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LXC: blkio: allow to setup weight_device

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libivrt lxc can only set generic weight for container,
This patch allows user to setup per device blkio
weigh for container.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
This commit is contained in:
Gao feng 2013-07-03 12:35:54 +01:00 committed by Daniel P. Berrange
parent e7b3349f5a
commit 350fd95f40
1 changed files with 20 additions and 6 deletions
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26
src/lxc/lxc_cgroup.c
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@ -123,21 +123,35 @@ cleanup:
static int virLXCCgroupSetupBlkioTune(virDomainDefPtr def, static int virLXCCgroupSetupBlkioTune(virDomainDefPtr def,
virCgroupPtr cgroup) virCgroupPtr cgroup)
{ {
int ret = -1; int i, rc;
if (def->blkio.weight) { if (def->blkio.weight) {
int rc = virCgroupSetBlkioWeight(cgroup, def->blkio.weight); rc = virCgroupSetBlkioWeight(cgroup, def->blkio.weight);
if (rc != 0) { if (rc != 0) {
virReportSystemError(-rc, virReportSystemError(-rc,
_("Unable to set Blkio weight for domain %s"), _("Unable to set Blkio weight for domain %s"),
def->name); def->name);
goto cleanup; return -1;
} }
} }
ret = 0; if (def->blkio.ndevices) {
cleanup: for (i = 0; i < def->blkio.ndevices; i++) {
return ret; virBlkioDeviceWeightPtr dw = &def->blkio.devices[i];
if (!dw->weight)
continue;
rc = virCgroupSetBlkioDeviceWeight(cgroup, dw->path, dw->weight);
if (rc != 0) {
virReportSystemError(-rc,
_("Unable to set io device weight "
"for domain %s"),
def->name);
return -1;
}
}
}
return 0;
} }