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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Coly Li <colyli@suse.de>, Mike Snitzer <snitzer@redhat.com>,
	Song Liu <song@kernel.org>, David Sterba <dsterba@suse.com>,
	Josef Bacik <josef@toxicpanda.com>,
	"Theodore Ts'o" <tytso@mit.edu>,
	OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
	Dave Kleikamp <shaggy@kernel.org>,
	Ryusuke Konishi <konishi.ryusuke@gmail.com>,
	Anton Altaparmakov <anton@tuxera.com>,
	Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
	Kees Cook <keescook@chromium.org>,
	Phillip Lougher <phillip@squashfs.org.uk>,
	Jan Kara <jack@suse.com>,
	linux-block@vger.kernel.org, dm-devel@redhat.com,
	drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org,
	linux-raid@vger.kernel.org, linux-mtd@lists.infradead.org,
	linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org,
	target-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org,
	jfs-discussion@lists.sourceforge.net, linux-nfs@vger.kernel.org,
	linux-nilfs@vger.kernel.org,
	linux-ntfs-dev@lists.sourceforge.net, ntfs3@lists.linux.dev,
	reiserfs-devel@vger.kernel.org
Subject: [PATCH 18/29] nilfs2: use bdev_nr_sectors instead of open coding it
Date: Wed, 13 Oct 2021 07:10:31 +0200	[thread overview]
Message-ID: <20211013051042.1065752-19-hch@lst.de> (raw)
In-Reply-To: <20211013051042.1065752-1-hch@lst.de>

Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/nilfs2/ioctl.c     | 2 +-
 fs/nilfs2/super.c     | 2 +-
 fs/nilfs2/the_nilfs.c | 3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 640ac8fe891e6..4c12cc0e265e1 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -1107,7 +1107,7 @@ static int nilfs_ioctl_set_alloc_range(struct inode *inode, void __user *argp)
 		goto out;
 
 	ret = -ERANGE;
-	if (range[1] > i_size_read(inode->i_sb->s_bdev->bd_inode))
+	if (range[1] > (bdev_nr_sectors(inode->i_sb->s_bdev) << SECTOR_SHIFT))
 		goto out;
 
 	segbytes = nilfs->ns_blocks_per_segment * nilfs->ns_blocksize;
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index f6b2d280aab5a..1842663339acc 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -403,7 +403,7 @@ int nilfs_resize_fs(struct super_block *sb, __u64 newsize)
 	int ret;
 
 	ret = -ERANGE;
-	devsize = i_size_read(sb->s_bdev->bd_inode);
+	devsize = bdev_nr_sectors(sb->s_bdev) << SECTOR_SHIFT;
 	if (newsize > devsize)
 		goto out;
 
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index c8bfc01da5d71..d68df998213e9 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -489,7 +489,8 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
 {
 	struct nilfs_super_block **sbp = nilfs->ns_sbp;
 	struct buffer_head **sbh = nilfs->ns_sbh;
-	u64 sb2off = NILFS_SB2_OFFSET_BYTES(nilfs->ns_bdev->bd_inode->i_size);
+	loff_t size = bdev_nr_sectors(nilfs->ns_bdev) << SECTOR_SHIFT;
+	u64 sb2off = NILFS_SB2_OFFSET_BYTES(size);
 	int valid[2], swp = 0;
 
 	sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,
-- 
2.30.2


  parent reply	other threads:[~2021-10-13  5:35 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13  5:10 don't use ->bd_inode to access the block device size Christoph Hellwig
2021-10-13  5:10 ` [PATCH 01/29] bcache: remove bdev_sectors Christoph Hellwig
2021-10-13  5:21   ` Coly Li
2021-10-13  6:09   ` Kees Cook
2021-10-13  5:10 ` [PATCH 02/29] drbd: use bdev_nr_sectors instead of open coding it Christoph Hellwig
2021-10-13  6:09   ` Kees Cook
2021-10-13 22:33   ` Chaitanya Kulkarni
2021-10-13  5:10 ` [PATCH 03/29] dm: " Christoph Hellwig
2021-10-13  6:10   ` Kees Cook
2021-10-13 16:43   ` Mike Snitzer
2021-10-13  5:10 ` [PATCH 04/29] md: " Christoph Hellwig
2021-10-13  6:12   ` Kees Cook
2021-10-13 21:14     ` Song Liu
2021-10-13  5:10 ` [PATCH 05/29] mtd/block2mtd: " Christoph Hellwig
2021-10-13  5:10 ` [PATCH 06/29] nvmet: " Christoph Hellwig
2021-10-13 22:33   ` Chaitanya Kulkarni
2021-10-13  5:10 ` [PATCH 07/29] target/iblock: " Christoph Hellwig
2021-10-13  9:31   ` Bodo Stroesser
2021-10-13 22:37   ` Chaitanya Kulkarni
2021-10-13  5:10 ` [PATCH 08/29] fs: use bdev_nr_sectors instead of open coding it in blkdev_max_block Christoph Hellwig
2021-10-13 10:42   ` Jan Kara
2021-10-13 22:35   ` Chaitanya Kulkarni
2021-10-13  5:10 ` [PATCH 09/29] fs: simplify init_page_buffers Christoph Hellwig
2021-10-13  6:14   ` Kees Cook
2021-10-13 10:42   ` Jan Kara
2021-10-13  5:10 ` [PATCH 10/29] affs: use bdev_nr_sectors instead of open coding it Christoph Hellwig
2021-10-13  6:14   ` Kees Cook
2021-10-13  5:10 ` [PATCH 11/29] btrfs: " Christoph Hellwig
2021-10-13  7:08   ` Anand Jain
2021-10-13 22:36   ` Chaitanya Kulkarni
2021-10-14  2:44   ` Keith Busch
2021-10-13  5:10 ` [PATCH 12/29] cramfs: " Christoph Hellwig
2021-10-13  6:16   ` Kees Cook
2021-10-13  5:10 ` [PATCH 13/29] fat: " Christoph Hellwig
2021-10-13  6:16   ` Kees Cook
2021-10-13  5:10 ` [PATCH 14/29] hfs: " Christoph Hellwig
2021-10-13  6:16   ` Kees Cook
2021-10-13  5:10 ` [PATCH 15/29] hfsplus: " Christoph Hellwig
2021-10-13  6:16   ` Kees Cook
2021-10-13  5:10 ` [PATCH 16/29] jfs: " Christoph Hellwig
2021-10-13 14:13   ` Dave Kleikamp
2021-10-13  5:10 ` [PATCH 17/29] nfs/blocklayout: " Christoph Hellwig
2021-10-13  5:10 ` Christoph Hellwig [this message]
2021-10-13  5:10 ` [PATCH 19/29] ntfs3: " Christoph Hellwig
2021-10-13  5:10 ` [PATCH 20/29] pstore/blk: " Christoph Hellwig
2021-10-13  5:10 ` [PATCH 21/29] reiserfs: " Christoph Hellwig
2021-10-13 10:43   ` Jan Kara
2021-10-13  5:10 ` [PATCH 22/29] squashfs: " Christoph Hellwig
2021-10-13 19:37   ` Phillip Lougher
2021-10-13  5:10 ` [PATCH 23/29] block: use bdev_nr_sectors instead of open coding it in blkdev_fallocate Christoph Hellwig
2021-10-13 10:44   ` Jan Kara
2021-10-13 22:34   ` Chaitanya Kulkarni
2021-10-13  5:10 ` [PATCH 24/29] block: add a sb_bdev_nr_blocks helper Christoph Hellwig
2021-10-13  6:27   ` Kees Cook
2021-10-13  5:10 ` [PATCH 25/29] ext4: use sb_bdev_nr_blocks Christoph Hellwig
2021-10-13  6:29   ` Kees Cook
2021-10-13  6:30   ` Kees Cook
2021-10-13 10:46   ` Jan Kara
2021-10-13 15:51   ` Theodore Ts'o
2021-10-13  5:10 ` [PATCH 26/29] jfs: " Christoph Hellwig
2021-10-13  6:31   ` Kees Cook
2021-10-13  5:10 ` [PATCH 27/29] ntfs: " Christoph Hellwig
2021-10-13  6:33   ` Kees Cook
2021-10-13  5:10 ` [PATCH 28/29] reiserfs: " Christoph Hellwig
2021-10-13  6:33   ` Kees Cook
2021-10-13 10:46   ` Jan Kara
2021-10-13  5:10 ` [PATCH 29/29] udf: " Christoph Hellwig
2021-10-13  6:34   ` Kees Cook
2021-10-13 10:47   ` Jan Kara
2021-10-13  6:39 ` don't use ->bd_inode to access the block device size Kees Cook
2021-10-13  7:14 ` Anand Jain
2021-10-14  6:28 ` Christoph Hellwig
2021-10-14  9:32   ` Anton Altaparmakov
2021-10-14 13:13     ` Dave Kleikamp
2021-10-14 15:14       ` Kees Cook
2021-10-14 15:35         ` Wol

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