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 e51991947d2c..000000000000 --- a/fs/gfs2/daemon.c +++ /dev/null | |||
@@ -1,136 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | ||
3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. | ||
4 | * | ||
5 | * This copyrighted material is made available to anyone wishing to use, | ||
6 | * modify, copy, or redistribute it subject to the terms and conditions | ||
7 | * of the GNU General Public License version 2. | ||
8 | */ | ||
9 | |||
10 | #include <linux/sched.h> | ||
11 | #include <linux/slab.h> | ||
12 | #include <linux/spinlock.h> | ||
13 | #include <linux/completion.h> | ||
14 | #include <linux/buffer_head.h> | ||
15 | #include <linux/kthread.h> | ||
16 | #include <linux/delay.h> | ||
17 | #include <linux/gfs2_ondisk.h> | ||
18 | #include <linux/lm_interface.h> | ||
19 | #include <linux/freezer.h> | ||
20 | |||
21 | #include "gfs2.h" | ||
22 | #include "incore.h" | ||
23 | #include "daemon.h" | ||
24 | #include "glock.h" | ||
25 | #include "log.h" | ||
26 | #include "quota.h" | ||
27 | #include "recovery.h" | ||
28 | #include "super.h" | ||
29 | #include "util.h" | ||
30 | |||
31 | /* This uses schedule_timeout() instead of msleep() because it's good for | ||
32 | the daemons to wake up more often than the timeout when unmounting so | ||
33 | the user's unmount doesn't sit there forever. | ||
34 | |||
35 | The kthread functions used to start these daemons block and flush signals. */ | ||
36 | |||
37 | /** | ||
38 | * gfs2_glockd - Reclaim unused glock structures | ||
39 | * @sdp: Pointer to GFS2 superblock | ||
40 | * | ||
41 | * One or more of these daemons run, reclaiming glocks on sd_reclaim_list. | ||
42 | * Number of daemons can be set by user, with num_glockd mount option. | ||
43 | */ | ||
44 | |||
45 | int gfs2_glockd(void *data) | ||
46 | { | ||
47 | struct gfs2_sbd *sdp = data; | ||
48 | |||
49 | while (!kthread_should_stop()) { | ||
50 | while (atomic_read(&sdp->sd_reclaim_count)) | ||
51 | gfs2_reclaim_glock(sdp); | ||
52 | |||
53 | wait_event_interruptible(sdp->sd_reclaim_wq, | ||
54 | (atomic_read(&sdp->sd_reclaim_count) || | ||
55 | kthread_should_stop())); | ||
56 | if (freezing(current)) | ||
57 | refrigerator(); | ||
58 | } | ||
59 | |||
60 | return 0; | ||
61 | } | ||
62 | |||
63 | /** | ||
64 | * gfs2_recoverd - Recover dead machine's journals | ||
65 | * @sdp: Pointer to GFS2 superblock | ||
66 | * | ||
67 | */ | ||
68 | |||
69 | int gfs2_recoverd(void *data) | ||
70 | { | ||
71 | struct gfs2_sbd *sdp = data; | ||
72 | unsigned long t; | ||
73 | |||
74 | while (!kthread_should_stop()) { | ||
75 | gfs2_check_journals(sdp); | ||
76 | t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ; | ||
77 | if (freezing(current)) | ||
78 | refrigerator(); | ||
79 | schedule_timeout_interruptible(t); | ||
80 | } | ||
81 | |||
82 | return 0; | ||
83 | } | ||
84 | |||
85 | /** | ||
86 | * gfs2_quotad - Write cached quota changes into the quota file | ||
87 | * @sdp: Pointer to GFS2 superblock | ||
88 | * | ||
89 | */ | ||
90 | |||
91 | int gfs2_quotad(void *data) | ||
92 | { | ||
93 | struct gfs2_sbd *sdp = data; | ||
94 | unsigned long t; | ||
95 | int error; | ||
96 | |||
97 | while (!kthread_should_stop()) { | ||
98 | /* Update the master statfs file */ | ||
99 | |||
100 | t = sdp->sd_statfs_sync_time + | ||
101 | gfs2_tune_get(sdp, gt_statfs_quantum) * HZ; | ||
102 | |||
103 | if (time_after_eq(jiffies, t)) { | ||
104 | error = gfs2_statfs_sync(sdp); | ||
105 | if (error && | ||
106 | error != -EROFS && | ||
107 | !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) | ||
108 | fs_err(sdp, "quotad: (1) error=%d\n", error); | ||
109 | sdp->sd_statfs_sync_time = jiffies; | ||
110 | } | ||
111 | |||
112 | /* Update quota file */ | ||
113 | |||
114 | t = sdp->sd_quota_sync_time + | ||
115 | gfs2_tune_get(sdp, gt_quota_quantum) * HZ; | ||
116 | |||
117 | if (time_after_eq(jiffies, t)) { | ||
118 | error = gfs2_quota_sync(sdp); | ||
119 | if (error && | ||
120 | error != -EROFS && | ||
121 | !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) | ||
122 | fs_err(sdp, "quotad: (2) error=%d\n", error); | ||
123 | sdp->sd_quota_sync_time = jiffies; | ||
124 | } | ||
125 | |||
126 | gfs2_quota_scan(sdp); | ||
127 | |||
128 | t = gfs2_tune_get(sdp, gt_quotad_secs) * HZ; | ||
129 | if (freezing(current)) | ||
130 | refrigerator(); | ||
131 | schedule_timeout_interruptible(t); | ||
132 | } | ||
133 | |||
134 | return 0; | ||
135 | } | ||
136 | |||