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proc: simplify and correct proc_flush_task 

Currently we special case when we have only the initial pid namespace.
Unfortunately in doing so the copied case for the other namespaces was
broken so we don't properly flush the thread directories :(

So this patch removes the unnecessary special case (removing a usage of
proc_mnt) and corrects the flushing of the thread directories.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Kirill Korotaev <dev@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Eric W. Biederman 2007-11-14 17:00:07 -08:00 committed by Linus Torvalds
parent c0f2a9d75a
commit 9fcc2d15b1
1 changed files with 6 additions and 9 deletions
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15
fs/proc/base.c
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@ -2328,21 +2328,18 @@ out:
void proc_flush_task(struct task_struct *task)
{
int i, leader;
struct pid *pid, *tgid;
int i;
struct pid *pid, *tgid = NULL;
struct upid *upid;
leader = thread_group_leader(task);
proc_flush_task_mnt(proc_mnt, task->pid, leader ? task->tgid : 0);
pid = task_pid(task);
if (pid->level == 0)
return;
if (thread_group_leader(task))
tgid = task_tgid(task);
tgid = task_tgid(task);
for (i = 1; i <= pid->level; i++) {
for (i = 0; i <= pid->level; i++) {
upid = &pid->numbers[i];
proc_flush_task_mnt(upid->ns->proc_mnt, upid->nr,
leader ? 0 : tgid->numbers[i].nr);
tgid ? tgid->numbers[i].nr : 0);
}
upid = &pid->numbers[pid->level];