linux-ext4 - [PATCH block/for-next v2 03/16] bcache: use new helper to get inode from block

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Message-Id: <20231127062116.2355129-4-yukuai1@huaweicloud.com>
Date: Mon, 27 Nov 2023 14:21:03 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
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Subject: [PATCH block/for-next v2 03/16] bcache: 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>
---
 drivers/md/bcache/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index bfe1685dbae5..3ab8bae049ee 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -171,7 +171,7 @@ static const char *read_super(struct cache_sb *sb, struct block_device *bdev,
 	struct page *page;
 	unsigned int i;
 
-	page = read_cache_page_gfp(bdev->bd_inode->i_mapping,
+	page = read_cache_page_gfp(bdev_inode(bdev)->i_mapping,
 				   SB_OFFSET >> PAGE_SHIFT, GFP_KERNEL);
 	if (IS_ERR(page))
 		return "IO error";
-- 
2.39.2