253 строки
6.1 KiB
C
253 строки
6.1 KiB
C
/*
|
|
* Copyright (c) 2001-2005 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#include "xfs.h"
|
|
#include <linux/sysctl.h>
|
|
#include <linux/proc_fs.h>
|
|
#include "xfs_error.h"
|
|
|
|
static struct ctl_table_header *xfs_table_header;
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
STATIC int
|
|
xfs_stats_clear_proc_handler(
|
|
ctl_table *ctl,
|
|
int write,
|
|
void __user *buffer,
|
|
size_t *lenp,
|
|
loff_t *ppos)
|
|
{
|
|
int c, ret, *valp = ctl->data;
|
|
__uint32_t vn_active;
|
|
|
|
ret = proc_dointvec_minmax(ctl, write, buffer, lenp, ppos);
|
|
|
|
if (!ret && write && *valp) {
|
|
xfs_notice(NULL, "Clearing xfsstats");
|
|
for_each_possible_cpu(c) {
|
|
preempt_disable();
|
|
/* save vn_active, it's a universal truth! */
|
|
vn_active = per_cpu(xfsstats, c).vn_active;
|
|
memset(&per_cpu(xfsstats, c), 0,
|
|
sizeof(struct xfsstats));
|
|
per_cpu(xfsstats, c).vn_active = vn_active;
|
|
preempt_enable();
|
|
}
|
|
xfs_stats_clear = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
STATIC int
|
|
xfs_panic_mask_proc_handler(
|
|
ctl_table *ctl,
|
|
int write,
|
|
void __user *buffer,
|
|
size_t *lenp,
|
|
loff_t *ppos)
|
|
{
|
|
int ret, *valp = ctl->data;
|
|
|
|
ret = proc_dointvec_minmax(ctl, write, buffer, lenp, ppos);
|
|
if (!ret && write) {
|
|
xfs_panic_mask = *valp;
|
|
#ifdef DEBUG
|
|
xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES);
|
|
#endif
|
|
}
|
|
return ret;
|
|
}
|
|
#endif /* CONFIG_PROC_FS */
|
|
|
|
static ctl_table xfs_table[] = {
|
|
{
|
|
.procname = "irix_sgid_inherit",
|
|
.data = &xfs_params.sgid_inherit.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.sgid_inherit.min,
|
|
.extra2 = &xfs_params.sgid_inherit.max
|
|
},
|
|
{
|
|
.procname = "irix_symlink_mode",
|
|
.data = &xfs_params.symlink_mode.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.symlink_mode.min,
|
|
.extra2 = &xfs_params.symlink_mode.max
|
|
},
|
|
{
|
|
.procname = "panic_mask",
|
|
.data = &xfs_params.panic_mask.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = xfs_panic_mask_proc_handler,
|
|
.extra1 = &xfs_params.panic_mask.min,
|
|
.extra2 = &xfs_params.panic_mask.max
|
|
},
|
|
|
|
{
|
|
.procname = "error_level",
|
|
.data = &xfs_params.error_level.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.error_level.min,
|
|
.extra2 = &xfs_params.error_level.max
|
|
},
|
|
{
|
|
.procname = "xfssyncd_centisecs",
|
|
.data = &xfs_params.syncd_timer.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.syncd_timer.min,
|
|
.extra2 = &xfs_params.syncd_timer.max
|
|
},
|
|
{
|
|
.procname = "inherit_sync",
|
|
.data = &xfs_params.inherit_sync.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.inherit_sync.min,
|
|
.extra2 = &xfs_params.inherit_sync.max
|
|
},
|
|
{
|
|
.procname = "inherit_nodump",
|
|
.data = &xfs_params.inherit_nodump.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.inherit_nodump.min,
|
|
.extra2 = &xfs_params.inherit_nodump.max
|
|
},
|
|
{
|
|
.procname = "inherit_noatime",
|
|
.data = &xfs_params.inherit_noatim.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.inherit_noatim.min,
|
|
.extra2 = &xfs_params.inherit_noatim.max
|
|
},
|
|
{
|
|
.procname = "xfsbufd_centisecs",
|
|
.data = &xfs_params.xfs_buf_timer.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.xfs_buf_timer.min,
|
|
.extra2 = &xfs_params.xfs_buf_timer.max
|
|
},
|
|
{
|
|
.procname = "age_buffer_centisecs",
|
|
.data = &xfs_params.xfs_buf_age.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.xfs_buf_age.min,
|
|
.extra2 = &xfs_params.xfs_buf_age.max
|
|
},
|
|
{
|
|
.procname = "inherit_nosymlinks",
|
|
.data = &xfs_params.inherit_nosym.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.inherit_nosym.min,
|
|
.extra2 = &xfs_params.inherit_nosym.max
|
|
},
|
|
{
|
|
.procname = "rotorstep",
|
|
.data = &xfs_params.rotorstep.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.rotorstep.min,
|
|
.extra2 = &xfs_params.rotorstep.max
|
|
},
|
|
{
|
|
.procname = "inherit_nodefrag",
|
|
.data = &xfs_params.inherit_nodfrg.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.inherit_nodfrg.min,
|
|
.extra2 = &xfs_params.inherit_nodfrg.max
|
|
},
|
|
{
|
|
.procname = "filestream_centisecs",
|
|
.data = &xfs_params.fstrm_timer.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &xfs_params.fstrm_timer.min,
|
|
.extra2 = &xfs_params.fstrm_timer.max,
|
|
},
|
|
/* please keep this the last entry */
|
|
#ifdef CONFIG_PROC_FS
|
|
{
|
|
.procname = "stats_clear",
|
|
.data = &xfs_params.stats_clear.val,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = xfs_stats_clear_proc_handler,
|
|
.extra1 = &xfs_params.stats_clear.min,
|
|
.extra2 = &xfs_params.stats_clear.max
|
|
},
|
|
#endif /* CONFIG_PROC_FS */
|
|
|
|
{}
|
|
};
|
|
|
|
static ctl_table xfs_dir_table[] = {
|
|
{
|
|
.procname = "xfs",
|
|
.mode = 0555,
|
|
.child = xfs_table
|
|
},
|
|
{}
|
|
};
|
|
|
|
static ctl_table xfs_root_table[] = {
|
|
{
|
|
.procname = "fs",
|
|
.mode = 0555,
|
|
.child = xfs_dir_table
|
|
},
|
|
{}
|
|
};
|
|
|
|
int
|
|
xfs_sysctl_register(void)
|
|
{
|
|
xfs_table_header = register_sysctl_table(xfs_root_table);
|
|
if (!xfs_table_header)
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
xfs_sysctl_unregister(void)
|
|
{
|
|
unregister_sysctl_table(xfs_table_header);
|
|
}
|