C++ (Cpp) virStorageBackendMpathUpdateVolTargetInfo 예제들

예제 #1

파일: storage_backend_mpath.c 프로젝트: hw-claudio/libvirt

static int
virStorageBackendMpathNewVol(virStoragePoolObjPtr pool,
                             const int devnum,
                             const char *dev)
{
    virStorageVolDefPtr vol;
    int ret = -1;

    if (VIR_ALLOC(vol) < 0) {
        virReportOOMError();
        goto cleanup;
    }

    vol->type = VIR_STORAGE_VOL_BLOCK;

    if (virAsprintf(&(vol->name), "dm-%u", devnum) < 0) {
        virReportOOMError();
        goto cleanup;
    }

    if (virAsprintf(&vol->target.path, "/dev/%s", dev) < 0) {
        virReportOOMError();
        goto cleanup;
    }

    if (virStorageBackendMpathUpdateVolTargetInfo(&vol->target,
                                                  &vol->allocation,
                                                  &vol->capacity) < 0) {
        goto cleanup;
    }

    /* XXX should use logical unit's UUID instead */
    vol->key = strdup(vol->target.path);
    if (vol->key == NULL) {
        virReportOOMError();
        goto cleanup;
    }

    if (VIR_REALLOC_N(pool->volumes.objs,
                      pool->volumes.count + 1) < 0) {
        virReportOOMError();
        goto cleanup;
    }
    pool->volumes.objs[pool->volumes.count++] = vol;
    pool->def->capacity += vol->capacity;
    pool->def->allocation += vol->allocation;
    ret = 0;

cleanup:

    if (ret != 0)
        virStorageVolDefFree(vol);

    return ret;
}

예제 #2

파일: storage_backend_mpath.c 프로젝트: TelekomCloud/libvirt

static int
virStorageBackendMpathNewVol(virStoragePoolObjPtr pool,
                             const int devnum,
                             const char *dev)
{
    virStorageVolDefPtr vol;
    int ret = -1;

    if (VIR_ALLOC(vol) < 0)
        goto cleanup;

    vol->type = VIR_STORAGE_VOL_BLOCK;

    if (virAsprintf(&(vol->name), "dm-%u", devnum) < 0)
        goto cleanup;

    if (virAsprintf(&vol->target.path, "/dev/%s", dev) < 0)
        goto cleanup;

    if (virStorageBackendMpathUpdateVolTargetInfo(&vol->target,
                                                  &vol->allocation,
                                                  &vol->capacity) < 0) {
        goto cleanup;
    }

    /* XXX should use logical unit's UUID instead */
    if (VIR_STRDUP(vol->key, vol->target.path) < 0)
        goto cleanup;

    if (VIR_APPEND_ELEMENT_COPY(pool->volumes.objs, pool->volumes.count, vol) < 0)
        goto cleanup;
    pool->def->capacity += vol->capacity;
    pool->def->allocation += vol->allocation;
    ret = 0;

cleanup:

    if (ret != 0)
        virStorageVolDefFree(vol);

    return ret;
}