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authorTejun Heo <tj@kernel.org>2010-07-20 16:09:02 -0400
committerTejun Heo <tj@kernel.org>2010-07-23 07:14:49 -0400
commit181a51f6e040d0ac006d6adaf4a031ffa440f41c (patch)
treeed06062b8c606149497dffbb6a6ef0548cc44911 /kernel/slow-work.h
parent6ecd7c2dd9f5dd4f6e8f65c8027159f9c73b0e4c (diff)
slow-work: kill it
slow-work doesn't have any user left. Kill it. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'kernel/slow-work.h')
-rw-r--r--kernel/slow-work.h72
1 files changed, 0 insertions, 72 deletions
diff --git a/kernel/slow-work.h b/kernel/slow-work.h
deleted file mode 100644
index a29ebd1ef41d..000000000000
--- a/kernel/slow-work.h
+++ /dev/null
@@ -1,72 +0,0 @@
1/* Slow work private definitions
2 *
3 * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#define SLOW_WORK_CULL_TIMEOUT (5 * HZ) /* cull threads 5s after running out of
13 * things to do */
14#define SLOW_WORK_OOM_TIMEOUT (5 * HZ) /* can't start new threads for 5s after
15 * OOM */
16
17#define SLOW_WORK_THREAD_LIMIT 255 /* abs maximum number of slow-work threads */
18
19/*
20 * slow-work.c
21 */
22#ifdef CONFIG_SLOW_WORK_DEBUG
23extern struct slow_work *slow_work_execs[];
24extern pid_t slow_work_pids[];
25extern rwlock_t slow_work_execs_lock;
26#endif
27
28extern struct list_head slow_work_queue;
29extern struct list_head vslow_work_queue;
30extern spinlock_t slow_work_queue_lock;
31
32/*
33 * slow-work-debugfs.c
34 */
35#ifdef CONFIG_SLOW_WORK_DEBUG
36extern const struct file_operations slow_work_runqueue_fops;
37
38extern void slow_work_new_thread_desc(struct slow_work *, struct seq_file *);
39#endif
40
41/*
42 * Helper functions
43 */
44static inline void slow_work_set_thread_pid(int id, pid_t pid)
45{
46#ifdef CONFIG_SLOW_WORK_DEBUG
47 slow_work_pids[id] = pid;
48#endif
49}
50
51static inline void slow_work_mark_time(struct slow_work *work)
52{
53#ifdef CONFIG_SLOW_WORK_DEBUG
54 work->mark = CURRENT_TIME;
55#endif
56}
57
58static inline void slow_work_begin_exec(int id, struct slow_work *work)
59{
60#ifdef CONFIG_SLOW_WORK_DEBUG
61 slow_work_execs[id] = work;
62#endif
63}
64
65static inline void slow_work_end_exec(int id, struct slow_work *work)
66{
67#ifdef CONFIG_SLOW_WORK_DEBUG
68 write_lock(&slow_work_execs_lock);
69 slow_work_execs[id] = NULL;
70 write_unlock(&slow_work_execs_lock);
71#endif
72}