linux-kernel - [PATCH block/for-next v2 09/16] cramfs: use new helper to get inode from block

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Message-Id: <20231127062116.2355129-10-yukuai1@huaweicloud.com>
Date:   Mon, 27 Nov 2023 14:21:09 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
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Subject: [PATCH block/for-next v2 09/16] cramfs: 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/cramfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 60dbfa0f8805..e9ed1e24c9e4 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -183,7 +183,7 @@ static int next_buffer;
 static void *cramfs_blkdev_read(struct super_block *sb, unsigned int offset,
 				unsigned int len)
 {
-	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
+	struct address_space *mapping = bdev_inode(sb->s_bdev)->i_mapping;
 	struct file_ra_state ra = {};
 	struct page *pages[BLKS_PER_BUF];
 	unsigned i, blocknr, buffer;
-- 
2.39.2