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Thu, 21 Dec 2023 09:00:37 +0000 Received: from dggsgout12.his.huawei.com ([45.249.212.56]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rGEuv-00282F-1Y for linux-mtd@lists.infradead.org; Thu, 21 Dec 2023 09:00:36 +0000 Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4Swksg0nDWz4f3js2 for ; Thu, 21 Dec 2023 17:00:23 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id DFBDA1A01CA for ; Thu, 21 Dec 2023 17:00:25 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP1 (Coremail) with SMTP id cCh0CgBHlQun_oNlCxfvEA--.34192S4; Thu, 21 Dec 2023 17:00:25 +0800 (CST) From: Yu Kuai To: 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, jack@suse.com, konishi.ryusuke@gmail.com, 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, linux-nilfs@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH RFC v3 for-6.8/block 11/17] erofs: use bdev api Date: Thu, 21 Dec 2023 16:58:26 +0800 Message-Id: <20231221085826.1768395-1-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231221085712.1766333-1-yukuai1@huaweicloud.com> References: <20231221085712.1766333-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: cCh0CgBHlQun_oNlCxfvEA--.34192S4 X-Coremail-Antispam: 1UD129KBjvJXoW7ZFWUAF1xtr4rGr45Ww17Jrb_yoW8KF1kpr W3Cr1rGrWrXrs09wn2gr1UZF13ta97Gw48CayxJw1Fv3yUtryagFyvywnrGr48Kr4kKrs2 qF1Ivry8uw1UJrDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUv014x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4U JVW0owA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Wrv_Gr1U MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF7I 0E14v26F4UJVW0owCI42IY6xAIw20EY4v20xvaj40_Gr0_Zr1lIxAIcVC2z280aVAFwI0_ Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVWxJr0_GcJvcSsGvfC2KfnxnUUI43ZEXa7VU1 VOJ5UUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231221_010033_913087_62B98CEE X-CRM114-Status: GOOD ( 10.59 ) X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: From: Yu Kuai Avoid to access bd_inode directly, prepare to remove bd_inode from block_device. Signed-off-by: Yu Kuai --- fs/erofs/data.c | 18 ++++++++++++------ fs/erofs/internal.h | 2 ++ 2 files changed, 14 insertions(+), 6 deletions(-) Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [45.249.212.56 listed in wl.mailspike.net] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Yu Kuai Avoid to access bd_inode directly, prepare to remove bd_inode from block_device. Signed-off-by: Yu Kuai --- fs/erofs/data.c | 18 ++++++++++++------ fs/erofs/internal.h | 2 ++ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/fs/erofs/data.c b/fs/erofs/data.c index c98aeda8abb2..bbe2fe199bf3 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -32,8 +32,8 @@ void erofs_put_metabuf(struct erofs_buf *buf) void *erofs_bread(struct erofs_buf *buf, erofs_blk_t blkaddr, enum erofs_kmap_type type) { - struct inode *inode = buf->inode; - erofs_off_t offset = (erofs_off_t)blkaddr << inode->i_blkbits; + u8 blkszbits = buf->inode ? buf->inode->i_blkbits : buf->blkszbits; + erofs_off_t offset = (erofs_off_t)blkaddr << blkszbits; pgoff_t index = offset >> PAGE_SHIFT; struct page *page = buf->page; struct folio *folio; @@ -43,7 +43,9 @@ void *erofs_bread(struct erofs_buf *buf, erofs_blk_t blkaddr, erofs_put_metabuf(buf); nofs_flag = memalloc_nofs_save(); - folio = read_cache_folio(inode->i_mapping, index, NULL, NULL); + folio = buf->inode ? + read_mapping_folio(buf->inode->i_mapping, index, NULL) : + bdev_read_folio(buf->bdev, offset); memalloc_nofs_restore(nofs_flag); if (IS_ERR(folio)) return folio; @@ -67,10 +69,14 @@ void *erofs_bread(struct erofs_buf *buf, erofs_blk_t blkaddr, void erofs_init_metabuf(struct erofs_buf *buf, struct super_block *sb) { - if (erofs_is_fscache_mode(sb)) + if (erofs_is_fscache_mode(sb)) { buf->inode = EROFS_SB(sb)->s_fscache->inode; - else - buf->inode = sb->s_bdev->bd_inode; + buf->bdev = NULL; + } else { + buf->inode = NULL; + buf->bdev = sb->s_bdev; + buf->blkszbits = EROFS_SB(sb)->blkszbits; + } } void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index b0409badb017..c9206351b485 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -224,8 +224,10 @@ enum erofs_kmap_type { struct erofs_buf { struct inode *inode; + struct block_device *bdev; struct page *page; void *base; + u8 blkszbits; enum erofs_kmap_type kmap_type; }; #define __EROFS_BUF_INITIALIZER ((struct erofs_buf){ .page = NULL })