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kernel/linux-imx6_3.14.28/net/rds/info.h 934 Bytes
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  #ifndef _RDS_INFO_H
  #define _RDS_INFO_H
  
  struct rds_info_lengths {
  	unsigned int	nr;
  	unsigned int	each;
  };
  
  struct rds_info_iterator;
  
  /*
   * These functions must fill in the fields of @lens to reflect the size
   * of the available info source.  If the snapshot fits in @len then it
   * should be copied using @iter.  The caller will deduce if it was copied
   * or not by comparing the lengths.
   */
  typedef void (*rds_info_func)(struct socket *sock, unsigned int len,
  			      struct rds_info_iterator *iter,
  			      struct rds_info_lengths *lens);
  
  void rds_info_register_func(int optname, rds_info_func func);
  void rds_info_deregister_func(int optname, rds_info_func func);
  int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
  			int __user *optlen);
  void rds_info_copy(struct rds_info_iterator *iter, void *data,
  		   unsigned long bytes);
  void rds_info_iter_unmap(struct rds_info_iterator *iter);
  
  
  #endif