arch/um/include/shared/aio.h

   1 /*
   2  * Copyright (C) 2004 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef AIO_H__
   7 #define AIO_H__
   8
   9 enum aio_type { AIO_READ, AIO_WRITE, AIO_MMAP };
  10
  11 struct aio_thread_reply {
  12         void *data;
  13         int err;
  14 };
  15
  16 struct aio_context {
  17         int reply_fd;
  18         struct aio_context *next;
  19 };
  20
  21 #define INIT_AIO_CONTEXT { .reply_fd    = -1, \
  22                            .next        = NULL }
  23
  24 extern int submit_aio(enum aio_type type, int fd, char *buf, int len,
  25                       unsigned long long offset, int reply_fd,
  26                       struct aio_context *aio);
  27
  28 #endif