From: Christoph Hellwig <hch@lst.de>
Date: Mon, 18 Oct 2021 12:11:10 +0200
Subject: [PATCH] fs: simplify init_page_buffers
Git-commit: bcd1d06350e410f60518f9d778d9cc4674f57158
Patch-mainline: v5.16-rc1
References: jsc#PED-1183

No need to convert from bdev to inode and back.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20211018101130.1838532-11-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 fs/buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 156358977249..46bc589b7a03 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -897,7 +897,7 @@ init_page_buffers(struct page *page, struct block_device *bdev,
 	struct buffer_head *head = page_buffers(page);
 	struct buffer_head *bh = head;
 	int uptodate = PageUptodate(page);
-	sector_t end_block = blkdev_max_block(I_BDEV(bdev->bd_inode), size);
+	sector_t end_block = blkdev_max_block(bdev, size);
 
 	do {
 		if (!buffer_mapped(bh)) {
-- 
2.35.3