Re: [PATCH] expand-on-first-boot: Don't fail when using systemd mount units

["Maxim Yu. Osipov" <mosipov@ilbers.de>]

On 4/8/19 4:33 PM, Christian Storm wrote:
> By default, resize2fs fails with the error message "Can't check if
> filesystem is mounted due to missing mtab file" if the to be resized
> filesystem isn't listed in mtab. This is the case, e.g., when using
> systemd mount units instead of /etc/fstab.
> Hence, selectively disable this safety check by exporting the
> environment variable EXT2FS_NO_MTAB_OK=1 [1].

Applied to the 'next.

Thanks,
Maxim.

> [1] https://github.com/tytso/e2fsprogs/blob/master/lib/ext2fs/ismounted.c#L111
> 
> Signed-off-by: Christian Storm <christian.storm@siemens.com>
> ---
>   .../expand-on-first-boot/files/expand-last-partition.sh       | 4 ++++
>   1 file changed, 4 insertions(+)
>   mode change 100644 => 100755 meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
> 
> diff --git a/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh b/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
> old mode 100644
> new mode 100755
> index 4cf90de..08c69db
> --- a/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
> +++ b/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
> @@ -28,4 +28,8 @@ sfdisk -d "${BOOT_DEV}" 2>/dev/null | grep -v last-lba | \
>   # Inform the kernel about the partitioning change
>   partx -u "${LAST_PART}"
>   
> +# Do not fail resize2fs if no mtab entry is found, e.g.,
> +# when using systemd mount units.
> +export EXT2FS_NO_MTAB_OK=1
> +
>   resize2fs "${LAST_PART}"
> 


-- 
Maxim Osipov
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