[PATCH 4/9] virstoragefile: Always use virStorageSourceSetBackingStore to set backing store

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Replace the parts of the code where a backing store is set manually
with virStorageSourceSetBackingStore

Signed-off-by: Matthias Gatto <matthias.gatto@xxxxxxxxxxxx>
---
 src/conf/domain_conf.c           | 2 +-
 src/qemu/qemu_domain.c           | 1 -
 src/qemu/qemu_driver.c           | 4 ++--
 src/storage/storage_backend_fs.c | 2 +-
 src/storage/storage_driver.c     | 2 +-
 src/util/virstoragefile.c        | 8 +++++---
 tests/virstoragetest.c           | 4 ++--
 7 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b790fc5..00e0470 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5523,7 +5523,7 @@ virDomainDiskBackingStoreParse(xmlXPathContextPtr ctxt,
         virDomainDiskBackingStoreParse(ctxt, backingStore) < 0)
         goto cleanup;
 
-    src->backingStore = backingStore;
+    virStorageSourceSetBackingStore(src, backingStore, 0);
     ret = 0;
 
  cleanup:
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 9157e4d..458ceb0 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -2534,7 +2534,6 @@ qemuDomainCheckDiskPresence(virQEMUDriverPtr driver,
     int ret = -1;
     size_t i;
 
-    VIR_DEBUG("Checking for disk presence");
     for (i = vm->def->ndisks; i > 0; i--) {
         size_t idx = i - 1;
         virDomainDiskDefPtr disk = vm->def->disks[idx];
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 9ed5035..8e3a492 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -13497,13 +13497,13 @@ qemuDomainSnapshotUndoSingleDiskActive(virQEMUDriverPtr driver,
     /* Update vm in place to match changes. */
     tmp = disk->src;
     disk->src = virStorageSourceGetBackingStore(tmp, 0);
-    tmp->backingStore = NULL;
+    virStorageSourceSetBackingStore(tmp, NULL, 0);
     virStorageSourceFree(tmp);
 
     if (persistDisk) {
         tmp = persistDisk->src;
         persistDisk->src = virStorageSourceGetBackingStore(tmp, 0);
-        tmp->backingStore = NULL;
+        virStorageSourceSetBackingStore(tmp, NULL, 0);
         virStorageSourceFree(tmp);
     }
 }
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index d7bd1fb..07fd6ee 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -96,7 +96,7 @@ virStorageBackendProbeTarget(virStorageSourcePtr target,
         goto cleanup;
 
     if (meta->backingStoreRaw) {
-        if (!(target->backingStore = virStorageSourceNewFromBacking(meta)))
+        if (!virStorageSourceSetBackingStore(target, virStorageSourceNewFromBacking(meta), 0))
             goto cleanup;
 
         target->backingStore->format = backingStoreFormat;
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index 66dc994..eeb2a4c 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -2899,7 +2899,7 @@ virStorageFileGetMetadataRecurse(virStorageSourcePtr src,
         goto cleanup;
     }
 
-    src->backingStore = backingStore;
+    virStorageSourceSetBackingStore(src, backingStore, 0);
     backingStore = NULL;
     ret = 0;
 
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 88b0ce6..20f45f3 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -1906,8 +1906,10 @@ 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 12670da..b7820d4 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;
     }
-- 
1.8.3.1

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