it does not compile, there will be v6.
--
Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
On 12/3/25 15:49, Konstantin Khorenko wrote:
From: Aleksei Oladko <[email protected]>
The new helper returns pid in root pidns of VE.
https://virtuozzo.atlassian.net/browse/VSTOR-119875
Signed-off-by: Aleksei Oladko <[email protected]>
Reviewed-by: Pavel Tikhomirov <[email protected]>
Feature: ve: ve generic structures
---
v4: used task_ve guard helpers
v5:
- ve_ns has been renamed to ve_nsproxy in order not to mess with VE namespace
- use new, bright and shiny __free(put_ve) attribute
- added a comment why we don't check ve returned by get_task_ve() for NULL
---
include/linux/ve.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/include/linux/ve.h b/include/linux/ve.h
index 0fbc4c45525fc..b01c593dad7b9 100644
--- a/include/linux/ve.h
+++ b/include/linux/ve.h
@@ -21,6 +21,7 @@
#include <asm/vdso.h>
#include <linux/time_namespace.h>
#include <linux/binfmts.h>
+#include <linux/pid.h>
struct nsproxy;
struct user_namespace;
@@ -202,6 +203,24 @@ static inline struct ve_struct *css_to_ve(struct
cgroup_subsys_state *css)
extern struct cgroup_subsys_state *ve_get_init_css(struct ve_struct *ve, int subsys_id);
+static inline pid_t task_pid_ve_nr(struct task_struct *tsk)
+{
+ struct nsproxy *ve_nsproxy;
+ struct ve_struct *ve __free(put_ve) = get_task_ve(tsk);
+ pid_t pid;
+
+ rcu_read_lock();
+ /* get_task_ve() always returns non-NULL when CONFIG_VE is enabled */
+ ve_nsproxy = rcu_dereference(ve->ve_nsproxy);
+ if (ve_nsproxy)
+ pid = task_pid_nr_ns(tsk, ve_nsproxy->pid_ns_for_children);
+ else
+ pid = task_pid_nr(tsk);
+ rcu_read_unlock();
+
+ return pid;
+}
+
static inline struct time_namespace *ve_get_time_ns(struct ve_struct *ve)
{
struct nsproxy *ve_nsproxy;
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