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lxc: Synchronize implementation of qemuDomainSetMemoryParameters

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The impls are identical and I don't have a reasonable idea where to
extract it.

This also kills yet another use of virDomainLiveConfigHelperMethod.
This commit is contained in:
Peter Krempa 2016-07-01 16:01:26 +02:00
parent bcdbab891b
commit fcc3ccf3cd
2 changed files with 27 additions and 27 deletions
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52
src/lxc/lxc_driver.c
View File

@ -803,7 +803,7 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
int nparams,
unsigned int flags)
{
virCapsPtr caps = NULL;
virDomainDefPtr def = NULL;
virDomainDefPtr persistentDef = NULL;
virDomainObjPtr vm = NULL;
virLXCDomainObjPrivatePtr priv = NULL;
@ -837,21 +837,20 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
priv = vm->privateData;
cfg = virLXCDriverGetConfig(driver);
if (virDomainSetMemoryParametersEnsureACL(dom->conn, vm->def, flags) < 0 ||
!(caps = virLXCDriverGetCapabilities(driver, false)))
if (virDomainSetMemoryParametersEnsureACL(dom->conn, vm->def, flags) < 0)
goto cleanup;
if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
goto cleanup;
if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt,
vm, &flags, &persistentDef) < 0)
/* QEMU and LXC implementation are identical */
if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
goto endjob;
if (flags & VIR_DOMAIN_AFFECT_LIVE &&
if (def &&
!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_MEMORY)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("cgroup memory controller is not mounted"));
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("cgroup memory controller is not mounted"));
goto endjob;
}
@ -868,8 +867,7 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
#undef VIR_GET_LIMIT_PARAMETER
/* Swap hard limit must be greater than hard limit.
* Note that limit of 0 denotes unlimited */
/* Swap hard limit must be greater than hard limit. */
if (set_swap_hard_limit || set_hard_limit) {
unsigned long long mem_limit = vm->def->mem.hard_limit;
unsigned long long swap_limit = vm->def->mem.swap_hard_limit;
@ -888,42 +886,43 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
}
}
#define LXC_SET_MEM_PARAMETER(FUNC, VALUE) \
#define VIR_SET_MEM_PARAMETER(FUNC, VALUE) \
if (set_ ## VALUE) { \
if (flags & VIR_DOMAIN_AFFECT_LIVE) { \
if ((rc = FUNC(priv->cgroup, VALUE)) < 0) { \
virReportSystemError(-rc, _("unable to set memory %s tunable"), \
#VALUE); \
\
if (def) { \
if ((rc = FUNC(priv->cgroup, VALUE)) < 0) \
goto endjob; \
} \
vm->def->mem.VALUE = VALUE; \
def->mem.VALUE = VALUE; \
} \
\
if (flags & VIR_DOMAIN_AFFECT_CONFIG) \
if (persistentDef) \
persistentDef->mem.VALUE = VALUE; \
}
/* Soft limit doesn't clash with the others */
LXC_SET_MEM_PARAMETER(virCgroupSetMemorySoftLimit, soft_limit);
VIR_SET_MEM_PARAMETER(virCgroupSetMemorySoftLimit, soft_limit);
/* set hard limit before swap hard limit if decreasing it */
if (vm->def->mem.hard_limit > hard_limit) {
LXC_SET_MEM_PARAMETER(virCgroupSetMemoryHardLimit, hard_limit);
if (def && def->mem.hard_limit > hard_limit) {
VIR_SET_MEM_PARAMETER(virCgroupSetMemoryHardLimit, hard_limit);
/* inhibit changing the limit a second time */
set_hard_limit = false;
}
LXC_SET_MEM_PARAMETER(virCgroupSetMemSwapHardLimit, swap_hard_limit);
VIR_SET_MEM_PARAMETER(virCgroupSetMemSwapHardLimit, swap_hard_limit);
/* otherwise increase it after swap hard limit */
LXC_SET_MEM_PARAMETER(virCgroupSetMemoryHardLimit, hard_limit);
VIR_SET_MEM_PARAMETER(virCgroupSetMemoryHardLimit, hard_limit);
#undef LXC_SET_MEM_PARAMETER
#undef VIR_SET_MEM_PARAMETER
if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
if (def &&
virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0)
goto endjob;
if (persistentDef &&
virDomainSaveConfig(cfg->configDir, driver->caps, persistentDef) < 0)
goto endjob;
/* QEMU and LXC implementations are identical */
ret = 0;
@ -932,7 +931,6 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
cleanup:
virDomainObjEndAPI(&vm);
virObjectUnref(caps);
virObjectUnref(cfg);
return ret;
}

2
src/qemu/qemu_driver.c
View File

@ -9134,6 +9134,7 @@ qemuDomainSetMemoryParameters(virDomainPtr dom,
if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
goto cleanup;
/* QEMU and LXC implementation are identical */
if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
goto endjob;
@ -9212,6 +9213,7 @@ qemuDomainSetMemoryParameters(virDomainPtr dom,
if (persistentDef &&
virDomainSaveConfig(cfg->configDir, driver->caps, persistentDef) < 0)
goto endjob;
/* QEMU and LXC implementations are identical */
ret = 0;