[libvirt] [PATCH 1/5] Add type of free area
Daniel P. Berrange
berrange at redhat.com
Thu Jun 25 09:21:31 UTC 2009
On Wed, Jun 24, 2009 at 11:12:18AM +0200, Henrik Persson wrote:
> This patch adds the type of the free area, since this is important when
> creating logical partitions.
> --- libvirt-0.6.4.org/src/storage_conf.h 2009-06-23 13:11:05.624511000 +0200
> +++ libvirt-0.6.4/src/storage_conf.h 2009-06-23 13:04:06.822880000 +0200
> @@ -153,6 +153,18 @@ struct _virStoragePoolSourceHost {
>
>
> /*
> + * For MSDOS partitions, the free area
> + * is important when creating
> + * logical partitions
> + */
> +enum virStorageFreeType {
> + VIR_STORAGE_FREE_NONE = 0,
> + VIR_STORAGE_FREE_NORMAL,
> + VIR_STORAGE_FREE_LOGICAL,
> + VIR_STORAGE_FREE_LAST
> +};
> +
> +/*
> * Available extents on the underlying storage
> */
> typedef struct _virStoragePoolSourceDeviceExtent virStoragePoolSourceDeviceExtent;
> @@ -160,6 +172,7 @@ typedef virStoragePoolSourceDeviceExtent
> struct _virStoragePoolSourceDeviceExtent {
> unsigned long long start;
> unsigned long long end;
> + int type; /* free space type */
> };
>
>
> --- libvirt-0.6.4.org/src/storage_backend_disk.c 2009-06-23 13:07:38.272045000 +0200
> +++ libvirt-0.6.4/src/storage_backend_disk.c 2009-06-23 13:23:41.612530000 +0200
> @@ -188,6 +188,14 @@ virStorageBackendDiskMakeFreeExtent(virC
> dev->nfreeExtent, 0,
> sizeof(dev->freeExtents[0]));
>
> + /* set type of free area */
> + if(STREQ(groups[1], "logical")) {
> + dev->freeExtents[dev->nfreeExtent].type = VIR_STORAGE_FREE_LOGICAL;
> + } else {
> + dev->freeExtents[dev->nfreeExtent].type = VIR_STORAGE_FREE_NORMAL;
> + }
> +
> +
> if (virStrToLong_ull(groups[3], NULL, 10,
> &dev->freeExtents[dev->nfreeExtent].start) < 0)
> return -1; /* Don't bother to re-alloc freeExtents - it'll be free'd shortly */
Was a little concerned about adding this to the virStoragePoolDef
struct, since that's generally all public ABI. Since your patch
isn't exporting it in the XML format though, I think this is a
reasonable approach for now. ACK
Daniel
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