[libvirt] [PATCH RFC 09/40] conf: Introduce virDomainDiskByTarget

[Daniel Henrique Barboza]

On 10/18/19 1:10 PM, Peter Krempa wrote:
> Introduce a simpler replacement for virDomainDiskByName when looking up
> by disk target.
> 
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> ---

Reviewed-by: Daniel Henrique Barboza <danielhb413 at gmail.com>


>   src/conf/domain_conf.c   | 16 ++++++++++++++++
>   src/conf/domain_conf.h   |  4 ++++
>   src/libvirt_private.syms |  1 +
>   3 files changed, 21 insertions(+)
> 
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 8b4e80fa8d..1fffd56a22 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -16931,6 +16931,22 @@ virDomainDiskByName(virDomainDefPtr def,
>       return idx < 0 ? NULL : def->disks[idx];
>   }
> 
> +
> +virDomainDiskDefPtr
> +virDomainDiskByTarget(virDomainDefPtr def,
> +                      const char *dst)
> +{
> +    size_t i;
> +
> +    for (i = 0; i < def->ndisks; i++) {
> +        if (STREQ(def->disks[i]->dst, dst))
> +            return def->disks[i];
> +    }
> +
> +    return NULL;
> +}
> +
> +
>   int virDomainDiskInsert(virDomainDefPtr def,
>                           virDomainDiskDefPtr disk)
>   {
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index ad8e88c2ee..690aa3c84b 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -3162,6 +3162,10 @@ int virDomainDiskIndexByName(virDomainDefPtr def, const char *name,
>   virDomainDiskDefPtr virDomainDiskByName(virDomainDefPtr def,
>                                           const char *name,
>                                           bool allow_ambiguous);
> +virDomainDiskDefPtr
> +virDomainDiskByTarget(virDomainDefPtr def,
> +                      const char *dst);
> +
>   int virDomainDiskInsert(virDomainDefPtr def,
>                           virDomainDiskDefPtr disk)
>       G_GNUC_WARN_UNUSED_RESULT;
> diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> index e6d40d1cbe..2379c1ed8b 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -330,6 +330,7 @@ virDomainDiskBackingStoreParse;
>   virDomainDiskBusTypeToString;
>   virDomainDiskByAddress;
>   virDomainDiskByName;
> +virDomainDiskByTarget;
>   virDomainDiskCacheTypeFromString;
>   virDomainDiskCacheTypeToString;
>   virDomainDiskDefAssignAddress;
>