Re: [libvirt] [PATCH 13/16] LXC from native: add lxc.cgroup.blkio.* mapping

--- src/lxc/lxc_native.c | 44 ++++++++++++++++++++++ tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config | 9 +++++ tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml | 44 ++++++++++++++++++++++ tests/lxcconf2xmltest.c | 1 + 4 files changed, 98 insertions(+) create mode 100644 tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config create mode 100644 tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml diff --git a/src/lxc/lxc_native.c b/src/lxc/lxc_native.c index 635eb89..75e05a5 100644 --- a/src/lxc/lxc_native.c +++ b/src/lxc/lxc_native.c @@ -835,6 +835,46 @@ lxcSetCpusetTune(virDomainDefPtr def, virPropertiesPtr properties) return 0; } +static int +lxcSetBlkioTune(virDomainDefPtr def, virPropertiesPtr properties) +{ + char *value; + char **parts; + virBlkioDevicePtr device = NULL; + + if ((value = virPropertiesLookup(properties, "lxc.cgroup.blkio.weight")) && + virStrToLong_ui(value, NULL, 10, &def->blkio.weight) < 0) + return -1; + + value = virPropertiesLookup(properties, "lxc.cgroup.blkio.device_weight"); + while (value) { + if (!(parts = lxcStringSplit(value))) + return -1; + + if (!parts[0] || !parts[1]) + goto error; + + if (VIR_EXPAND_N(def->blkio.devices, def->blkio.ndevices, 1) < 0) + goto error; + device = &def->blkio.devices[def->blkio.ndevices - 1]; + + if (virAsprintf(&device->path, "/dev/block/%s", parts[0]) < 0) + goto error; + + if (virStrToLong_ui(parts[1], NULL, 10, &device->weight) < 0) + goto error;