain request flags, so pass a request pointer. Reviewed-by: Christoph Hellwig Reviewed-by: Keith Busch Signed-off-by: John Garry --- block/blk-merge.c | 3 ++- block/blk-mq.c | 2 +- block/blk.h | 6 ++++-- 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/block/blk-merge.c b/block/blk-merge.c index 2d470cf2173e..74e9e775f13d 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -592,7 +592,8 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq, if (blk_rq_is_passthrough(rq)) return q->limits.max_hw_sectors; - max_sectors = blk_queue_get_max_sectors(q, req_op(rq)); + max_sectors = blk_queue_get_max_sectors(rq); + if (!q->limits.chunk_sectors || req_op(rq) == REQ_OP_DISCARD || req_op(rq) == REQ_OP_SECURE_ERASE) diff --git a/block/blk-mq.c b/block/blk-mq.c index 2dc01551e27c..0855f75bcad7 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -3046,7 +3046,7 @@ void blk_mq_submit_bio(struct bio *bio) blk_status_t blk_insert_cloned_request(struct request *rq) { struct request_queue *q = rq->q; - unsigned int max_sectors = blk_queue_get_max_sectors(q, req_op(rq)); + unsigned int max_sectors = blk_queue_get_max_sectors(rq); unsigned int max_segments = blk_rq_get_max_segments(rq); blk_status_t ret; diff --git a/block/blk.h b/block/blk.h index 1ef920f72e0f..050696131329 100644 --- a/block/blk.h +++ b/block/blk.h @@ -166,9 +166,11 @@ static inline unsigned int blk_rq_get_max_segments(struct request *rq) return queue_max_segments(rq->q); } -static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, - enum req_op op) +static inline unsigned int blk_queue_get_max_sectors(struct request *rq) { + struct request_queue *q = rq->q; + enum req_op op = req_op(rq); + if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE)) return min(q->limits.max_discard_sectors, UINT_MAX >> SECTOR_SHIFT); -- 2.31.1