Received-SPF: pass (google.com: domain of linux-ext4+bounces-526-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Yu Kuai <yukuai1@huaweicloud.com>
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 13/17] jbd2: use bdev apis
Date: Thu, 21 Dec 2023 16:58:46 +0800
Message-Id: <20231221085846.1768977-1-yukuai1@huaweicloud.com>
In-Reply-To: <20231221085712.1766333-1-yukuai1@huaweicloud.com>
References: <20231221085712.1766333-1-yukuai1@huaweicloud.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

From: Yu Kuai <yukuai3@huawei.com>

Avoid to access bd_inode directly, prepare to remove bd_inode from
block_device.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
 fs/jbd2/journal.c  | 3 +--
 fs/jbd2/recovery.c | 6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index ed53188472f9..f1b5ffeaf02a 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2003,8 +2003,7 @@ static int __jbd2_journal_erase(journal_t *journal, unsigned int flags)
 		byte_count = (block_stop - block_start + 1) *
 				journal->j_blocksize;
 
-		truncate_inode_pages_range(journal->j_dev->bd_inode->i_mapping,
-				byte_start, byte_stop);
+		truncate_bdev_range(journal->j_dev, 0, byte_start, byte_stop);
 
 		if (flags & JBD2_JOURNAL_FLUSH_DISCARD) {
 			err = blkdev_issue_discard(journal->j_dev,
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 01f744cb97a4..6b6a2c4585fa 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -290,7 +290,6 @@ int jbd2_journal_recover(journal_t *journal)
 
 	struct recovery_info	info;
 	errseq_t		wb_err;
-	struct address_space	*mapping;
 
 	memset(&info, 0, sizeof(info));
 	sb = journal->j_superblock;
@@ -309,8 +308,7 @@ int jbd2_journal_recover(journal_t *journal)
 	}
 
 	wb_err = 0;
-	mapping = journal->j_fs_dev->bd_inode->i_mapping;
-	errseq_check_and_advance(&mapping->wb_err, &wb_err);
+	bdev_wb_err_check_and_advance(journal->j_fs_dev, &wb_err);
 	err = do_one_pass(journal, &info, PASS_SCAN);
 	if (!err)
 		err = do_one_pass(journal, &info, PASS_REVOKE);
@@ -334,7 +332,7 @@ int jbd2_journal_recover(journal_t *journal)
 	err2 = sync_blockdev(journal->j_fs_dev);
 	if (!err)
 		err = err2;
-	err2 = errseq_check_and_advance(&mapping->wb_err, &wb_err);
+	err2 = bdev_wb_err_check_and_advance(journal->j_fs_dev, &wb_err);
 	if (!err)
 		err = err2;
 	/* Make sure all replayed data is on permanent storage */
-- 
2.39.2