/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
+ * of the GNU General Public License version 2.
*/
#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/gfs2_ondisk.h>
-#include <asm/semaphore.h>
+#include <linux/lm_interface.h>
#include "gfs2.h"
-#include "lm_interface.h"
#include "incore.h"
#include "daemon.h"
#include "glock.h"
#include "quota.h"
#include "recovery.h"
#include "super.h"
-#include "unlinked.h"
#include "util.h"
/* This uses schedule_timeout() instead of msleep() because it's good for
the daemons to wake up more often than the timeout when unmounting so
the user's unmount doesn't sit there forever.
-
+
The kthread functions used to start these daemons block and flush signals. */
/**
int gfs2_scand(void *data)
{
- struct gfs2_sbd *sdp = (struct gfs2_sbd *)data;
+ struct gfs2_sbd *sdp = data;
unsigned long t;
while (!kthread_should_stop()) {
int gfs2_glockd(void *data)
{
- struct gfs2_sbd *sdp = (struct gfs2_sbd *)data;
- DECLARE_WAITQUEUE(wait_chan, current);
+ struct gfs2_sbd *sdp = data;
while (!kthread_should_stop()) {
while (atomic_read(&sdp->sd_reclaim_count))
gfs2_reclaim_glock(sdp);
- set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue(&sdp->sd_reclaim_wq, &wait_chan);
- if (!atomic_read(&sdp->sd_reclaim_count) &&
- !kthread_should_stop())
- schedule();
- remove_wait_queue(&sdp->sd_reclaim_wq, &wait_chan);
- set_current_state(TASK_RUNNING);
+ wait_event_interruptible(sdp->sd_reclaim_wq,
+ (atomic_read(&sdp->sd_reclaim_count) ||
+ kthread_should_stop()));
}
return 0;
int gfs2_recoverd(void *data)
{
- struct gfs2_sbd *sdp = (struct gfs2_sbd *)data;
+ struct gfs2_sbd *sdp = data;
unsigned long t;
while (!kthread_should_stop()) {
int gfs2_logd(void *data)
{
- struct gfs2_sbd *sdp = (struct gfs2_sbd *)data;
+ struct gfs2_sbd *sdp = data;
struct gfs2_holder ji_gh;
unsigned long t;
+ int need_flush;
while (!kthread_should_stop()) {
/* Advance the log tail */
gfs2_tune_get(sdp, gt_log_flush_secs) * HZ;
gfs2_ail1_empty(sdp, DIO_ALL);
-
- if (time_after_eq(jiffies, t)) {
- gfs2_log_flush(sdp);
+ gfs2_log_lock(sdp);
+ need_flush = sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks);
+ gfs2_log_unlock(sdp);
+ if (need_flush || time_after_eq(jiffies, t)) {
+ gfs2_log_flush(sdp, NULL);
sdp->sd_log_flush_time = jiffies;
}
int gfs2_quotad(void *data)
{
- struct gfs2_sbd *sdp = (struct gfs2_sbd *)data;
+ struct gfs2_sbd *sdp = data;
unsigned long t;
int error;
return 0;
}
-/**
- * gfs2_inoded - Deallocate unlinked inodes
- * @sdp: Pointer to GFS2 superblock
- *
- */
-
-int gfs2_inoded(void *data)
-{
- struct gfs2_sbd *sdp = (struct gfs2_sbd *)data;
- unsigned long t;
- int error;
-
- while (!kthread_should_stop()) {
- error = gfs2_unlinked_dealloc(sdp);
- if (error &&
- error != -EROFS &&
- !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
- fs_err(sdp, "inoded: error = %d\n", error);
-
- t = gfs2_tune_get(sdp, gt_inoded_secs) * HZ;
- schedule_timeout_interruptible(t);
- }
-
- return 0;
-}
-