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storage: disk: Separate creating of the volume from building

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Separate the steps to create libvirt's volume metadata from the actual
volume building process.
This commit is contained in:
Peter Krempa 2013-12-11 17:04:24 +01:00
parent af1fb38f55
commit 67ccf91bf2
1 changed files with 30 additions and 14 deletions
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44
src/storage/storage_backend_disk.c
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@ -617,28 +617,43 @@ virStorageBackendDiskPartBoundries(virStoragePoolObjPtr pool,
static int
virStorageBackendDiskCreateVol(virConnectPtr conn ATTRIBUTE_UNUSED,
virStoragePoolObjPtr pool,
virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
virStorageVolDefPtr vol)
{
if (vol->target.encryption != NULL) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("storage pool does not support encrypted volumes"));
return -1;
}
vol->type = VIR_STORAGE_VOL_BLOCK;
return 0;
}
static int
virStorageBackendDiskBuildVol(virConnectPtr conn ATTRIBUTE_UNUSED,
virStoragePoolObjPtr pool,
virStorageVolDefPtr vol,
unsigned int flags)
{
int res = -1;
char *partFormat = NULL;
unsigned long long startOffset = 0, endOffset = 0;
virCommandPtr cmd = virCommandNewArgList(PARTED,
pool->def->source.devices[0].path,
"mkpart",
"--script",
NULL);
virCommandPtr cmd = NULL;
if (vol->target.encryption != NULL) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("storage pool does not support encrypted "
"volumes"));
goto cleanup;
}
virCheckFlags(0, -1);
if (virStorageBackendDiskPartFormat(pool, vol, &partFormat) != 0) {
cmd = virCommandNewArgList(PARTED,
pool->def->source.devices[0].path,
"mkpart",
"--script",
NULL);
if (virStorageBackendDiskPartFormat(pool, vol, &partFormat) != 0)
goto cleanup;
}
virCommandAddArg(cmd, partFormat);
if (virStorageBackendDiskPartBoundries(pool, &startOffset,
@ -768,5 +783,6 @@ virStorageBackend virStorageBackendDisk = {
.createVol = virStorageBackendDiskCreateVol,
.deleteVol = virStorageBackendDiskDeleteVol,
.buildVol = virStorageBackendDiskBuildVol,
.buildVolFrom = virStorageBackendDiskBuildVolFrom,
};