[PATCHv4 29/29] qemu: snapshot: Use storage driver to pre-create snapshot file

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Move the last operation done on local files to the storage driver API.
---
 src/qemu/qemu_driver.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 281c648..79970f2 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12847,7 +12847,7 @@ qemuDomainSnapshotCreateSingleDiskActive(virQEMUDriverPtr driver,
     if (virStorageSourceInitChainElement(newDiskSrc, disk->src, false) < 0)
         goto cleanup;

-    if (virStorageFileInit(newDiskSrc) < 0)
+    if (qemuDomainStorageFileInit(driver, vm, newDiskSrc) < 0)
         goto cleanup;

     if (qemuGetDriveSourceString(newDiskSrc, NULL, &source) < 0)
@@ -12863,15 +12863,13 @@ qemuDomainSnapshotCreateSingleDiskActive(virQEMUDriverPtr driver,
     }

     /* pre-create the image file so that we can label it before handing it to qemu */
-    /* XXX we should switch to storage driver based pre-creation of the image */
-    if (virStorageSourceIsLocalStorage(newDiskSrc)) {
-        if (!reuse && newDiskSrc->type != VIR_STORAGE_TYPE_BLOCK) {
-            fd = qemuOpenFile(driver, vm, source, O_WRONLY | O_TRUNC | O_CREAT,
-                              &need_unlink, NULL);
-            if (fd < 0)
-                goto cleanup;
-            VIR_FORCE_CLOSE(fd);
+    if (!reuse && newDiskSrc->type != VIR_STORAGE_TYPE_BLOCK) {
+        if (virStorageFileCreate(newDiskSrc) < 0) {
+            virReportSystemError(errno, _("failed to create image file '%s'"),
+                                 source);
+            goto cleanup;
         }
+        need_unlink = true;
     }

     /* set correct security, cgroup and locking options on the new image */
-- 
1.9.3

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