Blame SOURCES/libvirt-vircgroup-Use-virCgroupMountOptsMatchController-in-virCgroupDetectPlacement.patch

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From dc8f41bf6bb689d86bc91d5aca7fb854a5ef847f Mon Sep 17 00:00:00 2001
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Message-Id: <dc8f41bf6bb689d86bc91d5aca7fb854a5ef847f@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:05:57 +0200
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Subject: [PATCH] vircgroup: Use virCgroupMountOptsMatchController in
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 virCgroupDetectPlacement
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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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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit 801d95d2597572612c346508446320a33aebc50d)
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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: <9c2bb230e14ced391b0731bc2964155960025aa5.1561993099.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 | 43 ++++++++++++++-----------------------------
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 1 file changed, 14 insertions(+), 29 deletions(-)
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diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
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index ec9994780a..7888dab716 100644
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--- a/src/util/vircgroup.c
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+++ b/src/util/vircgroup.c
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@@ -598,42 +598,27 @@ virCgroupDetectPlacement(virCgroupPtr group,
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         for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
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             const char *typestr = virCgroupControllerTypeToString(i);
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-            int typelen = strlen(typestr);
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-            char *tmp = controllers;
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-
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-            while (tmp) {
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-                char *next = strchr(tmp, ',');
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-                int len;
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-                if (next) {
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-                    len = next - tmp;
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-                    next++;
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-                } else {
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-                    len = strlen(tmp);
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-                }
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+            if (virCgroupMountOptsMatchController(controllers, typestr) &&
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+                group->controllers[i].mountPoint != NULL &&
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+                group->controllers[i].placement == NULL) {
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                 /*
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                  * selfpath == "/" + path="" -> "/"
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                  * selfpath == "/libvirt.service" + path == "" -> "/libvirt.service"
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                  * selfpath == "/libvirt.service" + path == "foo" -> "/libvirt.service/foo"
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                  */
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-                if (typelen == len && STREQLEN(typestr, tmp, len) &&
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-                    group->controllers[i].mountPoint != NULL &&
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-                    group->controllers[i].placement == NULL) {
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-                    if (i == VIR_CGROUP_CONTROLLER_SYSTEMD) {
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-                        if (VIR_STRDUP(group->controllers[i].placement,
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-                                       selfpath) < 0)
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-                            goto cleanup;
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-                    } else {
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-                        if (virAsprintf(&group->controllers[i].placement,
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-                                        "%s%s%s", selfpath,
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-                                        (STREQ(selfpath, "/") ||
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-                                         STREQ(path, "") ? "" : "/"),
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-                                        path) < 0)
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-                            goto cleanup;
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-                    }
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+                if (i == VIR_CGROUP_CONTROLLER_SYSTEMD) {
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+                    if (VIR_STRDUP(group->controllers[i].placement,
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+                                   selfpath) < 0)
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+                        goto cleanup;
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+                } else {
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+                    if (virAsprintf(&group->controllers[i].placement,
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+                                    "%s%s%s", selfpath,
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+                                    (STREQ(selfpath, "/") ||
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+                                     STREQ(path, "") ? "" : "/"),
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+                                    path) < 0)
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+                        goto cleanup;
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                 }
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-
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-                tmp = next;
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             }
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         }
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     }
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-- 
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2.22.0
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