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1da177e4 | 1 | /* |
4ce3121f NS |
2 | * Copyright (c) 2000-2003 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
4ce3121f NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
4ce3121f NS |
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. | |
1da177e4 | 13 | * |
4ce3121f NS |
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 | |
1da177e4 | 17 | */ |
1da177e4 LT |
18 | #include "xfs.h" |
19 | #include "xfs_fs.h" | |
a844f451 | 20 | #include "xfs_bit.h" |
1da177e4 | 21 | #include "xfs_log.h" |
a844f451 | 22 | #include "xfs_inum.h" |
1da177e4 LT |
23 | #include "xfs_trans.h" |
24 | #include "xfs_sb.h" | |
a844f451 | 25 | #include "xfs_ag.h" |
1da177e4 LT |
26 | #include "xfs_dir2.h" |
27 | #include "xfs_alloc.h" | |
28 | #include "xfs_dmapi.h" | |
29 | #include "xfs_quota.h" | |
30 | #include "xfs_mount.h" | |
1da177e4 | 31 | #include "xfs_bmap_btree.h" |
a844f451 | 32 | #include "xfs_alloc_btree.h" |
1da177e4 | 33 | #include "xfs_ialloc_btree.h" |
1da177e4 | 34 | #include "xfs_dir2_sf.h" |
a844f451 | 35 | #include "xfs_attr_sf.h" |
1da177e4 LT |
36 | #include "xfs_dinode.h" |
37 | #include "xfs_inode.h" | |
a844f451 NS |
38 | #include "xfs_ialloc.h" |
39 | #include "xfs_itable.h" | |
1da177e4 | 40 | #include "xfs_bmap.h" |
a844f451 | 41 | #include "xfs_btree.h" |
1da177e4 LT |
42 | #include "xfs_rtalloc.h" |
43 | #include "xfs_error.h" | |
1da177e4 LT |
44 | #include "xfs_rw.h" |
45 | #include "xfs_acl.h" | |
46 | #include "xfs_cap.h" | |
47 | #include "xfs_mac.h" | |
48 | #include "xfs_attr.h" | |
49 | #include "xfs_buf_item.h" | |
1da177e4 LT |
50 | #include "xfs_qm.h" |
51 | ||
52 | struct xqmstats xqmstats; | |
53 | ||
54 | STATIC int | |
55 | xfs_qm_read_xfsquota( | |
56 | char *buffer, | |
57 | char **start, | |
58 | off_t offset, | |
59 | int count, | |
60 | int *eof, | |
61 | void *data) | |
62 | { | |
63 | int len; | |
64 | ||
65 | /* maximum; incore; ratio free to inuse; freelist */ | |
66 | len = sprintf(buffer, "%d\t%d\t%d\t%u\n", | |
67 | ndquot, | |
68 | xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0, | |
69 | xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0, | |
70 | xfs_Gqm? xfs_Gqm->qm_dqfreelist.qh_nelems : 0); | |
71 | ||
72 | if (offset >= len) { | |
73 | *start = buffer; | |
74 | *eof = 1; | |
75 | return 0; | |
76 | } | |
77 | *start = buffer + offset; | |
78 | if ((len -= offset) > count) | |
79 | return count; | |
80 | *eof = 1; | |
81 | ||
82 | return len; | |
83 | } | |
84 | ||
85 | STATIC int | |
86 | xfs_qm_read_stats( | |
87 | char *buffer, | |
88 | char **start, | |
89 | off_t offset, | |
90 | int count, | |
91 | int *eof, | |
92 | void *data) | |
93 | { | |
94 | int len; | |
95 | ||
96 | /* quota performance statistics */ | |
97 | len = sprintf(buffer, "qm %u %u %u %u %u %u %u %u\n", | |
98 | xqmstats.xs_qm_dqreclaims, | |
99 | xqmstats.xs_qm_dqreclaim_misses, | |
100 | xqmstats.xs_qm_dquot_dups, | |
101 | xqmstats.xs_qm_dqcachemisses, | |
102 | xqmstats.xs_qm_dqcachehits, | |
103 | xqmstats.xs_qm_dqwants, | |
104 | xqmstats.xs_qm_dqshake_reclaims, | |
105 | xqmstats.xs_qm_dqinact_reclaims); | |
106 | ||
107 | if (offset >= len) { | |
108 | *start = buffer; | |
109 | *eof = 1; | |
110 | return 0; | |
111 | } | |
112 | *start = buffer + offset; | |
113 | if ((len -= offset) > count) | |
114 | return count; | |
115 | *eof = 1; | |
116 | ||
117 | return len; | |
118 | } | |
119 | ||
120 | void | |
121 | xfs_qm_init_procfs(void) | |
122 | { | |
123 | create_proc_read_entry("fs/xfs/xqmstat", 0, NULL, xfs_qm_read_stats, NULL); | |
124 | create_proc_read_entry("fs/xfs/xqm", 0, NULL, xfs_qm_read_xfsquota, NULL); | |
125 | } | |
126 | ||
127 | void | |
128 | xfs_qm_cleanup_procfs(void) | |
129 | { | |
130 | remove_proc_entry("fs/xfs/xqm", NULL); | |
131 | remove_proc_entry("fs/xfs/xqmstat", NULL); | |
132 | } |