diff options
| author | Christoph Hellwig <[email protected]> | 2021-10-18 12:11:12 +0200 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2021-10-18 14:43:22 -0600 |
| commit | cda00eba022d6a0a60740989ac79fc6a258b2d7a (patch) | |
| tree | 37834a23f736886c9e79a94c634cfd3928e432c9 /fs/btrfs/disk-io.c | |
| parent | 589aa7bc40c4f823dd6094cef51f8cff60e26e95 (diff) | |
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 <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Anand Jain <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Acked-by: David Sterba <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 355ea88d5c5f..29e7598584c4 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); |