linux-kernel - [PATCH 0/12] tty layer and misc struct pid conversions

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Date:	Wed, 13 Dec 2006 04:03:39 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Andrew Morton <akpm@...l.org>
CC:	Linux Containers <containers@...ts.osdl.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 0/12] tty layer and misc struct pid conversions

The aim of this patch set is to start wrapping up the struct pid
conversions.  As such this patchset culminates with the removal
of kill_pg, kill_pg_info, __kill_pg_info, do_each_task_pid, and
while_each_task_pid.

kill_proc, daemonize, and kernel_thread are still in my sights but
there is still work to get to them.

The first three are basic cleanups around disassociate_ctty,
while working on converting it I found several issues.  tty_old_pgrp
can be a tricky concept to wrap your head around.

 1 tty: Make __proc_set_tty static.
 2 tty: Clarify disassociate_ctty
 3 tty: Fix the locking for signal->session in disassociate_ctty

These just stop using the old helper functions.

 4 signal: Use kill_pgrp not kill_pg in the sunos compatibility code.
 5 signal: Rewrite kill_something_info so it uses newer helpers.

Then the grind to convert the tty layer and all of it's helper
functions to struct pid.

 6 pid: Make session_of_pgrp use struct pid instead of pid_t.
 7 pid: Use struct pid for talking about process groups in exit.c
 8 pid: Replace is_orphaned_pgrp with is_current_pgrp_orphaned
 9 tty: Update the tty layer to work with struct pid.

A final helper function update.

10 pid: Replace do/while_each_task_pid with do/while_each_pid_task

And the removal of the functions that are now unused.
11 pid: Remove now unused do_each_task_pid and while_each_task_pid
12 pid: Remove the now unused kill_pg kill_pg_info and __kill_pg_info

All of these should be fairly simple and to the point.

Eric
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