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qemu: hotplug: Extract common code to qemuDomainAttachDeviceDiskLive

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Target uniqueness check was duplicated in all of the three workers
called from it. Extract it to the parent.
This commit is contained in:
Peter Krempa 2016-02-03 10:09:24 +01:00
parent 43d9a14a21
commit 9e92a0b4c0
1 changed files with 9 additions and 26 deletions
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35
src/qemu/qemu_hotplug.c
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@ -315,7 +315,6 @@ qemuDomainAttachVirtioDiskDevice(virConnectPtr conn,
virDomainObjPtr vm,
virDomainDiskDefPtr disk)
{
size_t i;
int ret = -1;
const char* type = virDomainDiskBusTypeToString(disk->bus);
qemuDomainObjPrivatePtr priv = vm->privateData;
@ -338,14 +337,6 @@ qemuDomainAttachVirtioDiskDevice(virConnectPtr conn,
goto cleanup;
}
for (i = 0; i < vm->def->ndisks; i++) {
if (STREQ(vm->def->disks[i]->dst, disk->dst)) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("target %s already exists"), disk->dst);
goto cleanup;
}
}
if (qemuDomainPrepareDisk(driver, vm, disk, NULL, false) < 0)
goto cleanup;
@ -577,14 +568,6 @@ qemuDomainAttachSCSIDisk(virConnectPtr conn,
int ret = -1;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
for (i = 0; i < vm->def->ndisks; i++) {
if (STREQ(vm->def->disks[i]->dst, disk->dst)) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("target %s already exists"), disk->dst);
goto cleanup;
}
}
if (qemuDomainPrepareDisk(driver, vm, disk, NULL, false) < 0)
goto cleanup;
@ -688,21 +671,12 @@ qemuDomainAttachUSBMassStorageDevice(virConnectPtr conn,
virDomainDiskDefPtr disk)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
size_t i;
int ret = -1;
char *drivestr = NULL;
char *devstr = NULL;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
const char *src = virDomainDiskGetSource(disk);
for (i = 0; i < vm->def->ndisks; i++) {
if (STREQ(vm->def->disks[i]->dst, disk->dst)) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("target %s already exists"), disk->dst);
goto cleanup;
}
}
if (qemuDomainPrepareDisk(driver, vm, disk, NULL, false) < 0)
goto cleanup;
@ -770,6 +744,7 @@ qemuDomainAttachDeviceDiskLive(virConnectPtr conn,
virDomainObjPtr vm,
virDomainDeviceDefPtr dev)
{
size_t i;
virDomainDiskDefPtr disk = dev->data.disk;
virDomainDiskDefPtr orig_disk = NULL;
int ret = -1;
@ -818,6 +793,14 @@ qemuDomainAttachDeviceDiskLive(virConnectPtr conn,
case VIR_DOMAIN_DISK_DEVICE_DISK:
case VIR_DOMAIN_DISK_DEVICE_LUN:
for (i = 0; i < vm->def->ndisks; i++) {
if (STREQ(vm->def->disks[i]->dst, disk->dst)) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("target %s already exists"), disk->dst);
goto cleanup;
}
}
switch ((virDomainDiskBus) disk->bus) {
case VIR_DOMAIN_DISK_BUS_USB:
if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {