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-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,
Anand Jain <anand.jain@oracle.com>,
Chaitanya Kulkarni <kch@nvidia.com>
Subject: [PATCH 12/30] btrfs: use bdev_nr_bytes instead of open coding it
Date: Fri, 15 Oct 2021 15:26:25 +0200 [thread overview]
Message-ID: <20211015132643.1621913-13-hch@lst.de> (raw)
In-Reply-To: <20211015132643.1621913-1-hch@lst.de>
Use the proper helper to read the block device size.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
---
fs/btrfs/dev-replace.c | 3 +--
fs/btrfs/disk-io.c | 2 +-
fs/btrfs/ioctl.c | 4 ++--
fs/btrfs/volumes.c | 8 ++++----
4 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index d029be40ea6f0..fbb8b4457a721 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -283,8 +283,7 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
}
- if (i_size_read(bdev->bd_inode) <
- btrfs_device_get_total_bytes(srcdev)) {
+ if (bdev_nr_bytes(bdev) < btrfs_device_get_total_bytes(srcdev)) {
btrfs_err(fs_info,
"target device is smaller than source device!");
ret = -EINVAL;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 355ea88d5c5f7..29e7598584c4c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3740,7 +3740,7 @@ struct btrfs_super_block *btrfs_read_dev_one_super(struct block_device *bdev,
else if (ret)
return ERR_PTR(ret);
- if (bytenr + BTRFS_SUPER_INFO_SIZE >= i_size_read(bdev->bd_inode))
+ if (bytenr + BTRFS_SUPER_INFO_SIZE >= bdev_nr_bytes(bdev))
return ERR_PTR(-EINVAL);
page = read_cache_page_gfp(mapping, bytenr >> PAGE_SHIFT, GFP_NOFS);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index cc61813213d83..36ff713da1b12 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1730,7 +1730,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
}
if (!strcmp(sizestr, "max"))
- new_size = device->bdev->bd_inode->i_size;
+ new_size = bdev_nr_bytes(device->bdev);
else {
if (sizestr[0] == '-') {
mod = -1;
@@ -1771,7 +1771,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
ret = -EINVAL;
goto out_finish;
}
- if (new_size > device->bdev->bd_inode->i_size) {
+ if (new_size > bdev_nr_bytes(device->bdev)) {
ret = -EFBIG;
goto out_finish;
}
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2ec3b8ac8fa35..676c7c4e6e59d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1286,7 +1286,7 @@ static struct btrfs_super_block *btrfs_read_disk_super(struct block_device *bdev
pgoff_t index;
/* make sure our super fits in the device */
- if (bytenr + PAGE_SIZE >= i_size_read(bdev->bd_inode))
+ if (bytenr + PAGE_SIZE >= bdev_nr_bytes(bdev))
return ERR_PTR(-EINVAL);
/* make sure our super fits in the page */
@@ -2610,8 +2610,8 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
device->io_width = fs_info->sectorsize;
device->io_align = fs_info->sectorsize;
device->sector_size = fs_info->sectorsize;
- device->total_bytes = round_down(i_size_read(bdev->bd_inode),
- fs_info->sectorsize);
+ device->total_bytes =
+ round_down(bdev_nr_bytes(bdev), fs_info->sectorsize);
device->disk_total_bytes = device->total_bytes;
device->commit_total_bytes = device->total_bytes;
set_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);
@@ -7236,7 +7236,7 @@ static int read_one_dev(struct extent_buffer *leaf,
fill_device_from_item(leaf, dev_item, device);
if (device->bdev) {
- u64 max_total_bytes = i_size_read(device->bdev->bd_inode);
+ u64 max_total_bytes = bdev_nr_bytes(device->bdev);
if (device->total_bytes > max_total_bytes) {
btrfs_err(fs_info,
--
2.30.2
next prev parent reply other threads:[~2021-10-15 13:28 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 13:26 don't use ->bd_inode to access the block device size v2 Christoph Hellwig
2021-10-15 13:26 ` [PATCH 01/30] block: move the SECTOR_SIZE related definitions to blk_types.h Christoph Hellwig
2021-10-15 13:44 ` Jan Kara
2021-10-15 15:45 ` Kees Cook
2021-10-18 6:21 ` Chaitanya Kulkarni
2021-10-15 13:26 ` [PATCH 02/30] block: add a bdev_nr_bytes helper Christoph Hellwig
2021-10-15 13:35 ` Matthew Wilcox
2021-10-15 13:37 ` Christoph Hellwig
2021-10-15 14:37 ` Anton Altaparmakov
2021-10-15 15:49 ` Kees Cook
2021-10-15 13:26 ` [PATCH 03/30] bcache: remove bdev_sectors Christoph Hellwig
2021-10-18 5:46 ` Chaitanya Kulkarni
2021-10-15 13:26 ` [PATCH 04/30] drbd: use bdev_nr_sectors instead of open coding it Christoph Hellwig
2021-10-15 18:00 ` Lee Duncan
2021-10-15 13:26 ` [PATCH 05/30] dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them Christoph Hellwig
2021-10-15 13:26 ` [PATCH 06/30] md: use bdev_nr_sectors instead of open coding it Christoph Hellwig
2021-10-15 13:26 ` [PATCH 07/30] nvmet: use bdev_nr_bytes " Christoph Hellwig
2021-10-15 15:51 ` Kees Cook
2021-10-15 13:26 ` [PATCH 08/30] target/iblock: " Christoph Hellwig
2021-10-15 15:57 ` Kees Cook
2021-10-15 13:26 ` [PATCH 09/30] fs: use bdev_nr_bytes instead of open coding it in blkdev_max_block Christoph Hellwig
2021-10-15 16:00 ` Kees Cook
2021-10-15 13:26 ` [PATCH 10/30] fs: simplify init_page_buffers Christoph Hellwig
2021-10-15 13:26 ` [PATCH 11/30] affs: use bdev_nr_sectors instead of open coding it Christoph Hellwig
2021-10-18 6:22 ` Chaitanya Kulkarni
2021-10-15 13:26 ` Christoph Hellwig [this message]
2021-10-15 13:52 ` [PATCH 12/30] btrfs: use bdev_nr_bytes " David Sterba
2021-10-15 16:59 ` Kees Cook
2021-10-15 13:26 ` [PATCH 13/30] cramfs: " Christoph Hellwig
2021-10-15 16:51 ` Kees Cook
2021-10-15 13:26 ` [PATCH 14/30] fat: use bdev_nr_sectors " Christoph Hellwig
2021-10-15 13:26 ` [PATCH 15/30] hfs: " Christoph Hellwig
2021-10-15 13:26 ` [PATCH 16/30] hfsplus: " Christoph Hellwig
2021-10-15 13:26 ` [PATCH 17/30] jfs: use bdev_nr_bytes " Christoph Hellwig
2021-10-15 16:53 ` Kees Cook
2021-10-15 13:26 ` [PATCH 18/30] nfs/blocklayout: " Christoph Hellwig
2021-10-15 16:54 ` Kees Cook
2021-10-15 13:26 ` [PATCH 19/30] nilfs2: " Christoph Hellwig
2021-10-15 13:54 ` Ryusuke Konishi
2021-10-15 16:54 ` Kees Cook
2021-10-15 13:26 ` [PATCH 20/30] ntfs3: " Christoph Hellwig
2021-10-15 16:54 ` Kees Cook
2021-10-16 7:40 ` Kari Argillander
2021-10-15 13:26 ` [PATCH 21/30] pstore/blk: " Christoph Hellwig
2021-10-15 16:56 ` Kees Cook
2021-10-15 13:26 ` [PATCH 22/30] reiserfs: " Christoph Hellwig
2021-10-15 16:56 ` Kees Cook
2021-10-18 6:22 ` Chaitanya Kulkarni
2021-10-15 13:26 ` [PATCH 23/30] squashfs: " Christoph Hellwig
2021-10-15 16:57 ` Kees Cook
2021-10-15 13:26 ` [PATCH 24/30] block: use bdev_nr_bytes instead of open coding it in blkdev_fallocate Christoph Hellwig
2021-10-15 16:57 ` Kees Cook
2021-10-15 13:26 ` [PATCH 25/30] block: add a sb_bdev_nr_blocks helper Christoph Hellwig
2021-10-15 16:58 ` Kees Cook
2021-10-18 5:48 ` Chaitanya Kulkarni
2021-10-15 13:26 ` [PATCH 26/30] ext4: use sb_bdev_nr_blocks Christoph Hellwig
2021-10-18 5:48 ` Chaitanya Kulkarni
2021-10-15 13:26 ` [PATCH 27/30] jfs: " Christoph Hellwig
2021-10-15 14:16 ` Dave Kleikamp
2021-10-15 13:26 ` [PATCH 28/30] ntfs: " Christoph Hellwig
2021-10-15 14:35 ` Anton Altaparmakov
2021-10-15 13:26 ` [PATCH 29/30] reiserfs: " Christoph Hellwig
2021-10-15 13:26 ` [PATCH 30/30] udf: " Christoph Hellwig
2021-10-18 10:11 don't use ->bd_inode to access the block device size v3 Christoph Hellwig
2021-10-18 10:11 ` [PATCH 12/30] btrfs: use bdev_nr_bytes instead of open coding it Christoph Hellwig
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