linux-ext4 - [PATCH -next RFC 06/14] scsicam: use bdev api in scsi_bios

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Message-Id: <20231205123728.1866699-7-yukuai1@huaweicloud.com>
Date: Tue,  5 Dec 2023 20:37:20 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
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Subject: [PATCH -next RFC 06/14] scsicam: use bdev api in scsi_bios_ptable()

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

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

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 drivers/scsi/scsicam.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c
index e2c7d8ef205f..1c99b964a0eb 100644
--- a/drivers/scsi/scsicam.c
+++ b/drivers/scsi/scsicam.c
@@ -32,11 +32,10 @@
  */
 unsigned char *scsi_bios_ptable(struct block_device *dev)
 {
-	struct address_space *mapping = bdev_whole(dev)->bd_inode->i_mapping;
 	unsigned char *res = NULL;
 	struct folio *folio;
 
-	folio = read_mapping_folio(mapping, 0, NULL);
+	folio = bdev_read_folio(bdev_whole(dev), 0);
 	if (IS_ERR(folio))
 		return NULL;
 
-- 
2.39.2