Re: [PATCH V6 02/13] common/xfs: Add a helper to get an inode fork's extent count

Allison Henderson
2021-03-10T06:13:25Z

On 3/8/21 10:01 PM, Chandan Babu R wrote:
> This commit adds the helper _scratch_get_iext_count() which returns an
> inode fork's extent count.
>
> Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
Looks ok
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>

> ---
> common/xfs | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/common/xfs b/common/xfs
> index 41dd8676..26ae21b9 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -924,6 +924,26 @@ _scratch_get_bmx_prefix() {
> return 1
> }
>
> +_scratch_get_iext_count()
> +{
> + local ino=$1
> + local whichfork=$2
> + local field=""
> +
> + case $whichfork in
> + "attr")
> + field=core.naextents
> + ;;
> + "data")
> + field=core.nextents
> + ;;
> + *)
> + return 1
> + esac
> +
> + _scratch_xfs_get_metadata_field $field "inode $ino"
> +}
> +
> #
> # Ensures that we don't pass any mount options incompatible with XFS v4
> #
>