linux-master/kernel/sysctl.c

147 		char *buffer, size_t *lenp, loff_t *ppos)
152 	if (!data || !maxlen || !*lenp) {
153 		*lenp = 0;
172 		*ppos += *lenp;
174 		while ((p - buffer) < *lenp && len < maxlen - 1) {
187 			*lenp = 0;
194 		if (len > *lenp)
195 			len = *lenp;
198 		if (len < *lenp) {
202 		*lenp = len;
247  * @lenp: the size of the user buffer
260 		  void *buffer, size_t *lenp, loff_t *ppos)
265 	return _proc_do_string(table->data, table->maxlen, write, buffer, lenp,
473 		  size_t *lenp, loff_t *ppos,
482 	if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
483 		*lenp = 0;
489 	left = *lenp;
538 	*lenp -= left;
540 	*ppos += *lenp;
545 		  void *buffer, size_t *lenp, loff_t *ppos,
551 			buffer, lenp, ppos, conv, data);
557 			       size_t *lenp, loff_t *ppos,
569 	left = *lenp;
607 	*ppos += *lenp;
612 			       size_t *lenp, loff_t *ppos,
622 	left = *lenp;
636 	*lenp -= left;
637 	*ppos += *lenp;
644 			       size_t *lenp, loff_t *ppos,
652 	if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
653 		*lenp = 0;
665 		*lenp = 0;
673 		return do_proc_douintvec_w(i, table, buffer, lenp, ppos,
675 	return do_proc_douintvec_r(i, buffer, lenp, ppos, conv, data);
679 		      void *buffer, size_t *lenp, loff_t *ppos,
686 				   buffer, lenp, ppos, conv, data);
694  * @lenp: the size of the user buffer
706 		size_t *lenp, loff_t *ppos)
721 	res = proc_dointvec(&tmp, write, buffer, lenp, ppos);
734  * @lenp: the size of the user buffer
743 		  size_t *lenp, loff_t *ppos)
745 	return do_proc_dointvec(table, write, buffer, lenp, ppos, NULL, NULL);
753  * @lenp: the size of the user buffer
762 		size_t *lenp, loff_t *ppos)
764 	return do_proc_douintvec(table, write, buffer, lenp, ppos,
773 			       void *buffer, size_t *lenp, loff_t *ppos)
784 	err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos);
856  * @lenp: the size of the user buffer
868 		  void *buffer, size_t *lenp, loff_t *ppos)
874 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
922  * @lenp: the size of the user buffer
937 			  void *buffer, size_t *lenp, loff_t *ppos)
943 	return do_proc_douintvec(table, write, buffer, lenp, ppos,
952  * @lenp: the size of the user buffer
965 			void *buffer, size_t *lenp, loff_t *ppos)
996 	res = do_proc_douintvec(&tmp, write, buffer, lenp, ppos,
1008 				void *buffer, size_t *lenp, loff_t *ppos)
1015 			       lenp, ppos, NULL, NULL);
1027 		int write, void *buffer, size_t *lenp, loff_t *ppos,
1035 	if (!data || !table->maxlen || !*lenp || (*ppos && !write)) {
1036 		*lenp = 0;
1044 	left = *lenp;
1093 	*lenp -= left;
1095 	*ppos += *lenp;
1100 		void *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul,
1104 			buffer, lenp, ppos, convmul, convdiv);
1112  * @lenp: the size of the user buffer
1124 			   void *buffer, size_t *lenp, loff_t *ppos)
1126     return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l);
1134  * @lenp: the size of the user buffer
1147 				      void *buffer, size_t *lenp, loff_t *ppos)
1150 				     lenp, ppos, HZ, 1000l);
1257  * @lenp: the size of the user buffer
1268 			  void *buffer, size_t *lenp, loff_t *ppos)
1270     return do_proc_dointvec(table,write,buffer,lenp,ppos,
1275 			  void *buffer, size_t *lenp, loff_t *ppos)
1281 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
1290  * @lenp: the size of the user buffer
1301 				 void *buffer, size_t *lenp, loff_t *ppos)
1303 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
1312  * @lenp: the size of the user buffer
1324 		size_t *lenp, loff_t *ppos)
1326 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
1331 		size_t *lenp, loff_t *ppos)
1340 			       lenp, ppos, NULL, NULL);
1357  * @lenp: the size of the user buffer
1370 			 void *buffer, size_t *lenp, loff_t *ppos)
1373 	size_t left = *lenp;
1380 		*lenp = 0;
1391 			skipped = *lenp - left;
1491 		*lenp -= left;
1492 		*ppos += *lenp;
1502 		  void *buffer, size_t *lenp, loff_t *ppos)
1508 		void *buffer, size_t *lenp, loff_t *ppos)
1514 		  void *buffer, size_t *lenp, loff_t *ppos)
1520 		  void *buffer, size_t *lenp, loff_t *ppos)
1526 		    void *buffer, size_t *lenp, loff_t *ppos)
1532 			  void *buffer, size_t *lenp, loff_t *ppos)
1538 			void *buffer, size_t *lenp, loff_t *ppos)
1544 		    void *buffer, size_t *lenp, loff_t *ppos)
1550 				    void *buffer, size_t *lenp, loff_t *ppos)
1556 		    void *buffer, size_t *lenp, loff_t *ppos)
1562 			     void *buffer, size_t *lenp, loff_t *ppos)
1568 		    void *buffer, size_t *lenp, loff_t *ppos)
1574 				      void *buffer, size_t *lenp, loff_t *ppos)
1580 			 void *buffer, size_t *lenp, loff_t *ppos)
1589 		       void *buffer, size_t *lenp, loff_t *ppos)
1607 	ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);