Contributors: 17
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Linus Torvalds (pre-git) |
384 |
51.13% |
4 |
15.38% |
| Art Haas |
128 |
17.04% |
1 |
3.85% |
| Tom Tucker |
92 |
12.25% |
1 |
3.85% |
| Kinglong Mee |
25 |
3.33% |
1 |
3.85% |
| Trond Myklebust |
21 |
2.80% |
3 |
11.54% |
| Artur Molchanov |
20 |
2.66% |
1 |
3.85% |
| Christoph Hellwig |
16 |
2.13% |
1 |
3.85% |
| Linus Torvalds |
10 |
1.33% |
3 |
11.54% |
| Al Viro |
10 |
1.33% |
1 |
3.85% |
| Dan Carpenter |
9 |
1.20% |
2 |
7.69% |
| Joe Perches |
8 |
1.07% |
2 |
7.69% |
| Stanislav Kinsbursky |
7 |
0.93% |
1 |
3.85% |
| J. Bruce Fields |
7 |
0.93% |
1 |
3.85% |
| Jeff Layton |
6 |
0.80% |
1 |
3.85% |
| Cyrill V. Gorcunov |
5 |
0.67% |
1 |
3.85% |
| Eric W. Biedermann |
2 |
0.27% |
1 |
3.85% |
| Thomas Gleixner |
1 |
0.13% |
1 |
3.85% |
| Total |
751 |
|
26 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/net/sunrpc/sysctl.c
*
* Sysctl interface to sunrpc module.
*
* I would prefer to register the sunrpc table below sys/net, but that's
* impossible at the moment.
*/
#include <linux/types.h>
#include <linux/linkage.h>
#include <linux/ctype.h>
#include <linux/fs.h>
#include <linux/sysctl.h>
#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/sunrpc/types.h>
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/stats.h>
#include <linux/sunrpc/svc_xprt.h>
#include "netns.h"
/*
* Declare the debug flags here
*/
unsigned int rpc_debug;
EXPORT_SYMBOL_GPL(rpc_debug);
unsigned int nfs_debug;
EXPORT_SYMBOL_GPL(nfs_debug);
unsigned int nfsd_debug;
EXPORT_SYMBOL_GPL(nfsd_debug);
unsigned int nlm_debug;
EXPORT_SYMBOL_GPL(nlm_debug);
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
static struct ctl_table_header *sunrpc_table_header;
static struct ctl_table sunrpc_table[];
void
rpc_register_sysctl(void)
{
if (!sunrpc_table_header)
sunrpc_table_header = register_sysctl_table(sunrpc_table);
}
void
rpc_unregister_sysctl(void)
{
if (sunrpc_table_header) {
unregister_sysctl_table(sunrpc_table_header);
sunrpc_table_header = NULL;
}
}
static int proc_do_xprt(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
char tmpbuf[256];
ssize_t len;
if (write || *ppos) {
*lenp = 0;
return 0;
}
len = svc_print_xprts(tmpbuf, sizeof(tmpbuf));
len = memory_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len);
if (len < 0) {
*lenp = 0;
return -EINVAL;
}
*lenp = len;
return 0;
}
static int
proc_dodebug(struct ctl_table *table, int write, void *buffer, size_t *lenp,
loff_t *ppos)
{
char tmpbuf[20], *s = NULL;
char *p;
unsigned int value;
size_t left, len;
if ((*ppos && !write) || !*lenp) {
*lenp = 0;
return 0;
}
left = *lenp;
if (write) {
p = buffer;
while (left && isspace(*p)) {
left--;
p++;
}
if (!left)
goto done;
if (left > sizeof(tmpbuf) - 1)
return -EINVAL;
memcpy(tmpbuf, p, left);
tmpbuf[left] = '\0';
value = simple_strtol(tmpbuf, &s, 0);
if (s) {
left -= (s - tmpbuf);
if (left && !isspace(*s))
return -EINVAL;
while (left && isspace(*s)) {
left--;
s++;
}
} else
left = 0;
*(unsigned int *) table->data = value;
/* Display the RPC tasks on writing to rpc_debug */
if (strcmp(table->procname, "rpc_debug") == 0)
rpc_show_tasks(&init_net);
} else {
len = sprintf(tmpbuf, "0x%04x", *(unsigned int *) table->data);
if (len > left)
len = left;
memcpy(buffer, tmpbuf, len);
if ((left -= len) > 0) {
*((char *)buffer + len) = '\n';
left--;
}
}
done:
*lenp -= left;
*ppos += *lenp;
return 0;
}
static struct ctl_table debug_table[] = {
{
.procname = "rpc_debug",
.data = &rpc_debug,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dodebug
},
{
.procname = "nfs_debug",
.data = &nfs_debug,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dodebug
},
{
.procname = "nfsd_debug",
.data = &nfsd_debug,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dodebug
},
{
.procname = "nlm_debug",
.data = &nlm_debug,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dodebug
},
{
.procname = "transports",
.maxlen = 256,
.mode = 0444,
.proc_handler = proc_do_xprt,
},
{ }
};
static struct ctl_table sunrpc_table[] = {
{
.procname = "sunrpc",
.mode = 0555,
.child = debug_table
},
{ }
};
#endif