[libvirt] [PATCH] qemu: allow snapshotting of sheepdog and rbd disks

[Josh Durgin]

Signed-off-by: Josh Durgin <josh.durgin at dreamhost.com>
---
 .gnulib                |    2 +-
 src/qemu/qemu_driver.c |   14 ++++++++++----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/.gnulib b/.gnulib
index d5612c7..6b93d00 160000
--- a/.gnulib
+++ b/.gnulib
@@ -1 +1 @@
-Subproject commit d5612c714c87555f1059d71d347e20271dced322
+Subproject commit 6b93d00f5410ec183e3a70ebf8e418e3b1bb0191
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 7e6d59c..fc537df 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -9571,12 +9571,18 @@ qemuDomainSnapshotIsAllowed(virDomainObjPtr vm)
      * that succeed as well
      */
     for (i = 0; i < vm->def->ndisks; i++) {
-        if ((vm->def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_LUN) ||
-            (vm->def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
-             STRNEQ_NULLABLE(vm->def->disks[i]->driverType, "qcow2"))) {
+        virDomainDiskDefPtr disk = vm->def->disks[i];
+        if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK &&
+            (disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG ||
+             disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD))
+            continue;
+
+        if ((disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) ||
+            (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
+             STRNEQ_NULLABLE(disk->driverType, "qcow2"))) {
             qemuReportError(VIR_ERR_OPERATION_INVALID,
                             _("Disk '%s' does not support snapshotting"),
-                            vm->def->disks[i]->src);
+                            disk->src);
             return false;
         }
     }
-- 
1.7.5.4