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Introduce qemuDomainNamespaceUnlinkPaths

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Split out the logic of unlinking devices from
qemuDomainNamespaceTeardownHostdev for reuse in other functions.
This commit is contained in:
Ján Tomko 2017-11-15 17:52:27 +01:00
parent 323b9f72ef
commit 7a931a4204
1 changed files with 40 additions and 16 deletions
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56
src/qemu/qemu_domain.c
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@ -9981,6 +9981,43 @@ qemuDomainNamespaceMknodPath(virDomainObjPtr vm,
} }
static int
qemuDomainNamespaceUnlinkPaths(virDomainObjPtr vm,
const char **paths,
size_t npaths)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
virQEMUDriverPtr driver = priv->driver;
virQEMUDriverConfigPtr cfg;
char **devMountsPath = NULL;
size_t ndevMountsPath = 0;
size_t i;
int ret = -1;
if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))
return 0;
cfg = virQEMUDriverGetConfig(driver);
if (qemuDomainGetPreservedMounts(cfg, vm,
&devMountsPath, NULL,
&ndevMountsPath) < 0)
goto cleanup;
for (i = 0; i < npaths; i++) {
if (qemuDomainDetachDeviceUnlink(driver, vm, paths[i],
devMountsPath, ndevMountsPath) < 0)
goto cleanup;
}
cleanup:
virStringListFreeCount(devMountsPath, ndevMountsPath);
virObjectUnref(cfg);
return ret;
}
int int
qemuDomainNamespaceSetupDisk(virQEMUDriverPtr driver ATTRIBUTE_UNUSED, qemuDomainNamespaceSetupDisk(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm, virDomainObjPtr vm,
@ -10058,13 +10095,10 @@ qemuDomainNamespaceSetupHostdev(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
int int
qemuDomainNamespaceTeardownHostdev(virQEMUDriverPtr driver, qemuDomainNamespaceTeardownHostdev(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm, virDomainObjPtr vm,
virDomainHostdevDefPtr hostdev) virDomainHostdevDefPtr hostdev)
{ {
virQEMUDriverConfigPtr cfg = NULL;
char **devMountsPath = NULL;
size_t ndevMountsPath = 0;
int ret = -1; int ret = -1;
char **paths = NULL; char **paths = NULL;
size_t i, npaths = 0; size_t i, npaths = 0;
@ -10076,25 +10110,15 @@ qemuDomainNamespaceTeardownHostdev(virQEMUDriverPtr driver,
&npaths, &paths, NULL) < 0) &npaths, &paths, NULL) < 0)
goto cleanup; goto cleanup;
cfg = virQEMUDriverGetConfig(driver); if (npaths != 0 &&
if (qemuDomainGetPreservedMounts(cfg, vm, qemuDomainNamespaceUnlinkPaths(vm, (const char **)paths, npaths) < 0)
&devMountsPath, NULL,
&ndevMountsPath) < 0)
goto cleanup; goto cleanup;
for (i = 0; i < npaths; i++) {
if (qemuDomainDetachDeviceUnlink(driver, vm, paths[i],
devMountsPath, ndevMountsPath) < 0)
goto cleanup;
}
ret = 0; ret = 0;
cleanup: cleanup:
for (i = 0; i < npaths; i++) for (i = 0; i < npaths; i++)
VIR_FREE(paths[i]); VIR_FREE(paths[i]);
VIR_FREE(paths); VIR_FREE(paths);
virStringListFreeCount(devMountsPath, ndevMountsPath);
virObjectUnref(cfg);
return ret; return ret;
} }