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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id q204-20020a632ad5000000b005bf77518da0si11114137pgq.613.2023.11.21.18.38.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Nov 2023 18:38:33 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 1CF2780740C2; Tue, 21 Nov 2023 18:37:26 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343536AbjKVChQ (ORCPT + 99 others); Tue, 21 Nov 2023 21:37:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235035AbjKVChP (ORCPT ); Tue, 21 Nov 2023 21:37:15 -0500 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CED011AC; Tue, 21 Nov 2023 18:37:11 -0800 (PST) Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4SZlkm3Sz2z4f3lg7; Wed, 22 Nov 2023 10:37:04 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id B4CDA1A0484; Wed, 22 Nov 2023 10:37:08 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP1 (Coremail) with SMTP id cCh0CgBXWhBSaV1lNClcBg--.32716S4; Wed, 22 Nov 2023 10:37:08 +0800 (CST) From: Yu Kuai To: ming.lei@redhat.com, axboe@kernel.dk Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH v3 0/3] block: warn once for each partition in bio_check_ro() Date: Wed, 22 Nov 2023 18:31:00 +0800 Message-Id: <20231122103103.1104589-1-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-CM-TRANSID: cCh0CgBXWhBSaV1lNClcBg--.32716S4 X-Coremail-Antispam: 1UD129KBjvdXoW7GFW7WFWDtr4DKw4xury5XFb_yoWfKwb_CF yvkayfWr48Xa95CFWIyF15XrW09r4Iyr1UJFyDJrs7Xr17XF1DtrZrJ3y7WFsxWF47Cwn8 JF18urW8Xr1IgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbxkFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M280x2IEY4vEnII2IxkI6r1a6r45M28lY4IEw2IIxx k0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK 6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7 xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8v x2IErcIFxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFyl IxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxV AFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2z280aVAFwI0_ Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7sRi Pl1DUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-Spam-Status: No, score=-0.8 required=5.0 tests=DATE_IN_FUTURE_06_12, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Tue, 21 Nov 2023 18:37:26 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783230065368191112 X-GMAIL-MSGID: 1783230065368191112 From: Yu Kuai Changes in v3: - add patch 1 from Ming, swap bd_inode layout with bd_openers and bd_size_lock; - change bd_flags from u32 to u16 in patch 2, prevent to affect layout of other fields; Changes in v2: - don't use test/set_bit() for new field, because unsigned long will cause that some field can't be placed in the first cacheline(64 bytes), use unsigned int for new field and test/set/clear it like 'bio->bi_flags'. Ming Lei (1): block: move .bd_inode into 1st cacheline of block_device Yu Kuai (2): block: introduce new field bd_flags in block_device block: warn once for each partition in bio_check_ro() block/bdev.c | 15 ++++++++------- block/blk-core.c | 21 +++++++++++++++------ block/genhd.c | 15 +++++++++++---- block/ioctl.c | 6 +++++- include/linux/blk_types.h | 31 ++++++++++++++++++++++++------- include/linux/blkdev.h | 5 +++-- 6 files changed, 66 insertions(+), 27 deletions(-)