forked from rpms/libvirt
182 lines
6.1 KiB
Diff
182 lines
6.1 KiB
Diff
From 0528d90148bcacba3fdbaa831ba89e043da94790 Mon Sep 17 00:00:00 2001
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Message-Id: <0528d90148bcacba3fdbaa831ba89e043da94790@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:06:45 +0200
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Subject: [PATCH] vircgroup: extract virCgroupV1(Set|Get)BlkioDeviceReadIops
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit dfaf5c6de1afa04fee1d9d97e79925fcc63682de)
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Conflicts:
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src/util/vircgroup.c - missing commit 34e9c29357
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Message-Id: <52a494fa2de2835abd887d804f4047febc87bb60.1561993100.git.phrdina@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/vircgroup.c | 34 ++-----------------------
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src/util/vircgroupbackend.h | 12 +++++++++
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src/util/vircgroupv1.c | 50 +++++++++++++++++++++++++++++++++++++
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3 files changed, 64 insertions(+), 32 deletions(-)
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diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
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index 83ceb3a9cb..b8cbd95e0c 100644
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--- a/src/util/vircgroup.c
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+++ b/src/util/vircgroup.c
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@@ -1385,19 +1385,7 @@ virCgroupSetBlkioDeviceReadIops(virCgroupPtr group,
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const char *path,
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unsigned int riops)
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{
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- VIR_AUTOFREE(char *) str = NULL;
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- VIR_AUTOFREE(char *) blkstr = NULL;
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-
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- if (!(blkstr = virCgroupGetBlockDevString(path)))
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- return -1;
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-
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- if (virAsprintf(&str, "%s%u", blkstr, riops) < 0)
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- return -1;
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-
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- return virCgroupSetValueStr(group,
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- VIR_CGROUP_CONTROLLER_BLKIO,
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- "blkio.throttle.read_iops_device",
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- str);
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+ VIR_CGROUP_BACKEND_CALL(group, setBlkioDeviceReadIops, -1, path, riops);
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}
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@@ -1517,25 +1505,7 @@ virCgroupGetBlkioDeviceReadIops(virCgroupPtr group,
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const char *path,
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unsigned int *riops)
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{
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- VIR_AUTOFREE(char *) str = NULL;
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-
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- if (virCgroupGetValueForBlkDev(group,
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- VIR_CGROUP_CONTROLLER_BLKIO,
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- "blkio.throttle.read_iops_device",
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- path,
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- &str) < 0)
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- return -1;
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-
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- if (!str) {
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- *riops = 0;
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- } else if (virStrToLong_ui(str, NULL, 10, riops) < 0) {
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- virReportError(VIR_ERR_INTERNAL_ERROR,
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- _("Unable to parse '%s' as an integer"),
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- str);
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- return -1;
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- }
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-
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- return 0;
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+ VIR_CGROUP_BACKEND_CALL(group, getBlkioDeviceReadIops, -1, path, riops);
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}
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/**
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diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
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index aef2a87c61..0b7b4db1a4 100644
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--- a/src/util/vircgroupbackend.h
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+++ b/src/util/vircgroupbackend.h
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@@ -170,6 +170,16 @@ typedef int
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const char *path,
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unsigned int *weight);
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+typedef int
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+(*virCgroupSetBlkioDeviceReadIopsCB)(virCgroupPtr group,
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+ const char *path,
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+ unsigned int riops);
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+
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+typedef int
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+(*virCgroupGetBlkioDeviceReadIopsCB)(virCgroupPtr group,
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+ const char *path,
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+ unsigned int *riops);
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+
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struct _virCgroupBackend {
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virCgroupBackendType type;
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@@ -200,6 +210,8 @@ struct _virCgroupBackend {
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virCgroupGetBlkioIoDeviceServicedCB getBlkioIoDeviceServiced;
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virCgroupSetBlkioDeviceWeightCB setBlkioDeviceWeight;
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virCgroupGetBlkioDeviceWeightCB getBlkioDeviceWeight;
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+ virCgroupSetBlkioDeviceReadIopsCB setBlkioDeviceReadIops;
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+ virCgroupGetBlkioDeviceReadIopsCB getBlkioDeviceReadIops;
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};
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typedef struct _virCgroupBackend virCgroupBackend;
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typedef virCgroupBackend *virCgroupBackendPtr;
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diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
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index 1e5f38a2ee..47b0c13f38 100644
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--- a/src/util/vircgroupv1.c
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+++ b/src/util/vircgroupv1.c
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@@ -1186,6 +1186,54 @@ virCgroupV1GetBlkioDeviceWeight(virCgroupPtr group,
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}
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+static int
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+virCgroupV1SetBlkioDeviceReadIops(virCgroupPtr group,
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+ const char *path,
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+ unsigned int riops)
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+{
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+ VIR_AUTOFREE(char *) str = NULL;
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+ VIR_AUTOFREE(char *) blkstr = NULL;
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+
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+ if (!(blkstr = virCgroupGetBlockDevString(path)))
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+ return -1;
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+
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+ if (virAsprintf(&str, "%s%u", blkstr, riops) < 0)
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+ return -1;
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+
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+ return virCgroupSetValueStr(group,
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+ VIR_CGROUP_CONTROLLER_BLKIO,
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+ "blkio.throttle.read_iops_device",
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+ str);
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+}
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+
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+
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+static int
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+virCgroupV1GetBlkioDeviceReadIops(virCgroupPtr group,
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+ const char *path,
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+ unsigned int *riops)
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+{
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+ VIR_AUTOFREE(char *) str = NULL;
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+
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+ if (virCgroupGetValueForBlkDev(group,
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+ VIR_CGROUP_CONTROLLER_BLKIO,
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+ "blkio.throttle.read_iops_device",
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+ path,
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+ &str) < 0)
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+ return -1;
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+
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+ if (!str) {
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+ *riops = 0;
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+ } else if (virStrToLong_ui(str, NULL, 10, riops) < 0) {
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+ virReportError(VIR_ERR_INTERNAL_ERROR,
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+ _("Unable to parse '%s' as an integer"),
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+ str);
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+ return -1;
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+ }
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+
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+ return 0;
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+}
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+
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+
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virCgroupBackend virCgroupV1Backend = {
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.type = VIR_CGROUP_BACKEND_TYPE_V1,
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@@ -1214,6 +1262,8 @@ virCgroupBackend virCgroupV1Backend = {
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.getBlkioIoDeviceServiced = virCgroupV1GetBlkioIoDeviceServiced,
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.setBlkioDeviceWeight = virCgroupV1SetBlkioDeviceWeight,
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.getBlkioDeviceWeight = virCgroupV1GetBlkioDeviceWeight,
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+ .setBlkioDeviceReadIops = virCgroupV1SetBlkioDeviceReadIops,
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+ .getBlkioDeviceReadIops = virCgroupV1GetBlkioDeviceReadIops,
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};
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--
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2.22.0
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