Re: [PATCH 3/6] common: add a _sysfs_block_integrity_path helper

["Darrick J. Wong" <djwong@kernel.org>]

On Mon, Aug 31, 2026 at 09:45:47AM +0300, Christoph Hellwig wrote:
> Add a helper function to find the sysfs integrity directory for a given
> block device.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Looks good now,
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

--D

> ---
>  common/rc | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/common/rc b/common/rc
> index 2fa7ddebd8fd..5e709dd79993 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -5264,6 +5264,21 @@ _sysfs_queue_path()
>  	return 1
>  }
>  
> +# Get the sysfs block device integrity/ path for a block device, handling
> +# partitions correctly.
> +_sysfs_block_integrity_path()
> +{
> +	local disk=$(_bdev_disk_name "$1")
> +	local integrity_path="/sys/block/$disk/integrity"
> +
> +	if [ -e "$integrity_path" ]; then
> +		echo "$integrity_path"
> +		return 0
> +	fi
> +
> +	return 1
> +}
> +
>  # Get the minimum block size of a file.  Usually this is the
>  # minimum fs block size, but some filesystems (ocfs2) do block
>  # mappings in larger units.
> -- 
> 2.53.0
> 
>