Re: [libvirt PATCH v2 13/21] storage: use virFindFileInPath to validate presence of mkfs

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On Mon, Apr 19, 2021 at 07:14:16PM +0200, Pavel Hrdina wrote:
> Future patch will remove MKFS define as we will no longer check it
> during compilation.
> 
> Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
> ---
>  src/storage/storage_backend_fs.c | 24 +++++++++---------------
>  1 file changed, 9 insertions(+), 15 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>

> 
> diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
> index bb93d64bbe..b0f8070c6c 100644
> --- a/src/storage/storage_backend_fs.c
> +++ b/src/storage/storage_backend_fs.c
> @@ -397,13 +397,20 @@ virStorageBackendFileSystemCheck(virStoragePoolObj *pool,
>      return 0;
>  }
>  
> -/* some platforms don't support mkfs */
> -#ifdef MKFS
>  static int
>  virStorageBackendExecuteMKFS(const char *device,
>                               const char *format)
>  {
>      g_autoptr(virCommand) cmd = NULL;
> +    g_autofree char *mkfs = virFindFileInPath(MKFS);
> +
> +    if (!mkfs) {
> +        virReportError(VIR_ERR_INTERNAL_ERROR,
> +                       _("mkfs is not supported on this platform: "

s/supported/available/ since it may simply be uninstalled now.

> +                         "Failed to make filesystem of type '%s' on device '%s'"),
> +                       format, device);
> +        return -1;
> +    }

Regards,
Daniel
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