[libvirt] [PATCH] storage: silently ignore missing files on pool refresh

[Michal Privoznik]

On 10.07.2013 16:57, Ján Tomko wrote:
> From: Wei Zhou <w.zhou at leaseweb.com>
> 
> Make virStorageBackendVolOpenCheckMode return -2 instead of
> -1 if volume file is missing.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=977706
> ---
>  src/storage/storage_backend.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
> index e2527c9..f063601 100644
> --- a/src/storage/storage_backend.c
> +++ b/src/storage/storage_backend.c
> @@ -1084,7 +1084,7 @@ virStorageBackendForType(int type)
>   * Allows caller to silently ignore files with improper mode
>   *
>   * Returns -1 on error, -2 if file mode is unexpected or the
> - * volume is a dangling symbolic link.
> + * volume is a dangling symbolic link or file is missing.
>   */
>  int
>  virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
> @@ -1097,7 +1097,7 @@ virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
>          virReportSystemError(errno,
>                               _("cannot stat file '%s'"),
>                               path);

If we want to *silently* ignore missing file, why do we
virReportSystemError() here?

> -        return -1;
> +        return -2;
>      }
>  
>      if (S_ISFIFO(sb.st_mode)) {
> 

Michal