From cda00eba022d6a0a60740989ac79fc6a258b2d7a Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 18 Oct 2021 12:11:12 +0200 Subject: 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 Reviewed-by: Kees Cook Reviewed-by: Anand Jain Reviewed-by: Chaitanya Kulkarni Acked-by: David Sterba Link: https://lore.kernel.org/r/20211018101130.1838532-13-hch@lst.de Signed-off-by: Jens Axboe --- fs/btrfs/ioctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/btrfs/ioctl.c') 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; } -- cgit v1.2.3