[systemd-devel] [PATCH v2] gpt-generator: Find device on a stateless system

[Tobias Hunger]

This time with fixed indentation.

Sorry for taking so long to follow up on this, easter holidays were
taking their toll:-)

Best Regards,
Tobias


On Sat, Apr 11, 2015 at 1:52 AM, Tobias Hunger <tobias.hunger at gmail.com> wrote:
> A stateless system has a tmpfs as root file system. That obviously
> does not have any block device associated with it. So try falling back
> to the device of the /usr filesystem if the root filesystem fails.
> ---
>  src/gpt-auto-generator/gpt-auto-generator.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/src/gpt-auto-generator/gpt-auto-generator.c b/src/gpt-auto-generator/gpt-auto-generator.c
> index 99dc50f..96a8447 100644
> --- a/src/gpt-auto-generator/gpt-auto-generator.c
> +++ b/src/gpt-auto-generator/gpt-auto-generator.c
> @@ -658,8 +658,13 @@ static int add_mounts(void) {
>          if (r < 0)
>                  return log_error_errno(r, "Failed to determine block device of root file system: %m");
>          else if (r == 0) {
> -                log_debug("Root file system not on a (single) block device.");
> -                return 0;
> +                r = get_block_device("/usr", &devno);
> +                if (r < 0)
> +                        return log_error_errno(r, "Failed to determine block device of /usr file system: %m");
> +                else if (r == 0) {
> +                        log_debug("Neither root nor /usr file system are on a (single) block device.");
> +                        return 0;
> +                }
>          }
>
>          return enumerate_partitions(devno);
> --
> 2.3.5
>