[libvirt] [PATCH] Remove qemudDomainSetMaxMemory.

Daniel Veillard veillard at redhat.com
Thu Mar 11 15:39:26 UTC 2010


On Wed, Mar 10, 2010 at 02:18:37PM -0500, Chris Lalancette wrote:
> As previously discussed[1], this patch removes the
> qemudDomainSetMaxMemory() function, since it doesn't
> work.  This means that instead of getting somewhat
> cryptic errors, you will now get:
> 
> error: Unable to change MaxMemorySize
> error: this function is not supported by the hypervisor: virDomainSetMaxMemory
> 
> Which describes the situation perfectly.
> 
> [1] https://www.redhat.com/archives/libvir-list/2010-February/msg00928.html
> 
> Signed-off-by: Chris Lalancette <clalance at redhat.com>
> ---
>  src/qemu/qemu_driver.c |   42 +-----------------------------------------
>  1 files changed, 1 insertions(+), 41 deletions(-)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index c5490b2..6bfae93 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -3816,46 +3816,6 @@ cleanup:
>      return ret;
>  }
>  
> -static int qemudDomainSetMaxMemory(virDomainPtr dom, unsigned long newmax) {
> -    struct qemud_driver *driver = dom->conn->privateData;
> -    virDomainObjPtr vm;
> -    int ret = -1;
> -
> -    qemuDriverLock(driver);
> -    vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> -    qemuDriverUnlock(driver);
> -
> -    if (!vm) {
> -        char uuidstr[VIR_UUID_STRING_BUFLEN];
> -        virUUIDFormat(dom->uuid, uuidstr);
> -        qemuReportError(VIR_ERR_NO_DOMAIN,
> -                        _("no domain with matching uuid '%s'"), uuidstr);
> -        goto cleanup;
> -    }
> -
> -    if (!virDomainObjIsActive(vm)) {
> -        qemuReportError(VIR_ERR_OPERATION_INVALID,
> -                        "%s", _("domain is not running"));
> -        goto cleanup;
> -    }
> -
> -    if (newmax < vm->def->memory) {
> -        qemuReportError(VIR_ERR_INVALID_ARG, "%s",
> -                        _("cannot set max memory lower than current memory"));
> -        goto cleanup;
> -    }
> -
> -    /* There isn't any way to change this value for a running qemu guest */
> -    qemuReportError(VIR_ERR_NO_SUPPORT,
> -                    "%s", _("cannot set max memory of an active domain"));
> -
> -cleanup:
> -    if (vm)
> -        virDomainObjUnlock(vm);
> -    return ret;
> -}
> -
> -
>  static int qemudDomainSetMemory(virDomainPtr dom, unsigned long newmem) {
>      struct qemud_driver *driver = dom->conn->privateData;
>      qemuDomainObjPrivatePtr priv;
> @@ -9506,7 +9466,7 @@ static virDriver qemuDriver = {
>      qemudDomainDestroy, /* domainDestroy */
>      qemudDomainGetOSType, /* domainGetOSType */
>      qemudDomainGetMaxMemory, /* domainGetMaxMemory */
> -    qemudDomainSetMaxMemory, /* domainSetMaxMemory */
> +    NULL, /* domainSetMaxMemory */
>      qemudDomainSetMemory, /* domainSetMemory */
>      qemudDomainGetInfo, /* domainGetInfo */
>      qemudDomainSave, /* domainSave */

  ACK,

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel at veillard.com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/




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