[libvirt] [PATCH 05/11] qemu: Remove virDomainLiveConfigHelperMethod from qemuDomainGetBlkioParameters

Peter Krempa pkrempa at redhat.com
Wed May 25 13:04:03 UTC 2016


---
 src/qemu/qemu_driver.c | 65 ++++++++++++++++++++++----------------------------
 1 file changed, 29 insertions(+), 36 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index db8b9d6..e8e1418 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -9089,10 +9089,10 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
     virQEMUDriverPtr driver = dom->conn->privateData;
     size_t i, j;
     virDomainObjPtr vm = NULL;
+    virDomainDefPtr def = NULL;
     virDomainDefPtr persistentDef = NULL;
     unsigned int val;
     int ret = -1;
-    virCapsPtr caps = NULL;
     qemuDomainObjPrivatePtr priv;

     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
@@ -9118,9 +9118,6 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
         goto cleanup;
     }

-    if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
-        goto cleanup;
-
     if ((*nparams) == 0) {
         /* Current number of blkio parameters supported by cgroups */
         *nparams = QEMU_NB_BLKIO_PARAM;
@@ -9128,19 +9125,16 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
         goto cleanup;
     }

-    if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt, vm, &flags,
-                                        &persistentDef) < 0)
+    if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
         goto cleanup;

-    if (flags & VIR_DOMAIN_AFFECT_LIVE) {
+    if (def) {
         if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_BLKIO)) {
             virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                            _("blkio cgroup isn't mounted"));
             goto cleanup;
         }
-    }

-    if (flags & VIR_DOMAIN_AFFECT_LIVE) {
         for (i = 0; i < *nparams && i < QEMU_NB_BLKIO_PARAM; i++) {
             virTypedParameterPtr param = &params[i];
             val = 0;
@@ -9155,20 +9149,20 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
                 break;

             case 1: /* blkiotune.device_weight */
-                if (vm->def->blkio.ndevices > 0) {
+                if (def->blkio.ndevices > 0) {
                     virBuffer buf = VIR_BUFFER_INITIALIZER;
                     bool comma = false;

-                    for (j = 0; j < vm->def->blkio.ndevices; j++) {
-                        if (!vm->def->blkio.devices[j].weight)
+                    for (j = 0; j < def->blkio.ndevices; j++) {
+                        if (!def->blkio.devices[j].weight)
                             continue;
                         if (comma)
                             virBufferAddChar(&buf, ',');
                         else
                             comma = true;
                         virBufferAsprintf(&buf, "%s,%u",
-                                          vm->def->blkio.devices[j].path,
-                                          vm->def->blkio.devices[j].weight);
+                                          def->blkio.devices[j].path,
+                                          def->blkio.devices[j].weight);
                     }
                     if (virBufferCheckError(&buf) < 0)
                         goto cleanup;
@@ -9182,20 +9176,20 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
                 break;

             case 2: /* blkiotune.device_read_iops */
-                if (vm->def->blkio.ndevices > 0) {
+                if (def->blkio.ndevices > 0) {
                     virBuffer buf = VIR_BUFFER_INITIALIZER;
                     bool comma = false;

-                    for (j = 0; j < vm->def->blkio.ndevices; j++) {
-                        if (!vm->def->blkio.devices[j].riops)
+                    for (j = 0; j < def->blkio.ndevices; j++) {
+                        if (!def->blkio.devices[j].riops)
                             continue;
                         if (comma)
                             virBufferAddChar(&buf, ',');
                         else
                             comma = true;
                         virBufferAsprintf(&buf, "%s,%u",
-                                          vm->def->blkio.devices[j].path,
-                                          vm->def->blkio.devices[j].riops);
+                                          def->blkio.devices[j].path,
+                                          def->blkio.devices[j].riops);
                     }
                     if (virBufferCheckError(&buf) < 0)
                         goto cleanup;
@@ -9209,20 +9203,20 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
                 break;

             case 3: /* blkiotune.device_write_iops */
-                if (vm->def->blkio.ndevices > 0) {
+                if (def->blkio.ndevices > 0) {
                     virBuffer buf = VIR_BUFFER_INITIALIZER;
                     bool comma = false;

-                    for (j = 0; j < vm->def->blkio.ndevices; j++) {
-                        if (!vm->def->blkio.devices[j].wiops)
+                    for (j = 0; j < def->blkio.ndevices; j++) {
+                        if (!def->blkio.devices[j].wiops)
                             continue;
                         if (comma)
                             virBufferAddChar(&buf, ',');
                         else
                             comma = true;
                         virBufferAsprintf(&buf, "%s,%u",
-                                          vm->def->blkio.devices[j].path,
-                                          vm->def->blkio.devices[j].wiops);
+                                          def->blkio.devices[j].path,
+                                          def->blkio.devices[j].wiops);
                     }
                     if (virBufferCheckError(&buf) < 0)
                         goto cleanup;
@@ -9236,20 +9230,20 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
                 break;

              case 4: /* blkiotune.device_read_bps */
-                if (vm->def->blkio.ndevices > 0) {
+                if (def->blkio.ndevices > 0) {
                     virBuffer buf = VIR_BUFFER_INITIALIZER;
                     bool comma = false;

-                    for (j = 0; j < vm->def->blkio.ndevices; j++) {
-                        if (!vm->def->blkio.devices[j].rbps)
+                    for (j = 0; j < def->blkio.ndevices; j++) {
+                        if (!def->blkio.devices[j].rbps)
                             continue;
                         if (comma)
                             virBufferAddChar(&buf, ',');
                         else
                             comma = true;
                         virBufferAsprintf(&buf, "%s,%llu",
-                                          vm->def->blkio.devices[j].path,
-                                          vm->def->blkio.devices[j].rbps);
+                                          def->blkio.devices[j].path,
+                                          def->blkio.devices[j].rbps);
                     }
                     if (virBufferCheckError(&buf) < 0)
                         goto cleanup;
@@ -9263,20 +9257,20 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
                 break;

              case 5: /* blkiotune.device_write_bps */
-                if (vm->def->blkio.ndevices > 0) {
+                if (def->blkio.ndevices > 0) {
                     virBuffer buf = VIR_BUFFER_INITIALIZER;
                     bool comma = false;

-                    for (j = 0; j < vm->def->blkio.ndevices; j++) {
-                        if (!vm->def->blkio.devices[j].wbps)
+                    for (j = 0; j < def->blkio.ndevices; j++) {
+                        if (!def->blkio.devices[j].wbps)
                             continue;
                         if (comma)
                             virBufferAddChar(&buf, ',');
                         else
                             comma = true;
                         virBufferAsprintf(&buf, "%s,%llu",
-                                          vm->def->blkio.devices[j].path,
-                                          vm->def->blkio.devices[j].wbps);
+                                          def->blkio.devices[j].path,
+                                          def->blkio.devices[j].wbps);
                     }
                     if (virBufferCheckError(&buf) < 0)
                         goto cleanup;
@@ -9295,7 +9289,7 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,
                 /* should not hit here */
             }
         }
-    } else if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
+    } else if (persistentDef) {
         for (i = 0; i < *nparams && i < QEMU_NB_BLKIO_PARAM; i++) {
             virTypedParameterPtr param = &params[i];
             val = 0;
@@ -9486,7 +9480,6 @@ qemuDomainGetBlkioParameters(virDomainPtr dom,

  cleanup:
     virDomainObjEndAPI(&vm);
-    virObjectUnref(caps);
     return ret;
 }

-- 
2.8.2




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