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TOMOYO Linux Cross Reference
Linux/net/rds/info.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _RDS_INFO_H
  3 #define _RDS_INFO_H
  4 
  5 struct rds_info_lengths {
  6         unsigned int    nr;
  7         unsigned int    each;
  8 };
  9 
 10 struct rds_info_iterator;
 11 
 12 /*
 13  * These functions must fill in the fields of @lens to reflect the size
 14  * of the available info source.  If the snapshot fits in @len then it
 15  * should be copied using @iter.  The caller will deduce if it was copied
 16  * or not by comparing the lengths.
 17  */
 18 typedef void (*rds_info_func)(struct socket *sock, unsigned int len,
 19                               struct rds_info_iterator *iter,
 20                               struct rds_info_lengths *lens);
 21 
 22 void rds_info_register_func(int optname, rds_info_func func);
 23 void rds_info_deregister_func(int optname, rds_info_func func);
 24 int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
 25                         int __user *optlen);
 26 void rds_info_copy(struct rds_info_iterator *iter, void *data,
 27                    unsigned long bytes);
 28 void rds_info_iter_unmap(struct rds_info_iterator *iter);
 29 
 30 
 31 #endif
 32 

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