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Message-Id: <20231127062252.2367645-4-yukuai1@huaweicloud.com>
Date:   Mon, 27 Nov 2023 14:22:49 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     hch@...radead.org, ming.lei@...hat.com, axboe@...nel.dk,
        roger.pau@...rix.com, colyli@...e.de, kent.overstreet@...il.com,
        joern@...ybastard.org, miquel.raynal@...tlin.com, richard@....at,
        vigneshr@...com, sth@...ux.ibm.com, hoeppner@...ux.ibm.com,
        hca@...ux.ibm.com, gor@...ux.ibm.com, agordeev@...ux.ibm.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, clm@...com,
        josef@...icpanda.com, dsterba@...e.com, viro@...iv.linux.org.uk,
        brauner@...nel.org, nico@...xnic.net, xiang@...nel.org,
        chao@...nel.org, tytso@....edu, adilger.kernel@...ger.ca,
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        dchinner@...hat.com, linux@...ssschuh.net, min15.li@...sung.com,
        yukuai3@...wei.com, dlemoal@...nel.org, willy@...radead.org,
        akpm@...ux-foundation.org, hare@...e.de, p.raghav@...sung.com
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org, linux-bcache@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-s390@...r.kernel.org,
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        linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-erofs@...ts.ozlabs.org, linux-ext4@...r.kernel.org,
        gfs2@...ts.linux.dev, linux-nilfs@...r.kernel.org,
        yukuai1@...weicloud.com, yi.zhang@...wei.com, yangerkun@...wei.com
Subject: [PATCH block/for-next v2 13/16] jbd2: use new helper to get inode from block_device

From: Yu Kuai <yukuai3@...wei.com>

Which is more efficiency, and also prepare to remove the field
'bd_inode' from block_device.

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

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index ed53188472f9..e2d034cc9dc0 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2003,7 +2003,8 @@ 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,
+		truncate_inode_pages_range(
+				bdev_inode(journal->j_dev)->i_mapping,
 				byte_start, byte_stop);
 
 		if (flags & JBD2_JOURNAL_FLUSH_DISCARD) {
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 01f744cb97a4..7774efe872e8 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -309,7 +309,7 @@ int jbd2_journal_recover(journal_t *journal)
 	}
 
 	wb_err = 0;
-	mapping = journal->j_fs_dev->bd_inode->i_mapping;
+	mapping = bdev_inode(journal->j_fs_dev)->i_mapping;
 	errseq_check_and_advance(&mapping->wb_err, &wb_err);
 	err = do_one_pass(journal, &info, PASS_SCAN);
 	if (!err)
-- 
2.39.2

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