libvirt/SOURCES/libvirt-vircgrouptest-call-virCgroupDetectMounts-directly.patch
2021-09-10 11:57:18 +00:00

164 lines
5.5 KiB
Diff

From 094b38a5c13a27f2f48897bd8cf811741a754db7 Mon Sep 17 00:00:00 2001
Message-Id: <094b38a5c13a27f2f48897bd8cf811741a754db7@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:06:19 +0200
Subject: [PATCH] vircgrouptest: call virCgroupDetectMounts directly
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Because we can set which files to return for cgroup tests there
is no need to have special function tailored to run tests.
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit 4988f4b347d3c56af4bdb9852d1461f08f6cfced)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <5b3185e7dd49ac4d9a56532e6d77ad1aa098db95.1561993099.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/libvirt_private.syms | 2 +-
src/util/vircgroup.c | 21 +++++----------------
src/util/vircgrouppriv.h | 4 +---
tests/vircgrouptest.c | 16 ++++++++--------
4 files changed, 15 insertions(+), 28 deletions(-)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index f8c1a0df16..b66beb7f91 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1528,7 +1528,7 @@ virCgroupDelThread;
virCgroupDenyAllDevices;
virCgroupDenyDevice;
virCgroupDenyDevicePath;
-virCgroupDetectMountsFromFile;
+virCgroupDetectMounts;
virCgroupFree;
virCgroupGetBlkioDeviceReadBps;
virCgroupGetBlkioDeviceReadIops;
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index f08fe3600e..53f5faafd2 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -430,9 +430,7 @@ virCgroupMountOptsMatchController(const char *mntOpts,
* mounted and where
*/
int
-virCgroupDetectMountsFromFile(virCgroupPtr group,
- const char *path,
- bool checkLinks)
+virCgroupDetectMounts(virCgroupPtr group)
{
size_t i;
FILE *mounts = NULL;
@@ -440,9 +438,9 @@ virCgroupDetectMountsFromFile(virCgroupPtr group,
char buf[CGROUP_MAX_VAL];
int ret = -1;
- mounts = fopen(path, "r");
+ mounts = fopen("/proc/mounts", "r");
if (mounts == NULL) {
- virReportSystemError(errno, _("Unable to open %s"), path);
+ virReportSystemError(errno, "%s", _("Unable to open /proc/mounts"));
return -1;
}
@@ -470,8 +468,7 @@ virCgroupDetectMountsFromFile(virCgroupPtr group,
/* If it is a co-mount it has a filename like "cpu,cpuacct"
* and we must identify the symlink path */
- if (checkLinks &&
- virCgroupResolveMountLink(entry.mnt_dir, typestr,
+ if (virCgroupResolveMountLink(entry.mnt_dir, typestr,
controller) < 0) {
goto cleanup;
}
@@ -485,12 +482,6 @@ virCgroupDetectMountsFromFile(virCgroupPtr group,
return ret;
}
-static int
-virCgroupDetectMounts(virCgroupPtr group)
-{
- return virCgroupDetectMountsFromFile(group, "/proc/mounts", true);
-}
-
static int
virCgroupCopyPlacement(virCgroupPtr group,
@@ -4090,9 +4081,7 @@ virCgroupAvailable(void)
int
-virCgroupDetectMountsFromFile(virCgroupPtr group ATTRIBUTE_UNUSED,
- const char *path ATTRIBUTE_UNUSED,
- bool checkLinks ATTRIBUTE_UNUSED)
+virCgroupDetectMounts(virCgroupPtr group ATTRIBUTE_UNUSED)
{
virReportSystemError(ENXIO, "%s",
_("Control groups not supported on this platform"));
diff --git a/src/util/vircgrouppriv.h b/src/util/vircgrouppriv.h
index a0034f3889..f78fe8bb9c 100644
--- a/src/util/vircgrouppriv.h
+++ b/src/util/vircgrouppriv.h
@@ -50,9 +50,7 @@ struct _virCgroup {
virCgroupController controllers[VIR_CGROUP_CONTROLLER_LAST];
};
-int virCgroupDetectMountsFromFile(virCgroupPtr group,
- const char *path,
- bool checkLinks);
+int virCgroupDetectMounts(virCgroupPtr group);
int virCgroupNewPartition(const char *path,
bool create,
diff --git a/tests/vircgrouptest.c b/tests/vircgrouptest.c
index 7968903cad..6a38091a86 100644
--- a/tests/vircgrouptest.c
+++ b/tests/vircgrouptest.c
@@ -164,21 +164,21 @@ testCgroupDetectMounts(const void *args)
{
int result = -1;
const char *file = args;
- char *mounts = NULL;
char *parsed = NULL;
const char *actual;
virCgroupPtr group = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
size_t i;
- if (virAsprintf(&mounts, "%s/vircgroupdata/%s.mounts",
- abs_srcdir, file) < 0 ||
- virAsprintf(&parsed, "%s/vircgroupdata/%s.parsed",
- abs_srcdir, file) < 0 ||
- VIR_ALLOC(group) < 0)
+ setenv("VIR_CGROUP_MOCK_FILENAME", file, 1);
+
+ if (virAsprintf(&parsed, "%s/vircgroupdata/%s.parsed", abs_srcdir, file) < 0)
goto cleanup;
- if (virCgroupDetectMountsFromFile(group, mounts, false) < 0)
+ if (VIR_ALLOC(group) < 0)
+ goto cleanup;
+
+ if (virCgroupDetectMounts(group) < 0)
goto cleanup;
for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
@@ -196,7 +196,7 @@ testCgroupDetectMounts(const void *args)
result = 0;
cleanup:
- VIR_FREE(mounts);
+ unsetenv("VIR_CGROUP_MOCK_FILENAME");
VIR_FREE(parsed);
virCgroupFree(&group);
virBufferFreeAndReset(&buf);
--
2.22.0