On 21.01.2015 16:29, Matthias Gatto wrote:
> Create virStorageSourceGetBackingStore function in
> preparation for quorum:
> Actually, if we want to get a backing store inside a virStorageSource
> we have to do it manually(src->backingStore = backingStore).
> The problem is that with a quorum, a virStorageSource
> can contain multiple backing stores, and src->backingStore can
> be treated as a virStorageSourcePtr or a virStorageSourcePtrPtr.
>
> Due to these reason, we need to simplify the manipulation of
> virStorageSource, and create a function to get the asked
> backingStore in a virStorageSource
>
> For now, this function only return the backingStore field
>
> Signed-off-by: Matthias Gatto <matthias.gatto@xxxxxxxxxxxx>
> ---
> src/libvirt_private.syms | 1 +
> src/util/virstoragefile.c | 8 ++++++++
> src/util/virstoragefile.h | 3 +++
> 3 files changed, 12 insertions(+)
>
> diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> index a2eec83..3f4d02c 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -2023,6 +2023,7 @@ virStorageSourceClear;
> virStorageSourceCopy;
> virStorageSourceFree;
> virStorageSourceGetActualType;
> +virStorageSourceGetBackingStore;
> virStorageSourceGetSecurityLabelDef;
> virStorageSourceInitChainElement;
> virStorageSourceIsEmpty;
> diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
> index 7a4f9a0..dc6cf8f 100644
> --- a/src/util/virstoragefile.c
> +++ b/src/util/virstoragefile.c
> @@ -1798,6 +1798,14 @@ virStorageSourcePoolDefCopy(const virStorageSourcePoolDef *src)
> }
>
>
> +virStorageSourcePtr
> +virStorageSourceGetBackingStore(const virStorageSource *src,
> + size_t pos ATTRIBUTE_UNUSED)
> +{
> + return src->backingStore;
> +}
> +
> +
> /**
> * virStorageSourcePtr:
> *
> diff --git a/src/util/virstoragefile.h b/src/util/virstoragefile.h
> index b4c3808..c37ddcf 100644
> --- a/src/util/virstoragefile.h
> +++ b/src/util/virstoragefile.h
> @@ -289,6 +289,9 @@ struct _virStorageSource {
> # define DEV_BSIZE 512
> # endif
>
> +virStorageSourcePtr virStorageSourceGetBackingStore(const virStorageSource *src,
> + size_t pos);
> +
> int virStorageFileProbeFormat(const char *path, uid_t uid, gid_t gid);
> int virStorageFileProbeFormatFromBuf(const char *path,
> char *buf,
>
ACK
Michal
--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list