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qemu: Rename qemuProcessBuildDestroyHugepagesPath

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At the same time, move its internals into a separate function so
that they can be reused.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Michal Privoznik 2017-11-07 15:19:43 +01:00
parent d52e6043bc
commit eff2b2edb1
3 changed files with 50 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/qemu/qemu_hotplug.c
View File

@ -2077,7 +2077,7 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
priv->qemuCaps, vm->def, mem, NULL, true) < 0)
goto cleanup;
if (qemuProcessBuildDestroyHugepagesPath(driver, vm, mem, true) < 0)
if (qemuProcessBuildDestroyMemoryPaths(driver, vm, mem, true) < 0)
goto cleanup;
if (qemuDomainNamespaceSetupMemory(driver, vm, mem) < 0)

68
src/qemu/qemu_process.c
View File

@ -3324,8 +3324,42 @@ qemuProcessNeedHugepagesPath(virDomainDefPtr def,
}
static int
qemuProcessBuildDestroyMemoryPathsImpl(virQEMUDriverPtr driver,
virDomainDefPtr def,
const char *path,
bool build)
{
if (build) {
if (virFileExists(path))
return 0;
if (virFileMakePathWithMode(path, 0700) < 0) {
virReportSystemError(errno,
_("Unable to create %s"),
path);
return -1;
}
if (qemuSecurityDomainSetPathLabel(driver->securityManager,
def, path) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unable to label %s"), path);
return -1;
}
} else {
if (rmdir(path) < 0 &&
errno != ENOENT)
VIR_WARN("Unable to remove hugepage path: %s (errno=%d)",
path, errno);
}
return 0;
}
int
qemuProcessBuildDestroyHugepagesPath(virQEMUDriverPtr driver,
qemuProcessBuildDestroyMemoryPaths(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virDomainMemoryDefPtr mem,
bool build)
@ -3347,31 +3381,11 @@ qemuProcessBuildDestroyHugepagesPath(virQEMUDriverPtr driver,
if (!hugepagePath)
goto cleanup;
if (build) {
if (virFileExists(hugepagePath)) {
ret = 0;
if (qemuProcessBuildDestroyMemoryPathsImpl(driver, vm->def,
hugepagePath, build) < 0)
goto cleanup;
}
if (virFileMakePathWithMode(hugepagePath, 0700) < 0) {
virReportSystemError(errno,
_("Unable to create %s"),
hugepagePath);
goto cleanup;
}
if (qemuSecurityDomainSetPathLabel(driver->securityManager,
vm->def, hugepagePath) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Unable to set huge path in security driver"));
goto cleanup;
}
} else {
if (rmdir(hugepagePath) < 0 &&
errno != ENOENT)
VIR_WARN("Unable to remove hugepage path: %s (errno=%d)",
hugepagePath, errno);
}
VIR_FREE(hugepagePath);
}
}
@ -5550,7 +5564,7 @@ qemuProcessPrepareHost(virQEMUDriverPtr driver,
NULL) < 0)
goto cleanup;
if (qemuProcessBuildDestroyHugepagesPath(driver, vm, NULL, true) < 0)
if (qemuProcessBuildDestroyMemoryPaths(driver, vm, NULL, true) < 0)
goto cleanup;
/* Ensure no historical cgroup for this VM is lying around bogus
@ -6254,7 +6268,7 @@ void qemuProcessStop(virQEMUDriverPtr driver,
goto endjob;
}
qemuProcessBuildDestroyHugepagesPath(driver, vm, NULL, false);
qemuProcessBuildDestroyMemoryPaths(driver, vm, NULL, false);
vm->def->id = -1;
@ -7112,7 +7126,7 @@ qemuProcessReconnect(void *opaque)
goto cleanup;
}
if (qemuProcessBuildDestroyHugepagesPath(driver, obj, NULL, true) < 0)
if (qemuProcessBuildDestroyMemoryPaths(driver, obj, NULL, true) < 0)
goto error;
if ((qemuDomainAssignAddresses(obj->def, priv->qemuCaps,

2
src/qemu/qemu_process.h
View File

@ -38,7 +38,7 @@ int qemuProcessStopCPUs(virQEMUDriverPtr driver,
virDomainPausedReason reason,
qemuDomainAsyncJob asyncJob);
int qemuProcessBuildDestroyHugepagesPath(virQEMUDriverPtr driver,
int qemuProcessBuildDestroyMemoryPaths(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virDomainMemoryDefPtr mem,
bool build);