From patchwork Mon Nov 27 06:21:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13469104 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8B542C07D5A for ; Mon, 27 Nov 2023 06:22:28 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.641549.1000145 (Exim 4.92) (envelope-from ) id 1r7V0R-0000Uw-UH; Mon, 27 Nov 2023 06:22:07 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 641549.1000145; Mon, 27 Nov 2023 06:22:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r7V0R-0000Si-P9; Mon, 27 Nov 2023 06:22:07 +0000 Received: by outflank-mailman (input) for mailman id 641549; Mon, 27 Nov 2023 06:22:06 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r7V0Q-0008S4-GL for xen-devel@lists.xenproject.org; Mon, 27 Nov 2023 06:22:06 +0000 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 47d95c51-8ced-11ee-98e2-6d05b1d4d9a1; Mon, 27 Nov 2023 07:22:05 +0100 (CET) Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4SdwTx1xQ2z4f3m7N for ; Mon, 27 Nov 2023 14:21:57 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id ADEAE1A090D for ; Mon, 27 Nov 2023 14:22:01 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP1 (Coremail) with SMTP id cCh0CgDX2hB+NWRlrcU8CA--.57866S8; Mon, 27 Nov 2023 14:22:01 +0800 (CST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 47d95c51-8ced-11ee-98e2-6d05b1d4d9a1 From: Yu Kuai To: hch@infradead.org, ming.lei@redhat.com, axboe@kernel.dk, roger.pau@citrix.com, colyli@suse.de, kent.overstreet@gmail.com, joern@lazybastard.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, sth@linux.ibm.com, hoeppner@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, jejb@linux.ibm.com, martin.petersen@oracle.com, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, viro@zeniv.linux.org.uk, brauner@kernel.org, nico@fluxnic.net, xiang@kernel.org, chao@kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, agruenba@redhat.com, jack@suse.com, konishi.ryusuke@gmail.com, dchinner@redhat.com, linux@weissschuh.net, min15.li@samsung.com, yukuai3@huawei.com, dlemoal@kernel.org, willy@infradead.org, akpm@linux-foundation.org, hare@suse.de, p.raghav@samsung.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-bcachefs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, gfs2@lists.linux.dev, linux-nilfs@vger.kernel.org, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH block/for-next v2 04/16] mtd: block2mtd: use new helper to get inode from block_device Date: Mon, 27 Nov 2023 14:21:04 +0800 Message-Id: <20231127062116.2355129-5-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231127062116.2355129-1-yukuai1@huaweicloud.com> References: <20231127062116.2355129-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: cCh0CgDX2hB+NWRlrcU8CA--.57866S8 X-Coremail-Antispam: 1UD129KBjvJXoWxZr1xKF4kJF1kWr4xAw1kXwb_yoW5Xr1Up3 43AFWrAw4jkr1Y9a18XFyqqrnrX3Z7tay8Cry7A3yYkr93Xry2kayqka45JrW8t348AFW5 XFsrCrZ5Cr4I93DanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPa14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E 14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Wrv_Gr1UMI IYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E 14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r 1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjfU OBTYUUUUU X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai Which is more efficiency, and also prepare to remove the field 'bd_inode' from block_device. Signed-off-by: Yu Kuai --- drivers/mtd/devices/block2mtd.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index aa44a23ec045..d4f7a4339a70 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -56,7 +56,7 @@ static struct page *page_read(struct address_space *mapping, pgoff_t index) static int _block2mtd_erase(struct block2mtd_dev *dev, loff_t to, size_t len) { struct address_space *mapping = - dev->bdev_handle->bdev->bd_inode->i_mapping; + bdev_inode(dev->bdev_handle->bdev)->i_mapping; struct page *page; pgoff_t index = to >> PAGE_SHIFT; // page index int pages = len >> PAGE_SHIFT; @@ -107,7 +107,7 @@ static int block2mtd_read(struct mtd_info *mtd, loff_t from, size_t len, { struct block2mtd_dev *dev = mtd->priv; struct address_space *mapping = - dev->bdev_handle->bdev->bd_inode->i_mapping; + bdev_inode(dev->bdev_handle->bdev)->i_mapping; struct page *page; pgoff_t index = from >> PAGE_SHIFT; int offset = from & (PAGE_SIZE-1); @@ -143,7 +143,7 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf, { struct page *page; struct address_space *mapping = - dev->bdev_handle->bdev->bd_inode->i_mapping; + bdev_inode(dev->bdev_handle->bdev)->i_mapping; pgoff_t index = to >> PAGE_SHIFT; // page index int offset = to & ~PAGE_MASK; // page offset int cpylen; @@ -212,7 +212,7 @@ static void block2mtd_free_device(struct block2mtd_dev *dev) if (dev->bdev_handle) { invalidate_mapping_pages( - dev->bdev_handle->bdev->bd_inode->i_mapping, 0, -1); + bdev_inode(dev->bdev_handle->bdev)->i_mapping, 0, -1); bdev_release(dev->bdev_handle); } @@ -295,7 +295,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, goto err_free_block2mtd; } - if ((long)bdev->bd_inode->i_size % erase_size) { + if ((long)bdev_inode(bdev)->i_size % erase_size) { pr_err("erasesize must be a divisor of device size\n"); goto err_free_block2mtd; } @@ -313,7 +313,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, dev->mtd.name = name; - dev->mtd.size = bdev->bd_inode->i_size & PAGE_MASK; + dev->mtd.size = bdev_inode(bdev)->i_size & PAGE_MASK; dev->mtd.erasesize = erase_size; dev->mtd.writesize = 1; dev->mtd.writebufsize = PAGE_SIZE;