1 /*
2 * Copyright (c) 2000-2003 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 #include "xfs.h"
19 #include "xfs_fs.h"
20 #include "xfs_bit.h"
21 #include "xfs_log.h"
22 #include "xfs_inum.h"
23 #include "xfs_trans.h"
24 #include "xfs_sb.h"
25 #include "xfs_ag.h"
26 #include "xfs_alloc.h"
27 #include "xfs_quota.h"
28 #include "xfs_mount.h"
29 #include "xfs_bmap_btree.h"
30 #include "xfs_inode.h"
31 #include "xfs_itable.h"
32 #include "xfs_bmap.h"
33 #include "xfs_rtalloc.h"
34 #include "xfs_error.h"
35 #include "xfs_attr.h"
36 #include "xfs_buf_item.h"
37 #include "xfs_qm.h"
38
39 struct xqmstats xqmstats;
40
xqm_proc_show(struct seq_file * m,void * v)41 static int xqm_proc_show(struct seq_file *m, void *v)
42 {
43 /* maximum; incore; ratio free to inuse; freelist */
44 seq_printf(m, "%d\t%d\t%d\t%u\n",
45 0,
46 xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0,
47 0,
48 xfs_Gqm? xfs_Gqm->qm_dqfrlist_cnt : 0);
49 return 0;
50 }
51
xqm_proc_open(struct inode * inode,struct file * file)52 static int xqm_proc_open(struct inode *inode, struct file *file)
53 {
54 return single_open(file, xqm_proc_show, NULL);
55 }
56
57 static const struct file_operations xqm_proc_fops = {
58 .owner = THIS_MODULE,
59 .open = xqm_proc_open,
60 .read = seq_read,
61 .llseek = seq_lseek,
62 .release = single_release,
63 };
64
xqmstat_proc_show(struct seq_file * m,void * v)65 static int xqmstat_proc_show(struct seq_file *m, void *v)
66 {
67 /* quota performance statistics */
68 seq_printf(m, "qm %u %u %u %u %u %u %u %u\n",
69 xqmstats.xs_qm_dqreclaims,
70 xqmstats.xs_qm_dqreclaim_misses,
71 xqmstats.xs_qm_dquot_dups,
72 xqmstats.xs_qm_dqcachemisses,
73 xqmstats.xs_qm_dqcachehits,
74 xqmstats.xs_qm_dqwants,
75 xqmstats.xs_qm_dqshake_reclaims,
76 xqmstats.xs_qm_dqinact_reclaims);
77 return 0;
78 }
79
xqmstat_proc_open(struct inode * inode,struct file * file)80 static int xqmstat_proc_open(struct inode *inode, struct file *file)
81 {
82 return single_open(file, xqmstat_proc_show, NULL);
83 }
84
85 static const struct file_operations xqmstat_proc_fops = {
86 .owner = THIS_MODULE,
87 .open = xqmstat_proc_open,
88 .read = seq_read,
89 .llseek = seq_lseek,
90 .release = single_release,
91 };
92
93 void
xfs_qm_init_procfs(void)94 xfs_qm_init_procfs(void)
95 {
96 proc_create("fs/xfs/xqmstat", 0, NULL, &xqmstat_proc_fops);
97 proc_create("fs/xfs/xqm", 0, NULL, &xqm_proc_fops);
98 }
99
100 void
xfs_qm_cleanup_procfs(void)101 xfs_qm_cleanup_procfs(void)
102 {
103 remove_proc_entry("fs/xfs/xqm", NULL);
104 remove_proc_entry("fs/xfs/xqmstat", NULL);
105 }
106