diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-10-18 12:11:12 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 14:43:22 -0600 |
| commit | cda00eba022d6a0a60740989ac79fc6a258b2d7a (patch) | |
| tree | 37834a23f736886c9e79a94c634cfd3928e432c9 /fs/btrfs/ioctl.c | |
| parent | 589aa7bc40c4f823dd6094cef51f8cff60e26e95 (diff) | |
| download | lwn-cda00eba022d6a0a60740989ac79fc6a258b2d7a.tar.gz lwn-cda00eba022d6a0a60740989ac79fc6a258b2d7a.zip | |
btrfs: use bdev_nr_bytes instead of open coding it
Use the proper helper to read the block device size.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Acked-by: David Sterba <dsterba@suse.com>
Link: https://lore.kernel.org/r/20211018101130.1838532-13-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index cc61813213d8..36ff713da1b1 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; } |