Re: [libvirt] [PATCH v7 02/13] virstoragefile: Always use virStorageSourceGetBackingStore to get backing store

Uniformize backing store usage by calling virStorageSourceGetBackingStore instead of setting backing store manually. Signed-off-by: Matthias Gatto <matthias.gatto(a)outscale.com&gt; Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- src/conf/domain_conf.c | 7 ++++--- src/conf/storage_conf.c | 6 +++--- src/qemu/qemu_cgroup.c | 4 ++-- src/qemu/qemu_domain.c | 2 +- src/qemu/qemu_driver.c | 18 +++++++++-------- src/qemu/qemu_monitor_json.c | 4 +++- src/security/security_dac.c | 2 +- src/security/security_selinux.c | 4 ++-- src/security/virt-aa-helper.c | 2 +- src/storage/storage_backend.c | 22 ++++++++++++-------- src/storage/storage_backend_fs.c | 38 ++++++++++++++++++++--------------- src/storage/storage_backend_gluster.c | 8 +++++--- src/storage/storage_backend_logical.c | 12 +++++++---- src/util/virstoragefile.c | 20 +++++++++--------- tests/virstoragetest.c | 14 ++++++------- 15 files changed, 93 insertions(+), 70 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index e6102a0..5b413b5 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -18625,7 +18625,7 @@ virDomainDiskBackingStoreFormat(virBufferPtr buf, /* We currently don't output seclabels for backing chain element */ if (virDomainDiskSourceFormatInternal(buf, backingStore, 0, 0, true) < 0 || virDomainDiskBackingStoreFormat(buf, - backingStore->backingStore, + virStorageSourceGetBackingStore(backingStore, 0),

backingStore->backingStoreRaw, idx + 1) < 0) return -1; @@ -18746,7 +18746,8 @@ virDomainDiskDefFormat(virBufferPtr buf, /* Don't format backingStore to inactive XMLs until the code for * persistent storage of backing chains is ready. */ if (!(flags & VIR_DOMAIN_DEF_FORMAT_INACTIVE) && - virDomainDiskBackingStoreFormat(buf, def->src->backingStore, + virDomainDiskBackingStoreFormat(buf, + virStorageSourceGetBackingStore(def->src, 0),

def->src->backingStoreRaw, 1) < 0) return -1; @@ -22714,7 +22715,7 @@ virDomainDiskDefForeachPath(virDomainDiskDefPtr disk, } } - for (tmp = disk->src; tmp; tmp = tmp->backingStore) { + for (tmp = disk->src; tmp; tmp = virStorageSourceGetBackingStore(tmp, 0)) { int actualType = virStorageSourceGetActualType(tmp); /* execute the callback only for local storage */ if (actualType != VIR_STORAGE_TYPE_NETWORK && diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c index 9b8abea..d048e39 100644 --- a/src/conf/storage_conf.c +++ b/src/conf/storage_conf.c @@ -1330,7 +1330,7 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool, if (virStorageSize(unit, capacity, &ret->target.capacity) < 0) goto error; } else if (!(flags & VIR_VOL_XML_PARSE_NO_CAPACITY) && - !((flags & VIR_VOL_XML_PARSE_OPT_CAPACITY) && ret->target.backingStore)) { + !((flags & VIR_VOL_XML_PARSE_OPT_CAPACITY) && virStorageSourceGetBackingStore(&ret->target, 0))) {

virReportError(VIR_ERR_XML_ERROR, "%s", _("missing capacity element")); goto error; } @@ -1644,9 +1644,9 @@ virStorageVolDefFormat(virStoragePoolDefPtr pool, &def->target, "target") < 0) goto cleanup; - if (def->target.backingStore && + if (virStorageSourceGetBackingStore(&def->target, 0) && virStorageVolTargetDefFormat(options, &buf, - def->target.backingStore, + virStorageSourceGetBackingStore(&def->target, 0),

"backingStore") < 0) goto cleanup; diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c index b52ce3a..6405944 100644 --- a/src/qemu/qemu_cgroup.c +++ b/src/qemu/qemu_cgroup.c @@ -121,7 +121,7 @@ qemuSetupDiskCgroup(virDomainObjPtr vm, virStorageSourcePtr next; bool forceReadonly = false; - for (next = disk->src; next; next = next->backingStore) { + for (next = disk->src; next; next = virStorageSourceGetBackingStore(next, 0)) {

if (qemuSetImageCgroupInternal(vm, next, false, forceReadonly) < 0) return -1; @@ -139,7 +139,7 @@ qemuTeardownDiskCgroup(virDomainObjPtr vm, { virStorageSourcePtr next; - for (next = disk->src; next; next = next->backingStore) { + for (next = disk->src; next; next = virStorageSourceGetBackingStore(next, 0)) {

if (qemuSetImageCgroup(vm, next, true) < 0) return -1; } diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index ed21245..28bbe3f 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -3101,7 +3101,7 @@ qemuDomainDetermineDiskChain(virQEMUDriverPtr driver, if (virStorageSourceIsEmpty(disk->src)) goto cleanup; - if (disk->src->backingStore) { + if (virStorageSourceGetBackingStore(disk->src, 0)) { if (force_probe) virStorageSourceBackingStoreClear(disk->src); else diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index ae1d8e7..8ba7566 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -14309,13 +14309,13 @@ qemuDomainSnapshotUndoSingleDiskActive(virQEMUDriverPtr driver, /* Update vm in place to match changes. */ tmp = disk->src; - disk->src = tmp->backingStore; + disk->src = virStorageSourceGetBackingStore(tmp, 0); tmp->backingStore = NULL; virStorageSourceFree(tmp); if (persistDisk) { tmp = persistDisk->src; - persistDisk->src = tmp->backingStore; + persistDisk->src = virStorageSourceGetBackingStore(tmp, 0); tmp->backingStore = NULL; virStorageSourceFree(tmp); } @@ -16309,7 +16309,7 @@ qemuDomainBlockPullCommon(virQEMUDriverPtr driver, goto endjob; } - if (virStorageFileGetRelativeBackingPath(disk->src->backingStore, + if (virStorageFileGetRelativeBackingPath(virStorageSourceGetBackingStore(disk->src, 0),

baseSource, &backingPath) < 0) goto endjob; @@ -16662,6 +16662,7 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm, virQEMUDriverConfigPtr cfg = NULL; const char *format = NULL; int desttype = virStorageSourceGetActualType(mirror); + virStorageSourcePtr backingStore; /* Preliminaries: find the disk we are editing, sanity checks */ virCheckFlags(VIR_DOMAIN_BLOCK_COPY_SHALLOW | @@ -16705,8 +16706,9 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm, if (qemuDomainDetermineDiskChain(driver, vm, disk, false, true) < 0) goto endjob; + backingStore = virStorageSourceGetBackingStore(disk->src, 0); /* clear the _SHALLOW flag if there is only one layer */ - if (!disk->src->backingStore) + if (!backingStore) flags &= ~VIR_DOMAIN_BLOCK_COPY_SHALLOW; /* unless the user provides a pre-created file, shallow copy into a raw @@ -17113,7 +17115,7 @@ qemuDomainBlockCommit(virDomainPtr dom, goto endjob; } - if (!topSource->backingStore) { + if (!virStorageSourceGetBackingStore(topSource, 0)) { virReportError(VIR_ERR_INVALID_ARG, _("top '%s' in chain for '%s' has no backing file"), topSource->path, path); @@ -17121,14 +17123,14 @@ qemuDomainBlockCommit(virDomainPtr dom, } if (!base && (flags & VIR_DOMAIN_BLOCK_COMMIT_SHALLOW)) - baseSource = topSource->backingStore; + baseSource = virStorageSourceGetBackingStore(topSource, 0); else if (virStorageFileParseChainIndex(disk->dst, base, &baseIndex) < 0 || !(baseSource = virStorageFileChainLookup(disk->src, topSource, base, baseIndex, NULL))) goto endjob; if ((flags & VIR_DOMAIN_BLOCK_COMMIT_SHALLOW) && - baseSource != topSource->backingStore) { + baseSource != virStorageSourceGetBackingStore(topSource, 0)) { virReportError(VIR_ERR_INVALID_ARG, _("base '%s' is not immediately below '%s' in chain " "for '%s'"), @@ -19406,7 +19408,7 @@ qemuDomainGetStatsBlock(virQEMUDriverPtr driver, goto cleanup; visited++; backing_idx++; - src = src->backingStore; + src = virStorageSourceGetBackingStore(src, 0); } } diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index 86b8c7b..790d7bc 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -3785,7 +3785,9 @@ qemuMonitorJSONDiskNameLookupOne(virJSONValuePtr image, return NULL; if (top != target) { backing = virJSONValueObjectGetObject(image, "backing-image"); - return qemuMonitorJSONDiskNameLookupOne(backing, top->backingStore, + virStorageSourcePtr backingStore = + virStorageSourceGetBackingStore(top, 0); + return qemuMonitorJSONDiskNameLookupOne(backing, backingStore, target); } if (VIR_STRDUP(ret, virJSONValueObjectGetString(image, "filename")) < 0) diff --git a/src/security/security_dac.c b/src/security/security_dac.c index cdde34e..7fdf40f 100644 --- a/src/security/security_dac.c +++ b/src/security/security_dac.c @@ -454,7 +454,7 @@ virSecurityDACSetSecurityDiskLabel(virSecurityManagerPtr mgr, { virStorageSourcePtr next; - for (next = disk->src; next; next = next->backingStore) { + for (next = disk->src; next; next = virStorageSourceGetBackingStore(next, 0)) {

if (virSecurityDACSetSecurityImageLabel(mgr, def, next) < 0) return -1; } diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c index b8ebdcc..5d694d8 100644 --- a/src/security/security_selinux.c +++ b/src/security/security_selinux.c @@ -1216,7 +1216,7 @@ virSecuritySELinuxRestoreSecurityImageLabelInt(virSecurityManagerPtr mgr, * be tracked in domain XML, at which point labelskip should be a * per-file attribute instead of a disk attribute. */ if (disk_seclabel && disk_seclabel->labelskip && - !src->backingStore) + !virStorageSourceGetBackingStore(src, 0)) return 0; /* Don't restore labels on readonly/shared disks, because other VMs may @@ -1350,7 +1350,7 @@ virSecuritySELinuxSetSecurityDiskLabel(virSecurityManagerPtr mgr, bool first = true; virStorageSourcePtr next; - for (next = disk->src; next; next = next->backingStore) { + for (next = disk->src; next; next = virStorageSourceGetBackingStore(next, 0)) {

if (virSecuritySELinuxSetSecurityImageLabelInternal(mgr, def, next, first) < 0) return -1; diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c index 5de56e5..dddde1c 100644 --- a/src/security/virt-aa-helper.c +++ b/src/security/virt-aa-helper.c @@ -967,7 +967,7 @@ get_files(vahControl * ctl) /* XXX - if we knew the qemu user:group here we could send it in * so that the open could be re-tried as that user:group. */ - if (!disk->src->backingStore) { + if (!virStorageSourceGetBackingStore(disk->src, 0)) { bool probe = ctl->allowDiskFormatProbing; virStorageFileGetMetadata(disk->src, -1, -1, probe, false); } diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c index 194736b..08ed1dd 100644 --- a/src/storage/storage_backend.c +++ b/src/storage/storage_backend.c @@ -940,6 +940,7 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn, .features = vol->target.features, .nocow = vol->target.nocow, }; + virStorageSourcePtr backingStore; virCheckFlags(VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA, NULL); @@ -988,12 +989,13 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn, } } - if (vol->target.backingStore) { + backingStore = virStorageSourceGetBackingStore(&vol->target, 0); + if (backingStore) { int accessRetCode = -1; char *absolutePath = NULL; - info.backingFormat = vol->target.backingStore->format; - info.backingPath = vol->target.backingStore->path; + info.backingFormat = backingStore->format; + info.backingPath = backingStore->path; if (info.preallocate) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", @@ -1006,8 +1008,10 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn, * backing store, not really sure what use it serves though, and it * may cause issues with lvm. Untested essentially. */ - if (inputvol && inputvol->target.backingStore && - STRNEQ_NULLABLE(inputvol->target.backingStore->path, info.backingPath)) { + if (inputvol && + virStorageSourceGetBackingStore(&inputvol->target, 0) && + STRNEQ_NULLABLE(virStorageSourceGetBackingStore(&inputvol->target, 0)->path, + info.backingPath)) {

virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("a different backing store cannot be specified.")); return NULL; @@ -1197,7 +1201,7 @@ virStorageBackendCreateQcowCreate(virConnectPtr conn ATTRIBUTE_UNUSED, vol->target.format); return -1; } - if (vol->target.backingStore != NULL) { + if (virStorageSourceGetBackingStore(&vol->target, 0) != NULL) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("copy-on-write image not supported with " "qcow-create")); @@ -1639,14 +1643,16 @@ virStorageBackendUpdateVolInfo(virStorageVolDefPtr vol, unsigned int openflags) { int ret; + virStorageSourcePtr backingStore; if ((ret = virStorageBackendUpdateVolTargetInfo(&vol->target, withBlockVolFormat, openflags)) < 0) return ret; - if (vol->target.backingStore && - (ret = virStorageBackendUpdateVolTargetInfo(vol->target.backingStore, + backingStore = virStorageSourceGetBackingStore(&vol->target, 0); + if (backingStore && + (ret = virStorageBackendUpdateVolTargetInfo(backingStore, withBlockVolFormat, VIR_STORAGE_VOL_OPEN_DEFAULT | VIR_STORAGE_VOL_OPEN_NOERROR) < 0)) diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c index 99ea394..7b05d4d 100644 --- a/src/storage/storage_backend_fs.c +++ b/src/storage/storage_backend_fs.c @@ -70,6 +70,7 @@ virStorageBackendProbeTarget(virStorageSourcePtr target, int ret = -1; int rc; virStorageSourcePtr meta = NULL; + virStorageSourcePtr backingStore; struct stat sb; if (encryption) @@ -99,37 +100,39 @@ virStorageBackendProbeTarget(virStorageSourcePtr target, if (!(target->backingStore = virStorageSourceNewFromBacking(meta))) goto cleanup; - target->backingStore->format = backingStoreFormat; + backingStore = virStorageSourceGetBackingStore(target, 0); + backingStore->format = backingStoreFormat; /* XXX: Remote storage doesn't play nicely with volumes backed by * remote storage. To avoid trouble, just fake the backing store is RAW * and put the string from the metadata as the path of the target. */ - if (!virStorageSourceIsLocalStorage(target->backingStore)) { - virStorageSourceFree(target->backingStore); + if (!virStorageSourceIsLocalStorage(backingStore)) { + virStorageSourceFree(backingStore);

- if (VIR_ALLOC(target->backingStore) < 0) + if (VIR_ALLOC(backingStore) < 0) goto cleanup; - target->backingStore->type = VIR_STORAGE_TYPE_NETWORK; - target->backingStore->path = meta->backingStoreRaw; + target->backingStore = backingStore; + backingStore->type = VIR_STORAGE_TYPE_NETWORK; + backingStore->path = meta->backingStoreRaw; meta->backingStoreRaw = NULL; - target->backingStore->format = VIR_STORAGE_FILE_RAW; + backingStore->format = VIR_STORAGE_FILE_RAW; } - if (target->backingStore->format == VIR_STORAGE_FILE_AUTO) { - if ((rc = virStorageFileProbeFormat(target->backingStore->path, + if (backingStore->format == VIR_STORAGE_FILE_AUTO) { + if ((rc = virStorageFileProbeFormat(backingStore->path, -1, -1)) < 0) { /* If the backing file is currently unavailable or is * accessed via remote protocol only log an error, fake the * format as RAW and continue. Returning -1 here would * disable the whole storage pool, making it unavailable for * even maintenance. */ - target->backingStore->format = VIR_STORAGE_FILE_RAW; + backingStore->format = VIR_STORAGE_FILE_RAW; virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot probe backing volume format: %s"), - target->backingStore->path); + backingStore->path); } else { - target->backingStore->format = rc; + backingStore->format = rc; } } } @@ -860,6 +863,7 @@ virStorageBackendFileSystemRefresh(virConnectPtr conn ATTRIBUTE_UNUSED, struct stat statbuf; virStorageVolDefPtr vol = NULL; virStorageSourcePtr target = NULL; + virStorageSourcePtr backingStore; int direrr; int fd = -1, ret = -1; @@ -918,10 +922,12 @@ virStorageBackendFileSystemRefresh(virConnectPtr conn ATTRIBUTE_UNUSED, if (vol->target.format == VIR_STORAGE_FILE_DIR) vol->type = VIR_STORAGE_VOL_DIR; - if (vol->target.backingStore) { - ignore_value(virStorageBackendUpdateVolTargetInfo(vol->target.backingStore, - false, - VIR_STORAGE_VOL_OPEN_DEFAULT)); + backingStore = virStorageSourceGetBackingStore(&vol->target, 0); + if (backingStore) { + ignore_value(virStorageBackendUpdateVolTargetInfo( + backingStore, + false, + VIR_STORAGE_VOL_OPEN_DEFAULT)); /* If this failed, the backing file is currently unavailable, * the capacity, allocation, owner, group and mode are unknown. * An error message was raised, but we just continue. */ diff --git a/src/storage/storage_backend_gluster.c b/src/storage/storage_backend_gluster.c index d2e79bc..9bddb3b 100644 --- a/src/storage/storage_backend_gluster.c +++ b/src/storage/storage_backend_gluster.c @@ -247,6 +247,7 @@ virStorageBackendGlusterRefreshVol(virStorageBackendGlusterStatePtr state, char *header = NULL; ssize_t len = VIR_STORAGE_MAX_HEADER; int backingFormat; + virStorageSourcePtr backingStore; *volptr = NULL; @@ -302,13 +303,14 @@ virStorageBackendGlusterRefreshVol(virStorageBackendGlusterStatePtr state, if (meta->backingStoreRaw) { if (VIR_ALLOC(vol->target.backingStore) < 0) goto cleanup; + backingStore = virStorageSourceGetBackingStore(&vol->target, 0); - vol->target.backingStore->path = meta->backingStoreRaw; + backingStore->path = meta->backingStoreRaw; if (backingFormat < 0) - vol->target.backingStore->format = VIR_STORAGE_FILE_RAW; + backingStore->format = VIR_STORAGE_FILE_RAW; else - vol->target.backingStore->format = backingFormat; + backingStore->format = backingFormat; meta->backingStoreRaw = NULL; } diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c index 536e617..e2a287d 100644 --- a/src/storage/storage_backend_logical.c +++ b/src/storage/storage_backend_logical.c @@ -88,6 +88,7 @@ virStorageBackendLogicalMakeVol(char **const groups, size_t i; int err, nextents, nvars, ret = -1; const char *attrs = groups[9]; + virStorageSourcePtr backingStore; /* Skip inactive volume */ if (attrs[4] != 'a') @@ -151,11 +152,12 @@ virStorageBackendLogicalMakeVol(char **const groups, if (VIR_ALLOC(vol->target.backingStore) < 0) goto cleanup; - if (virAsprintf(&vol->target.backingStore->path, "%s/%s", + backingStore = virStorageSourceGetBackingStore(&vol->target, 0);

+ if (virAsprintf(&backingStore->path, "%s/%s", pool->def->target.path, groups[1]) < 0) goto cleanup; - vol->target.backingStore->format = VIR_STORAGE_POOL_LOGICAL_LVM2; + backingStore->format = VIR_STORAGE_POOL_LOGICAL_LVM2; } if (!vol->key && VIR_STRDUP(vol->key, groups[2]) < 0) @@ -732,6 +734,7 @@ virStorageBackendLogicalCreateVol(virConnectPtr conn, virErrorPtr err; struct stat sb; bool created = false; + virStorageSourcePtr backingStore; if (vol->target.encryption != NULL) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, @@ -764,8 +767,9 @@ virStorageBackendLogicalCreateVol(virConnectPtr conn, } virCommandAddArgFormat(cmd, "%lluK", VIR_DIV_UP(vol->target.capacity, 1024)); - if (vol->target.backingStore) - virCommandAddArgList(cmd, "-s", vol->target.backingStore->path, NULL); + backingStore = virStorageSourceGetBackingStore(&vol->target, 0); + if (backingStore) + virCommandAddArgList(cmd, "-s", backingStore->path, NULL); else virCommandAddArg(cmd, pool->def->source.name); diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c index 016beaa..af17d82 100644 --- a/src/util/virstoragefile.c +++ b/src/util/virstoragefile.c @@ -1076,10 +1076,10 @@ virStorageFileChainGetBroken(virStorageSourcePtr chain, if (!chain) return 0; - for (tmp = chain; tmp; tmp = tmp->backingStore) { + for (tmp = chain; tmp; tmp = virStorageSourceGetBackingStore(tmp, 0)) { /* Break when we hit end of chain; report error if we detected * a missing backing file, infinite loop, or other error */ - if (!tmp->backingStore && tmp->backingStoreRaw) { + if (!virStorageSourceGetBackingStore(tmp, 0) && tmp->backingStoreRaw) { if (VIR_STRDUP(*brokenFile, tmp->backingStoreRaw) < 0) return -1; @@ -1334,8 +1334,8 @@ virStorageFileChainLookup(virStorageSourcePtr chain, *parent = NULL; if (startFrom) { - while (chain && chain != startFrom->backingStore) { - chain = chain->backingStore; + while (chain && chain != virStorageSourceGetBackingStore(startFrom, 0)) { + chain = virStorageSourceGetBackingStore(chain, 0); i++; } @@ -1352,7 +1352,7 @@ virStorageFileChainLookup(virStorageSourcePtr chain, while (chain) { if (!name && !idx) { - if (!chain->backingStore) + if (!virStorageSourceGetBackingStore(chain, 0)) break; } else if (idx) { VIR_DEBUG("%zu: %s", i, chain->path); @@ -1387,7 +1387,7 @@ virStorageFileChainLookup(virStorageSourcePtr chain, } } *parent = chain; - chain = chain->backingStore; + chain = virStorageSourceGetBackingStore(chain, 0); i++; } @@ -1893,8 +1893,8 @@ virStorageSourceCopy(const virStorageSource *src, !(ret->auth = virStorageAuthDefCopy(src->auth))) goto error; - if (backingChain && src->backingStore) { - if (!(ret->backingStore = virStorageSourceCopy(src->backingStore, + if (backingChain && virStorageSourceGetBackingStore(src, 0)) { + if (!(ret->backingStore = virStorageSourceCopy(virStorageSourceGetBackingStore(src, 0), true)))

goto error; } @@ -2035,7 +2035,7 @@ virStorageSourceBackingStoreClear(virStorageSourcePtr def) VIR_FREE(def->backingStoreRaw); /* recursively free backing chain */ - virStorageSourceFree(def->backingStore); + virStorageSourceFree(virStorageSourceGetBackingStore(def, 0)); def->backingStore = NULL; } @@ -2898,7 +2898,7 @@ virStorageFileGetRelativeBackingPath(virStorageSourcePtr top, *relpath = NULL; - for (next = top; next; next = next->backingStore) { + for (next = top; next; next = virStorageSourceGetBackingStore(next, 0)) { if (!next->relPath) { ret = 1; goto cleanup; diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c index 38ce09e..5bd4637 100644 --- a/tests/virstoragetest.c +++ b/tests/virstoragetest.c @@ -403,7 +403,7 @@ testStorageChain(const void *args) } VIR_FREE(expect); VIR_FREE(actual); - elt = elt->backingStore; + elt = virStorageSourceGetBackingStore(elt, 0); i++; } if (i != data->nfiles) { @@ -1044,8 +1044,8 @@ mymain(void) ret = -1; goto cleanup; } - chain2 = chain->backingStore; - chain3 = chain2->backingStore; + chain2 = virStorageSourceGetBackingStore(chain, 0); + chain3 = virStorageSourceGetBackingStore(chain2, 0); #define TEST_LOOKUP_TARGET(id, target, from, name, index, result, \ meta, parent) \ @@ -1110,8 +1110,8 @@ mymain(void) ret = -1; goto cleanup; } - chain2 = chain->backingStore; - chain3 = chain2->backingStore; + chain2 = virStorageSourceGetBackingStore(chain, 0); + chain3 = virStorageSourceGetBackingStore(chain2, 0); TEST_LOOKUP(28, NULL, "bogus", NULL, NULL, NULL); TEST_LOOKUP(29, chain, "bogus", NULL, NULL, NULL); @@ -1157,8 +1157,8 @@ mymain(void) ret = -1; goto cleanup; } - chain2 = chain->backingStore; - chain3 = chain2->backingStore; + chain2 = virStorageSourceGetBackingStore(chain, 0); + chain3 = virStorageSourceGetBackingStore(chain2, 0); TEST_LOOKUP(56, NULL, "bogus", NULL, NULL, NULL); TEST_LOOKUP(57, NULL, "sub/link2", chain->path, chain, NULL);