From patchwork Sat Apr 6 09:09:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13619752 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2DE9A37163; Sat, 6 Apr 2024 09:17:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712395073; cv=none; b=TZRKppq0rkdF+ei9V10HkzDmT/1jv4vO7FKPBD6afAyT1tkuQeAcr0kssOGyMxxnlt78GXSqv1mgfW9fwTuzvinaAvBm769jCROvK2MgiFftvAg0IEIZXMz+P17BkaAvjgtV2ITRusS8M/oanaM8Vs4dYqzuKBaWOFnw6zi0+FU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712395073; c=relaxed/simple; bh=jTqQFKQ6Hwm8j3owKWdmo2+A5Arsz1b5/slXYeVdVUA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=GlOZxvgtJ+YUGjjEfy+b5iLtzfX6yb8Bdn7NsReUGB5ekS0AAEDSuOxwjItrUNV4HHRhbJzMjybka5NxlOVn2ds1XqN/jrcpxTPLj8bb8W0PLTXqCSUQvwqwkMeFviL1+ttowHdIKucPFOfQl+2JQzeL4LsokhequDyJo0qLVBQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4VBVBF0v3tz4f3lVn; Sat, 6 Apr 2024 17:17:41 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 97EA51A058D; Sat, 6 Apr 2024 17:17:49 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP1 (Coremail) with SMTP id cCh0CgAn+REyExFm0JDpJA--.50223S22; Sat, 06 Apr 2024 17:17:49 +0800 (CST) From: Yu Kuai To: jack@suse.cz, hch@lst.de, brauner@kernel.org, viro@zeniv.linux.org.uk, axboe@kernel.dk Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, yukuai3@huawei.com Subject: [PATCH vfs.all 18/26] scsi: use bdev helper in scsi_bios_ptable() Date: Sat, 6 Apr 2024 17:09:22 +0800 Message-Id: <20240406090930.2252838-19-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240406090930.2252838-1-yukuai1@huaweicloud.com> References: <20240406090930.2252838-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgAn+REyExFm0JDpJA--.50223S22 X-Coremail-Antispam: 1UD129KBjvdXoWrKw1UZw13ur4xJF1UGw47CFg_yoWfKFX_CF WS9w17Wr4xAan2qr15tF4avryvva1qgF109F4Sqasavw1UXr95Jryvqr13Aw47Gr4UAw1r C3W7XrWayrsFgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbSAYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r126s 0DM28IrcIa0xkI8VCY1x0267AKxVW5JVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4AK67xG Y2AK021l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14 v26r4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAF wI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2 WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkE bVWUJVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI42IY 6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aV CY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x07UZo7tUUUUU= X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai scsi_bios_ptable() is reading without opening disk as file, use the new helper to read into block device page cache to prevent access bd_inode directly from scsi. Signed-off-by: Yu Kuai Reviewed-by: Christoph Hellwig Reviewed-by: Jan Kara --- drivers/scsi/scsicam.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c index e2c7d8ef205f..1c99b964a0eb 100644 --- a/drivers/scsi/scsicam.c +++ b/drivers/scsi/scsicam.c @@ -32,11 +32,10 @@ */ unsigned char *scsi_bios_ptable(struct block_device *dev) { - struct address_space *mapping = bdev_whole(dev)->bd_inode->i_mapping; unsigned char *res = NULL; struct folio *folio; - folio = read_mapping_folio(mapping, 0, NULL); + folio = bdev_read_folio(bdev_whole(dev), 0); if (IS_ERR(folio)) return NULL;