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");
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,
60 NULL, &sysctl_intvec, NULL,
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,
65 NULL, &sysctl_intvec, NULL,
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,
70 NULL, &sysctl_intvec, NULL,
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,
75 NULL, &sysctl_intvec, NULL,
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,
80 NULL, &sysctl_intvec, NULL,
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,
85 NULL, &sysctl_intvec, NULL,
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,
90 NULL, &sysctl_intvec, NULL,
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,
95 NULL, &sysctl_intvec, NULL,
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 NULL, &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 NULL, &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 NULL, &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 NULL, &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 NULL, &sysctl_intvec, NULL,
121 &xfs_params.rotorstep.min, &xfs_params.rotorstep.max},
123 /* please keep this the last entry */
124 #ifdef CONFIG_PROC_FS
125 {XFS_STATS_CLEAR, "stats_clear", &xfs_params.stats_clear.val,
126 sizeof(int), 0644, NULL, &xfs_stats_clear_proc_handler,
127 NULL, &sysctl_intvec, NULL,
128 &xfs_params.stats_clear.min, &xfs_params.stats_clear.max},
129 #endif /* CONFIG_PROC_FS */
134 STATIC ctl_table xfs_dir_table[] = {
135 {FS_XFS, "xfs", NULL, 0, 0555, xfs_table},
139 STATIC ctl_table xfs_root_table[] = {
140 {CTL_FS, "fs", NULL, 0, 0555, xfs_dir_table},
145 xfs_sysctl_register(void)
147 xfs_table_header = register_sysctl_table(xfs_root_table, 1);
151 xfs_sysctl_unregister(void)
153 if (xfs_table_header)
154 unregister_sysctl_table(xfs_table_header);