Goodbye dm-daemon
--- diff/drivers/md/Makefile	2004-02-18 09:15:51.000000000 +0000
+++ source/drivers/md/Makefile	2004-02-18 14:51:57.000000000 +0000
@@ -3,7 +3,7 @@
 #
 
 dm-mod-objs	:= dm.o dm-table.o dm-target.o dm-linear.o dm-stripe.o \
-		   dm-ioctl.o dm-io.o kcopyd.o dm-daemon.o
+		   dm-ioctl.o dm-io.o kcopyd.o
 dm-snapshot-objs := dm-snap.o dm-exception-store.o
 dm-mirror-objs	:= dm-log.o dm-raid1.o
 dm-multipath-objs := dm-path-selector.o dm-mpath.o
--- diff/drivers/md/dm-daemon.c	2004-02-18 09:08:57.000000000 +0000
+++ source/drivers/md/dm-daemon.c	1970-01-01 01:00:00.000000000 +0100
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2003 Sistina Software
- *
- * This file is released under the LGPL.
- */
-
-#include "dm.h"
-#include "dm-daemon.h"
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/suspend.h>
-#include <linux/completion.h>
-
-static int daemon(void *arg)
-{
-	struct dm_daemon *dd = (struct dm_daemon *) arg;
-	DECLARE_WAITQUEUE(wq, current);
-	jiffy_t timeout;
-
-	daemonize("%s", dd->name);
-
-	atomic_set(&dd->please_die, 0);
-
-	add_wait_queue(&dd->job_queue, &wq);
-
-	complete(&dd->start);
-
-	/*
-	 * dd->fn() could do anything, very likely it will
-	 * suspend.  So we can't set the state to
-	 * TASK_INTERRUPTIBLE before calling it.  In order to
-	 * prevent a race with a waking thread we do this little
-	 * dance with the dd->woken variable.
-	 */
-	while (1) {
-		if (atomic_read(&dd->please_die))
-			goto out;
-
-		if (current->flags & PF_FREEZE)
-			refrigerator(PF_IOTHREAD);
-
-		do {
-			set_current_state(TASK_RUNNING);
-			atomic_set(&dd->woken, 0);
-			timeout = dd->fn();
-			set_current_state(TASK_INTERRUPTIBLE);
-
-		} while (atomic_read(&dd->woken));
-
-		if (timeout)
-			schedule_timeout(timeout);
-		else
-			schedule();
-	}
-
- out:
-	remove_wait_queue(&dd->job_queue, &wq);
-	complete_and_exit(&dd->run, 0);
-}
-
-int dm_daemon_start(struct dm_daemon *dd, const char *name, jiffy_t (*fn)(void))
-{
-	pid_t pid = 0;
-
-	/*
-	 * Initialise the dm_daemon.
-	 */
-	dd->fn = fn;
-	strncpy(dd->name, name, sizeof(dd->name) - 1);
-	init_completion(&dd->start);
-	init_completion(&dd->run);
-	init_waitqueue_head(&dd->job_queue);
-
-	/*
-	 * Start the new thread.
-	 */
-	pid = kernel_thread(daemon, dd, CLONE_KERNEL);
-	if (pid <= 0) {
-		DMERR("Failed to start %s thread", name);
-		return -EAGAIN;
-	}
-
-	/*
-	 * wait for the daemon to up this mutex.
-	 */
-	wait_for_completion(&dd->start);
-
-	return 0;
-}
-
-void dm_daemon_stop(struct dm_daemon *dd)
-{
-	atomic_set(&dd->please_die, 1);
-	dm_daemon_wake(dd);
-	wait_for_completion(&dd->run);
-}
-
-void dm_daemon_wake(struct dm_daemon *dd)
-{
-	atomic_set(&dd->woken, 1);
-	wake_up_interruptible(&dd->job_queue);
-}
-
-EXPORT_SYMBOL(dm_daemon_start);
-EXPORT_SYMBOL(dm_daemon_stop);
-EXPORT_SYMBOL(dm_daemon_wake);
--- diff/drivers/md/dm-daemon.h	2004-02-18 09:08:57.000000000 +0000
+++ source/drivers/md/dm-daemon.h	1970-01-01 01:00:00.000000000 +0100
@@ -1,33 +0,0 @@
-/*
- * Copyright (C) 2003 Sistina Software
- *
- * This file is released under the LGPL.
- */
-
-#ifndef DM_DAEMON_H
-#define DM_DAEMON_H
-
-#include <asm/atomic.h>
-#include <linux/completion.h>
-
-/*
- * The daemons work function returns a *hint* as to when it
- * should next be woken up.
- */
-struct dm_daemon {
-	jiffy_t (*fn)(void);
-	char name[16];
-	atomic_t please_die;
-	struct completion start;
-	struct completion run;
-
-	atomic_t woken;
-	wait_queue_head_t job_queue;
-};
-
-int dm_daemon_start(struct dm_daemon *dd, const char *name, jiffy_t (*fn)(void));
-void dm_daemon_stop(struct dm_daemon *dd);
-void dm_daemon_wake(struct dm_daemon *dd);
-int dm_daemon_running(struct dm_daemon *dd);
-
-#endif