[libvirt] [PATCH v2 6/7] qemuDomainDiskChangeSupported: Fill in missing checks

[Michal Privoznik]

So far this function was not kept in sync with changing
virDomainDiskDef. Fill in all the missing checks and reorganize
their order so it's easier to track which items are not being
checked for.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/qemu/qemu_domain.c | 45 +++++++++++++++++++++++++++++++--------------
 1 file changed, 31 insertions(+), 14 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 21f5002..ed92d8a 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -3057,15 +3057,15 @@ qemuDomainDiskChangeSupported(virDomainDiskDefPtr disk,
     } while (0)
 
     CHECK_EQ(device, "device", false);
-    CHECK_EQ(cachemode, "cache", true);
-    CHECK_EQ(error_policy, "error_policy", true);
-    CHECK_EQ(rerror_policy, "rerror_policy", true);
-    CHECK_EQ(iomode, "io", true);
-    CHECK_EQ(ioeventfd, "ioeventfd", true);
-    CHECK_EQ(event_idx, "event_idx", true);
-    CHECK_EQ(copy_on_read, "copy_on_read", true);
-    CHECK_EQ(discard, "discard", true);
-    CHECK_EQ(iothread, "iothread", true);
+    CHECK_EQ(bus, "bus", false);
+    if (STRNEQ(disk->dst, orig_disk->dst)) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+                       _("cannot modify field '%s' of the disk"),
+                       "bus");
+        return false;
+    }
+    CHECK_EQ(tray_status, "tray", true);
+    CHECK_EQ(removable, "removable", true);
 
     if (disk->geometry.cylinders &&
         disk->geometry.heads &&
@@ -3081,9 +3081,6 @@ qemuDomainDiskChangeSupported(virDomainDiskDefPtr disk,
     CHECK_EQ(blockio.physical_block_size,
              "blockio physical_block_size", false);
 
-    if (disk->bus == VIR_DOMAIN_DISK_BUS_USB)
-        CHECK_EQ(removable, "removable", true);
-
     CHECK_EQ(blkdeviotune.total_bytes_sec,
              "blkdeviotune total_bytes_sec",
              true);
@@ -3124,8 +3121,6 @@ qemuDomainDiskChangeSupported(virDomainDiskDefPtr disk,
              "blkdeviotune size_iops_sec",
              true);
 
-    CHECK_EQ(transient, "transient", true);
-
     if (disk->serial && STRNEQ_NULLABLE(disk->serial, orig_disk->serial)) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
                        _("cannot modify field '%s' of the disk"),
@@ -3154,7 +3149,29 @@ qemuDomainDiskChangeSupported(virDomainDiskDefPtr disk,
         return false;
     }
 
+    CHECK_EQ(cachemode, "cache", true);
+    CHECK_EQ(error_policy, "error_policy", true);
+    CHECK_EQ(rerror_policy, "rerror_policy", true);
+    CHECK_EQ(iomode, "io", true);
+    CHECK_EQ(ioeventfd, "ioeventfd", true);
+    CHECK_EQ(event_idx, "event_idx", true);
+    CHECK_EQ(copy_on_read, "copy_on_read", true);
+    CHECK_EQ(snapshot, "snapshot", true);
+    CHECK_EQ(startupPolicy, "startupPolicy", true);
+    CHECK_EQ(transient, "transient", true);
     CHECK_EQ(info.bootIndex, "boot order", true);
+    CHECK_EQ(rawio, "rawio", true);
+    CHECK_EQ(sgio, "sgio", true);
+    CHECK_EQ(discard, "discard", true);
+    CHECK_EQ(iothread, "iothread", true);
+
+    if (disk->domain_name &&
+        STRNEQ_NULLABLE(disk->domain_name, orig_disk->domain_name)) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+                       _("cannot modify field '%s' of the disk"),
+                       "backenddomain");
+        return false;
+    }
 
 #undef CHECK_EQ
 
-- 
2.4.6