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qemu: Prepare chardevs when starting a domain

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When starting a domain and separate mount namespace is used, we
have to create all the /dev entries that are configured for the
domain.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-11-15 15:17:05 +01:00
parent 73267cec46
commit 4e4451019c
1 changed files with 35 additions and 0 deletions
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35
src/qemu/qemu_domain.c
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@ -7114,6 +7114,38 @@ qemuDomainSetupAllHostdevs(virQEMUDriverPtr driver,
}
static int
qemuDomainSetupChardev(virDomainDefPtr def ATTRIBUTE_UNUSED,
virDomainChrDefPtr dev,
void *opaque)
{
const char *devPath = opaque;
if (dev->source->type != VIR_DOMAIN_CHR_TYPE_DEV)
return 0;
return qemuDomainCreateDevice(dev->source->data.file.path, devPath, false);
}
static int
qemuDomainSetupAllChardevs(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm,
const char *devPath)
{
VIR_DEBUG("Setting up chardevs");
if (virDomainChrDefForeach(vm->def,
true,
qemuDomainSetupChardev,
(void *) devPath) < 0)
return -1;
VIR_DEBUG("Setup all chardevs");
return 0;
}
int
qemuDomainBuildNamespace(virQEMUDriverPtr driver,
virDomainObjPtr vm)
@ -7158,6 +7190,9 @@ qemuDomainBuildNamespace(virQEMUDriverPtr driver,
if (qemuDomainSetupAllHostdevs(driver, vm, devPath) < 0)
goto cleanup;
if (qemuDomainSetupAllChardevs(driver, vm, devPath) < 0)
goto cleanup;
if (mount(devPath, "/dev", NULL, mount_flags, NULL) < 0) {
virReportSystemError(errno,
_("Failed to mount %s on /dev"),