From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69039C3B184 for ; Mon, 10 Feb 2020 09:34:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 48D8B21775 for ; Mon, 10 Feb 2020 09:34:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727636AbgBJJea (ORCPT ); Mon, 10 Feb 2020 04:34:30 -0500 Received: from relay.sw.ru ([185.231.240.75]:59472 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727477AbgBJJeM (ORCPT ); Mon, 10 Feb 2020 04:34:12 -0500 Received: from dhcp-172-16-24-104.sw.ru ([172.16.24.104] helo=localhost.localdomain) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1j15Rm-0000Jd-Id; Mon, 10 Feb 2020 12:33:42 +0300 Subject: [PATCH v6 2/6] block: Pass op_flags into blk_queue_get_max_sectors() From: Kirill Tkhai To: martin.petersen@oracle.com, bob.liu@oracle.com, axboe@kernel.dk Cc: agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com, song@kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, Chaitanya.Kulkarni@wdc.com, darrick.wong@oracle.com, ming.lei@redhat.com, osandov@fb.com, jthumshirn@suse.de, minwoo.im.dev@gmail.com, damien.lemoal@wdc.com, andrea.parri@amarulasolutions.com, hare@suse.com, tj@kernel.org, ajay.joshi@wdc.com, sagi@grimberg.me, dsterba@suse.com, chaitanya.kulkarni@wdc.com, bvanassche@acm.org, dhowells@redhat.com, asml.silence@gmail.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ktkhai@virtuozzo.com Date: Mon, 10 Feb 2020 12:33:42 +0300 Message-ID: <158132722235.239613.17443829991733096212.stgit@localhost.localdomain> In-Reply-To: <158132703141.239613.3550455492676290009.stgit@localhost.localdomain> References: <158132703141.239613.3550455492676290009.stgit@localhost.localdomain> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This preparation patch changes argument type, and now the function takes full op_flags instead of just op code. Signed-off-by: Kirill Tkhai Reviewed-by: Bob Liu --- block/blk-core.c | 4 ++-- include/linux/blkdev.h | 8 +++++--- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 089e890ab208..28a6d46eb982 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1221,10 +1221,10 @@ EXPORT_SYMBOL(submit_bio); static int blk_cloned_rq_check_limits(struct request_queue *q, struct request *rq) { - if (blk_rq_sectors(rq) > blk_queue_get_max_sectors(q, req_op(rq))) { + if (blk_rq_sectors(rq) > blk_queue_get_max_sectors(q, rq->cmd_flags)) { printk(KERN_ERR "%s: over max size limit. (%u > %u)\n", __func__, blk_rq_sectors(rq), - blk_queue_get_max_sectors(q, req_op(rq))); + blk_queue_get_max_sectors(q, rq->cmd_flags)); return -EIO; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1e3c08854b09..f4ec7ae214ab 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -988,8 +988,10 @@ static inline struct bio_vec req_bvec(struct request *rq) } static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, - int op) + unsigned int op_flags) { + int op = op_flags & REQ_OP_MASK; + if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE)) return min(q->limits.max_discard_sectors, UINT_MAX >> SECTOR_SHIFT); @@ -1028,10 +1030,10 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq, if (!q->limits.chunk_sectors || req_op(rq) == REQ_OP_DISCARD || req_op(rq) == REQ_OP_SECURE_ERASE) - return blk_queue_get_max_sectors(q, req_op(rq)); + return blk_queue_get_max_sectors(q, rq->cmd_flags); return min(blk_max_size_offset(q, offset), - blk_queue_get_max_sectors(q, req_op(rq))); + blk_queue_get_max_sectors(q, rq->cmd_flags)); } static inline unsigned int blk_rq_count_bios(struct request *rq)