linux-ext4 - [PATCH 09/29] fs: simplify init_page

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Date:   Wed, 13 Oct 2021 07:10:22 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Coly Li <colyli@...e.de>, Mike Snitzer <snitzer@...hat.com>,
        Song Liu <song@...nel.org>, David Sterba <dsterba@...e.com>,
        Josef Bacik <josef@...icpanda.com>,
        "Theodore Ts'o" <tytso@....edu>,
        OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
        Dave Kleikamp <shaggy@...nel.org>,
        Ryusuke Konishi <konishi.ryusuke@...il.com>,
        Anton Altaparmakov <anton@...era.com>,
        Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        Kees Cook <keescook@...omium.org>,
        Phillip Lougher <phillip@...ashfs.org.uk>,
        Jan Kara <jack@...e.com>, linux-block@...r.kernel.org,
        dm-devel@...hat.com, drbd-dev@...ts.linbit.com,
        linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-nvme@...ts.infradead.org,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, jfs-discussion@...ts.sourceforge.net,
        linux-nfs@...r.kernel.org, linux-nilfs@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net, ntfs3@...ts.linux.dev,
        reiserfs-devel@...r.kernel.org
Subject: [PATCH 09/29] fs: simplify init_page_buffers

No need to convert from bdev to inode and back.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 3fb9c5b457ab6..ef1fe4f77a952 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)) {
-- 
2.30.2