qemu: command: Add helper to check if disk throttling is enabled

Add a helper which will use a collection of other helpers to determine
whether a disk requires throttling to be enabled.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 086167ce0ab2dcd6de90cf964ed34895568009b7..3c72cb90b478ee059142f1ab25a70a49dc456dcf 100644 (file)
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1031,6 +1031,16 @@ qemuDiskConfigBlkdeviotuneHasMaxLength(virDomainDiskDefPtr disk)
 }
 
 
+bool
+qemuDiskConfigBlkdeviotuneEnabled(virDomainDiskDefPtr disk)
+{
+    return !!disk->blkdeviotune.group_name ||
+           qemuDiskConfigBlkdeviotuneHasBasic(disk) ||
+           qemuDiskConfigBlkdeviotuneHasMax(disk) ||
+           qemuDiskConfigBlkdeviotuneHasMaxLength(disk);
+}
+
+
 /**
  * qemuCheckDiskConfigBlkdeviotune:
  * @disk: disk configuration

diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index 283bf3120d6a9c4eeb37d41d049dc5d12a726ad9..13c5508ae859ccd92b6e47e2360e1cf4e63fc069 100644 (file)
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -180,6 +180,9 @@ int qemuGetDriveSourceString(virStorageSourcePtr src,
                              qemuDomainSecretInfoPtr secinfo,
                              char **source);
 
+bool
+qemuDiskConfigBlkdeviotuneEnabled(virDomainDiskDefPtr disk);
+
 int qemuCheckDiskConfig(virDomainDiskDefPtr disk,
                         virQEMUCapsPtr qemuCaps);