linux/kernel/sysctl.c

77 		char *buffer, size_t *lenp, loff_t *ppos)
82 	if (!data || !maxlen || !*lenp) {
83 		*lenp = 0;
102 		*ppos += *lenp;
104 		while ((p - buffer) < *lenp && len < maxlen - 1) {
117 			*lenp = 0;
124 		if (len > *lenp)
125 			len = *lenp;
128 		if (len < *lenp) {
132 		*lenp = len;
177  * @lenp: the size of the user buffer
190 		  void *buffer, size_t *lenp, loff_t *ppos)
195 	return _proc_do_string(table->data, table->maxlen, write, buffer, lenp,
403 		  size_t *lenp, loff_t *ppos,
412 	if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
413 		*lenp = 0;
419 	left = *lenp;
468 	*lenp -= left;
470 	*ppos += *lenp;
475 		  void *buffer, size_t *lenp, loff_t *ppos,
481 			buffer, lenp, ppos, conv, data);
487 			       size_t *lenp, loff_t *ppos,
499 	left = *lenp;
537 	*ppos += *lenp;
542 			       size_t *lenp, loff_t *ppos,
552 	left = *lenp;
566 	*lenp -= left;
567 	*ppos += *lenp;
574 			       size_t *lenp, loff_t *ppos,
582 	if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
583 		*lenp = 0;
595 		*lenp = 0;
603 		return do_proc_douintvec_w(i, table, buffer, lenp, ppos,
605 	return do_proc_douintvec_r(i, buffer, lenp, ppos, conv, data);
609 		      void *buffer, size_t *lenp, loff_t *ppos,
616 				   buffer, lenp, ppos, conv, data);
624  * @lenp: the size of the user buffer
636 		size_t *lenp, loff_t *ppos)
651 	res = proc_dointvec(&tmp, write, buffer, lenp, ppos);
664  * @lenp: the size of the user buffer
673 		  size_t *lenp, loff_t *ppos)
675 	return do_proc_dointvec(table, write, buffer, lenp, ppos, NULL, NULL);
683  * @lenp: the size of the user buffer
692 		size_t *lenp, loff_t *ppos)
694 	return do_proc_douintvec(table, write, buffer, lenp, ppos,
743  * @lenp: the size of the user buffer
755 		  void *buffer, size_t *lenp, loff_t *ppos)
761 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
809  * @lenp: the size of the user buffer
824 			  void *buffer, size_t *lenp, loff_t *ppos)
830 	return do_proc_douintvec(table, write, buffer, lenp, ppos,
839  * @lenp: the size of the user buffer
852 			void *buffer, size_t *lenp, loff_t *ppos)
877 	res = do_proc_douintvec(&tmp, write, buffer, lenp, ppos,
889 		void *buffer, size_t *lenp, loff_t *ppos,
897 	if (!data || !table->maxlen || !*lenp || (*ppos && !write)) {
898 		*lenp = 0;
906 	left = *lenp;
955 	*lenp -= left;
957 	*ppos += *lenp;
962 		void *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul,
966 			buffer, lenp, ppos, convmul, convdiv);
974  * @lenp: the size of the user buffer
986 			   void *buffer, size_t *lenp, loff_t *ppos)
988     return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l);
996  * @lenp: the size of the user buffer
1009 				      void *buffer, size_t *lenp, loff_t *ppos)
1012 				     lenp, ppos, HZ, 1000l);
1119  * @lenp: the size of the user buffer
1130 			  void *buffer, size_t *lenp, loff_t *ppos)
1132     return do_proc_dointvec(table,write,buffer,lenp,ppos,
1137 			  void *buffer, size_t *lenp, loff_t *ppos)
1143 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
1152  * @lenp: the size of the user buffer
1163 				 void *buffer, size_t *lenp, loff_t *ppos)
1165 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
1174  * @lenp: the size of the user buffer
1185 		size_t *lenp, loff_t *ppos)
1187 	return do_proc_dointvec(table, write, buffer, lenp, ppos,
1196  * @lenp: the size of the user buffer
1209 			 void *buffer, size_t *lenp, loff_t *ppos)
1212 	size_t left = *lenp;
1219 		*lenp = 0;
1230 			skipped = *lenp - left;
1330 		*lenp -= left;
1331 		*ppos += *lenp;
1341 		  void *buffer, size_t *lenp, loff_t *ppos)
1347 		void *buffer, size_t *lenp, loff_t *ppos)
1353 		  void *buffer, size_t *lenp, loff_t *ppos)
1359 		  void *buffer, size_t *lenp, loff_t *ppos)
1365 		    void *buffer, size_t *lenp, loff_t *ppos)
1371 			  void *buffer, size_t *lenp, loff_t *ppos)
1377 			void *buffer, size_t *lenp, loff_t *ppos)
1383 		    void *buffer, size_t *lenp, loff_t *ppos)
1389 				    void *buffer, size_t *lenp, loff_t *ppos)
1395 		    void *buffer, size_t *lenp, loff_t *ppos)
1401 			     void *buffer, size_t *lenp, loff_t *ppos)
1407 		    void *buffer, size_t *lenp, loff_t *ppos)
1413 				      void *buffer, size_t *lenp, loff_t *ppos)
1419 			 void *buffer, size_t *lenp, loff_t *ppos)
1428 		       void *buffer, size_t *lenp, loff_t *ppos)
1446 	ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);