2 * Copyright (c) 2001-2005 Silicon Graphics, Inc.
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.
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.
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
19 #include <linux/sysctl.h>
20 #include <linux/proc_fs.h>
22 static struct ctl_table_header
*xfs_table_header
;
26 xfs_stats_clear_proc_handler(
34 int c
, ret
, *valp
= ctl
->data
;
37 ret
= proc_dointvec_minmax(ctl
, write
, filp
, buffer
, lenp
, ppos
);
39 if (!ret
&& write
&& *valp
) {
40 printk("XFS Clearing xfsstats\n");
41 for_each_possible_cpu(c
) {
43 /* save vn_active, it's a universal truth! */
44 vn_active
= per_cpu(xfsstats
, c
).vn_active
;
45 memset(&per_cpu(xfsstats
, c
), 0,
46 sizeof(struct xfsstats
));
47 per_cpu(xfsstats
, c
).vn_active
= vn_active
;
55 #endif /* CONFIG_PROC_FS */
57 STATIC ctl_table xfs_table
[] = {
58 {XFS_RESTRICT_CHOWN
, "restrict_chown", &xfs_params
.restrict_chown
.val
,
59 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
61 &xfs_params
.restrict_chown
.min
, &xfs_params
.restrict_chown
.max
},
63 {XFS_SGID_INHERIT
, "irix_sgid_inherit", &xfs_params
.sgid_inherit
.val
,
64 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
66 &xfs_params
.sgid_inherit
.min
, &xfs_params
.sgid_inherit
.max
},
68 {XFS_SYMLINK_MODE
, "irix_symlink_mode", &xfs_params
.symlink_mode
.val
,
69 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
71 &xfs_params
.symlink_mode
.min
, &xfs_params
.symlink_mode
.max
},
73 {XFS_PANIC_MASK
, "panic_mask", &xfs_params
.panic_mask
.val
,
74 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
76 &xfs_params
.panic_mask
.min
, &xfs_params
.panic_mask
.max
},
78 {XFS_ERRLEVEL
, "error_level", &xfs_params
.error_level
.val
,
79 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
81 &xfs_params
.error_level
.min
, &xfs_params
.error_level
.max
},
83 {XFS_SYNCD_TIMER
, "xfssyncd_centisecs", &xfs_params
.syncd_timer
.val
,
84 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
86 &xfs_params
.syncd_timer
.min
, &xfs_params
.syncd_timer
.max
},
88 {XFS_INHERIT_SYNC
, "inherit_sync", &xfs_params
.inherit_sync
.val
,
89 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
91 &xfs_params
.inherit_sync
.min
, &xfs_params
.inherit_sync
.max
},
93 {XFS_INHERIT_NODUMP
, "inherit_nodump", &xfs_params
.inherit_nodump
.val
,
94 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
96 &xfs_params
.inherit_nodump
.min
, &xfs_params
.inherit_nodump
.max
},
98 {XFS_INHERIT_NOATIME
, "inherit_noatime", &xfs_params
.inherit_noatim
.val
,
99 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
100 &sysctl_intvec
, NULL
,
101 &xfs_params
.inherit_noatim
.min
, &xfs_params
.inherit_noatim
.max
},
103 {XFS_BUF_TIMER
, "xfsbufd_centisecs", &xfs_params
.xfs_buf_timer
.val
,
104 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
105 &sysctl_intvec
, NULL
,
106 &xfs_params
.xfs_buf_timer
.min
, &xfs_params
.xfs_buf_timer
.max
},
108 {XFS_BUF_AGE
, "age_buffer_centisecs", &xfs_params
.xfs_buf_age
.val
,
109 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
110 &sysctl_intvec
, NULL
,
111 &xfs_params
.xfs_buf_age
.min
, &xfs_params
.xfs_buf_age
.max
},
113 {XFS_INHERIT_NOSYM
, "inherit_nosymlinks", &xfs_params
.inherit_nosym
.val
,
114 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
115 &sysctl_intvec
, NULL
,
116 &xfs_params
.inherit_nosym
.min
, &xfs_params
.inherit_nosym
.max
},
118 {XFS_ROTORSTEP
, "rotorstep", &xfs_params
.rotorstep
.val
,
119 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
120 &sysctl_intvec
, NULL
,
121 &xfs_params
.rotorstep
.min
, &xfs_params
.rotorstep
.max
},
123 {XFS_INHERIT_NODFRG
, "inherit_nodefrag", &xfs_params
.inherit_nodfrg
.val
,
124 sizeof(int), 0644, NULL
, &proc_dointvec_minmax
,
125 &sysctl_intvec
, NULL
,
126 &xfs_params
.inherit_nodfrg
.min
, &xfs_params
.inherit_nodfrg
.max
},
128 /* please keep this the last entry */
129 #ifdef CONFIG_PROC_FS
130 {XFS_STATS_CLEAR
, "stats_clear", &xfs_params
.stats_clear
.val
,
131 sizeof(int), 0644, NULL
, &xfs_stats_clear_proc_handler
,
132 &sysctl_intvec
, NULL
,
133 &xfs_params
.stats_clear
.min
, &xfs_params
.stats_clear
.max
},
134 #endif /* CONFIG_PROC_FS */
139 STATIC ctl_table xfs_dir_table
[] = {
140 {FS_XFS
, "xfs", NULL
, 0, 0555, xfs_table
},
144 STATIC ctl_table xfs_root_table
[] = {
145 {CTL_FS
, "fs", NULL
, 0, 0555, xfs_dir_table
},
150 xfs_sysctl_register(void)
152 xfs_table_header
= register_sysctl_table(xfs_root_table
, 1);
156 xfs_sysctl_unregister(void)
158 if (xfs_table_header
)
159 unregister_sysctl_table(xfs_table_header
);