diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 51a400ba59..fcb02c21b1 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -1922,6 +1922,7 @@ virCgroupGetCpuShares; virCgroupGetDevicePermsString; virCgroupGetDomainTotalCpuStats; virCgroupGetFreezerState; +virCgroupGetInode; virCgroupGetMemoryHardLimit; virCgroupGetMemorySoftLimit; virCgroupGetMemoryStat; diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c index 1b3b28342e..4c9445340e 100644 --- a/src/util/vircgroup.c +++ b/src/util/vircgroup.c @@ -3973,3 +3973,34 @@ virCgroupGetCpuPeriodQuota(virCgroup *cgroup, unsigned long long *period, return 0; } + + +/** + * virCgroupGetInode: + * + * @cgroup: the cgroup to get inode for + * + * Get the @cgroup inode and return its value to the caller. + * + * Returns inode on success, -1 on error with error message reported. + */ +int +virCgroupGetInode(virCgroup *cgroup) +{ + struct stat st; + int controller = virCgroupGetAnyController(cgroup); + g_autofree char *path = NULL; + + if (controller < 0) + return -1; + + if (virCgroupPathOfController(cgroup, controller, "", &path) < 0) + return -1; + + if (stat(path, &st) < 0) { + virReportSystemError(errno, _("failed to get stat for '%s'"), path); + return -1; + } + + return st.st_ino; +} diff --git a/src/util/vircgroup.h b/src/util/vircgroup.h index 8002cac570..690f09465c 100644 --- a/src/util/vircgroup.h +++ b/src/util/vircgroup.h @@ -283,3 +283,5 @@ int virCgroupSetOwner(virCgroup *cgroup, int virCgroupHasEmptyTasks(virCgroup *cgroup, int controller); bool virCgroupControllerAvailable(int controller); + +int virCgroupGetInode(virCgroup *cgroup);