8:43 a.m.
Replace the parts of the code where a backing store is set manually
with virStorageSourceSetBackingStore
Signed-off-by: Matthias Gatto <matthias.gatto(a)outscale.com>
Signed-off-by: John Ferlan <jferlan(a)redhat.com>
---
src/conf/domain_conf.c | 3 ++-
src/conf/storage_conf.c | 17 ++++++++++-------
src/qemu/qemu_driver.c | 17 +++++++++++------
src/storage/storage_backend_fs.c | 7 +++++--
src/storage/storage_backend_gluster.c | 5 +++--
src/storage/storage_backend_logical.c | 9 ++++++---
src/storage/storage_driver.c | 3 ++-
src/util/virstoragefile.c | 8 +++++---
tests/virstoragetest.c | 4 ++--
9 files changed, 46 insertions(+), 27 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index e0befc3..101cfeb 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -6661,7 +6661,8 @@ virDomainDiskBackingStoreParse(xmlXPathContextPtr ctxt,
virDomainDiskBackingStoreParse(ctxt, backingStore) < 0)
goto cleanup;
- src->backingStore = backingStore;
+ if (!virStorageSourceSetBackingStore(src, backingStore, 0))
+ goto cleanup;
ret = 0;
cleanup:
diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index d048e39..183c80c 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -1259,6 +1259,7 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
char *capacity = NULL;
char *unit = NULL;
char *backingStore = NULL;
+ virStorageSourcePtr backingStorePtr;
xmlNodePtr node;
xmlNodePtr *nodes = NULL;
size_t i;
@@ -1295,20 +1296,22 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
}
if ((backingStore = virXPathString("string(./backingStore/path)", ctxt)))
{
- if (VIR_ALLOC(ret->target.backingStore) < 0)
+ if (VIR_ALLOC(backingStorePtr) < 0)
goto error;
- ret->target.backingStore->path = backingStore;
+ if (!virStorageSourceSetBackingStore(&ret->target, backingStorePtr, 0))
+ goto error;
+ backingStorePtr->path = backingStore;
backingStore = NULL;
if (options->formatFromString) {
char *format =
virXPathString("string(./backingStore/format/@type)", ctxt);
if (format == NULL)
- ret->target.backingStore->format = options->defaultFormat;
+ backingStorePtr->format = options->defaultFormat;
else
- ret->target.backingStore->format =
(options->formatFromString)(format);
+ backingStorePtr->format = (options->formatFromString)(format);
- if (ret->target.backingStore->format < 0) {
+ if (backingStorePtr->format < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown volume format type %s"), format);
VIR_FREE(format);
@@ -1317,9 +1320,9 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
VIR_FREE(format);
}
- if (VIR_ALLOC(ret->target.backingStore->perms) < 0)
+ if (VIR_ALLOC(backingStorePtr->perms) < 0)
goto error;
- if (virStorageDefParsePerms(ctxt, ret->target.backingStore->perms,
+ if (virStorageDefParsePerms(ctxt, backingStorePtr->perms,
"./backingStore/permissions") < 0)
goto error;
}
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index ac45d56..cbc508c 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -14253,13 +14253,18 @@ qemuDomainSnapshotCreateSingleDiskActive(virQEMUDriverPtr
driver,
/* Update vm in place to match changes. */
need_unlink = false;
- newDiskSrc->backingStore = disk->src;
- disk->src = newDiskSrc;
+ if (!virStorageSourceSetBackingStore(newDiskSrc, disk->src, 0)) {
+ ret = -1;
+ goto cleanup;
+ }
newDiskSrc = NULL;
if (persistDisk) {
- persistDiskSrc->backingStore = persistDisk->src;
- persistDisk->src = persistDiskSrc;
+ if (!virStorageSourceSetBackingStore(persistDiskSrc,
+ persistDisk->src, 0)) {
+ ret = -1;
+ goto cleanup;
+ }
persistDiskSrc = NULL;
}
@@ -14302,13 +14307,13 @@ qemuDomainSnapshotUndoSingleDiskActive(virQEMUDriverPtr driver,
/* Update vm in place to match changes. */
tmp = disk->src;
disk->src = virStorageSourceGetBackingStore(tmp, 0);
- tmp->backingStore = NULL;
+ ignore_value(virStorageSourceSetBackingStore(tmp, NULL, 0));
virStorageSourceFree(tmp);
if (persistDisk) {
tmp = persistDisk->src;
persistDisk->src = virStorageSourceGetBackingStore(tmp, 0);
- tmp->backingStore = NULL;
+ ignore_value(virStorageSourceSetBackingStore(tmp, NULL, 0));
virStorageSourceFree(tmp);
}
}
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index cb33ac0..d065a5f 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -97,7 +97,9 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
goto cleanup;
if (meta->backingStoreRaw) {
- if (!(target->backingStore = virStorageSourceNewFromBacking(meta)))
+ if (!virStorageSourceSetBackingStore(target,
+ virStorageSourceNewFromBacking(meta),
+ 0))
goto cleanup;
backingStore = virStorageSourceGetBackingStore(target, 0);
@@ -112,7 +114,8 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
if (VIR_ALLOC(backingStore) < 0)
goto cleanup;
- target->backingStore = backingStore;
+ if (!virStorageSourceSetBackingStore(target, backingStore, 0))
+ goto cleanup;
backingStore->type = VIR_STORAGE_TYPE_NETWORK;
backingStore->path = meta->backingStoreRaw;
meta->backingStoreRaw = NULL;
diff --git a/src/storage/storage_backend_gluster.c
b/src/storage/storage_backend_gluster.c
index 9bddb3b..29e82d0 100644
--- a/src/storage/storage_backend_gluster.c
+++ b/src/storage/storage_backend_gluster.c
@@ -301,9 +301,10 @@ virStorageBackendGlusterRefreshVol(virStorageBackendGlusterStatePtr
state,
goto cleanup;
if (meta->backingStoreRaw) {
- if (VIR_ALLOC(vol->target.backingStore) < 0)
+ if (VIR_ALLOC(backingStore) < 0)
+ goto cleanup;
+ if (!virStorageSourceSetBackingStore(&vol->target, backingStore, 0))
goto cleanup;
- backingStore = virStorageSourceGetBackingStore(&vol->target, 0);
backingStore->path = meta->backingStoreRaw;
diff --git a/src/storage/storage_backend_logical.c
b/src/storage/storage_backend_logical.c
index e7e4e1d..a06e9ba 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')
@@ -148,14 +149,16 @@ virStorageBackendLogicalMakeVol(char **const groups,
* lv is created with "--virtualsize").
*/
if (groups[1] && STRNEQ(groups[1], "") && (groups[1][0] !=
'[')) {
- if (VIR_ALLOC(vol->target.backingStore) < 0)
+ if (VIR_ALLOC(backingStore) < 0)
goto cleanup;
- if (virAsprintf(&virStorageSourceGetBackingStore(&vol->target,
0)->path, "%s/%s",
+ if (!virStorageSourceSetBackingStore(&vol->target, backingStore, 0))
+ goto cleanup;
+ if (virAsprintf(&backingStore->path, "%s/%s",
pool->def->target.path, groups[1]) < 0)
goto cleanup;
- virStorageSourceGetBackingStore(&vol->target, 0)->format =
VIR_STORAGE_POOL_LOGICAL_LVM2;
+ backingStore->format = VIR_STORAGE_POOL_LOGICAL_LVM2;
}
if (!vol->key && VIR_STRDUP(vol->key, groups[2]) < 0)
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index 0aa2d6e..119679d 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -3064,7 +3064,8 @@ virStorageFileGetMetadataRecurse(virStorageSourcePtr src,
goto cleanup;
}
- src->backingStore = backingStore;
+ if (!virStorageSourceSetBackingStore(src, backingStore, 0))
+ goto cleanup;
backingStore = NULL;
ret = 0;
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 731e0c3..cb96c5b 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -1902,8 +1902,10 @@ virStorageSourceCopy(const virStorageSource *src,
goto error;
if (backingChain && virStorageSourceGetBackingStore(src, 0)) {
- if (!(ret->backingStore =
virStorageSourceCopy(virStorageSourceGetBackingStore(src, 0),
- true)))
+ if (!virStorageSourceSetBackingStore(ret,
+
virStorageSourceCopy(virStorageSourceGetBackingStore(src, 0),
+ true),
+ 0))
goto error;
}
@@ -2044,7 +2046,7 @@ virStorageSourceBackingStoreClear(virStorageSourcePtr def)
/* recursively free backing chain */
virStorageSourceFree(virStorageSourceGetBackingStore(def, 0));
- def->backingStore = NULL;
+ virStorageSourceSetBackingStore(def, NULL, 0);
}
diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
index 5bd4637..58f505d 100644
--- a/tests/virstoragetest.c
+++ b/tests/virstoragetest.c
@@ -583,9 +583,9 @@ testPathRelativePrepare(void)
for (i = 0; i < ARRAY_CARDINALITY(backingchain); i++) {
if (i < ARRAY_CARDINALITY(backingchain) - 1)
- backingchain[i].backingStore = &backingchain[i + 1];
+ virStorageSourceSetBackingStore(&backingchain[i], &backingchain[i +
1], 0);
else
- backingchain[i].backingStore = NULL;
+ virStorageSourceSetBackingStore(&backingchain[i], NULL, 0);
backingchain[i].relPath = NULL;
}
--
2.6.1