diff options
Diffstat (limited to 'fs/gfs2/daemon.c')
-rw-r--r-- | fs/gfs2/daemon.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c deleted file mode 100644 index e51991947d2..00000000000 --- a/fs/gfs2/daemon.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 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 version 2. - */ - -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/completion.h> -#include <linux/buffer_head.h> -#include <linux/kthread.h> -#include <linux/delay.h> -#include <linux/gfs2_ondisk.h> -#include <linux/lm_interface.h> -#include <linux/freezer.h> - -#include "gfs2.h" -#include "incore.h" -#include "daemon.h" -#include "glock.h" -#include "log.h" -#include "quota.h" -#include "recovery.h" -#include "super.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. */ - -/** - * gfs2_glockd - Reclaim unused glock structures - * @sdp: Pointer to GFS2 superblock - * - * One or more of these daemons run, reclaiming glocks on sd_reclaim_list. - * Number of daemons can be set by user, with num_glockd mount option. - */ - -int gfs2_glockd(void *data) -{ - struct gfs2_sbd *sdp = data; - - while (!kthread_should_stop()) { - while (atomic_read(&sdp->sd_reclaim_count)) - gfs2_reclaim_glock(sdp); - - wait_event_interruptible(sdp->sd_reclaim_wq, - (atomic_read(&sdp->sd_reclaim_count) || - kthread_should_stop())); - if (freezing(current)) - refrigerator(); - } - - return 0; -} - -/** - * gfs2_recoverd - Recover dead machine's journals - * @sdp: Pointer to GFS2 superblock - * - */ - -int gfs2_recoverd(void *data) -{ - struct gfs2_sbd *sdp = data; - unsigned long t; - - while (!kthread_should_stop()) { - gfs2_check_journals(sdp); - t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ; - if (freezing(current)) - refrigerator(); - schedule_timeout_interruptible(t); - } - - return 0; -} - -/** - * gfs2_quotad - Write cached quota changes into the quota file - * @sdp: Pointer to GFS2 superblock - * - */ - -int gfs2_quotad(void *data) -{ - struct gfs2_sbd *sdp = data; - unsigned long t; - int error; - - while (!kthread_should_stop()) { - /* Update the master statfs file */ - - t = sdp->sd_statfs_sync_time + - gfs2_tune_get(sdp, gt_statfs_quantum) * HZ; - - if (time_after_eq(jiffies, t)) { - error = gfs2_statfs_sync(sdp); - if (error && - error != -EROFS && - !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - fs_err(sdp, "quotad: (1) error=%d\n", error); - sdp->sd_statfs_sync_time = jiffies; - } - - /* Update quota file */ - - t = sdp->sd_quota_sync_time + - gfs2_tune_get(sdp, gt_quota_quantum) * HZ; - - if (time_after_eq(jiffies, t)) { - error = gfs2_quota_sync(sdp); - if (error && - error != -EROFS && - !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - fs_err(sdp, "quotad: (2) error=%d\n", error); - sdp->sd_quota_sync_time = jiffies; - } - - gfs2_quota_scan(sdp); - - t = gfs2_tune_get(sdp, gt_quotad_secs) * HZ; - if (freezing(current)) - refrigerator(); - schedule_timeout_interruptible(t); - } - - return 0; -} - |