[libvirt] [PATCH 03/10] qemu: Add/remove the shared disk entry during domain's lifecyle

Lifecyle here only means starting and shutdown. --- src/qemu/qemu_process.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index d4dad1f..2a60741 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -3700,6 +3700,13 @@ int qemuProcessStart(virConnectPtr conn, for (i = 0; i < vm->def->ndisks; i++) { if (vm->def->disks[i]->rawio == 1) virCommandAllowCap(cmd, CAP_SYS_RAWIO); + + if (vm->def->disks[i]->shared && + (qemuSharedDiskListAdd(driver->sharedDisks, + vm->def->disks[i]->src, + vm->def->name) < 0)) { + goto cleanup; + } } virCommandSetPreExecHook(cmd, qemuProcessHook, &hookData); @@ -4092,6 +4099,19 @@ void qemuProcessStop(virQEMUDriverPtr driver, flags & VIR_QEMU_PROCESS_STOP_MIGRATED); virSecurityManagerReleaseLabel(driver->securityManager, vm->def); + /* Remove the shared disk entry from qemud_driver->sharedDisks */ + for (i = 0; i < vm->def->ndisks; i++) { + if (vm->def->disks[i]->shared && + (qemuSharedDiskListDel(driver->sharedDisks, + vm->def->disks[i]->src, + vm->def->name) < 0)) { + VIR_WARN("Unable to remove shared disk entry for " + "disk = '%s', domain = '%s'", + vm->def->disks[i]->src, + vm->def->name); + } + } + /* Clear out dynamically assigned labels */ for (i = 0; i < vm->def->nseclabels; i++) { if (vm->def->seclabels[i]->type == VIR_DOMAIN_SECLABEL_DYNAMIC) { -- 1.7.1