Re: [PATCH] btrfs: support other sectorsizes in _scratch_mkfs_blocksized

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On Fri, Jun 04, 2021 at 08:26:44PM +0800, Anand Jain wrote:
> When btrfs supports sectorsize != pagesize it can run these test cases
> now,
> generic/205 generic/206 generic/216 generic/217 generic/218 generic/220
> generic/222 generic/227 generic/229 generic/238
> 
> This change is backward compatible for kernels without non pagesize
> sectorsize support.
> 
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
> ---
> RFC->v1:
>   Fix path to the supported_sectorsizes path check if the file exists.
>   Grep the word.
> 
>  common/rc | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/common/rc b/common/rc
> index 919028eff41c..baa994e33553 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -1121,6 +1121,15 @@ _scratch_mkfs_blocksized()
>      fi
>  
>      case $FSTYP in
> +    btrfs)
> +	test -f /sys/fs/btrfs/features/supported_sectorsizes || \
> +		_notrun "Subpage sectorsize support is not found in $FSTYP"

As we're updating _scratch_mkf_blocksized, would you please unify the
indention for the whole function to use tab instead of spaces? They're
old code, this way we're slowly migrating old/space indention to tab.

> +
> +	grep -q \\b$blocksize\\b /sys/fs/btrfs/features/supported_sectorsizes || \

I think grep -qw should be fine.

> +		_notrun "$FSTYP does not support sectorsize=$blocksize yet"
> +
> +	_scratch_mkfs $MKFS_OPTIONS --sectorsize=$blocksize

No need to specify $MKFS_OPTIONS here, _scratch_mkfs will append
$MKFS_OPTIONS anyway.

> +	;;
>      xfs)
>  	_scratch_mkfs_xfs $MKFS_OPTIONS -b size=$blocksize

So this $MKFS_OPTIONS isn't needed either, but that belongs to another
patch.

Thanks,
Eryu

>  	;;
> -- 
> 2.18.4



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