fs/read_write.h

   1 /*
   2  * This file is only for sharing some helpers from read_write.c with compat.c.
   3  * Don't use anywhere else.
   4  */
   5
   6
   7 typedef ssize_t (*io_fn_t)(struct file *, char __user *, size_t, loff_t *);
   8 typedef ssize_t (*iov_fn_t)(struct kiocb *, const struct iovec *,
   9                 unsigned long, loff_t);
  10
  11 ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov,
  12                 unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn);
  13 ssize_t do_loop_readv_writev(struct file *filp, struct iovec *iov,
  14                 unsigned long nr_segs, loff_t *ppos, io_fn_t fn);
  15 ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos, size_t count,
  16                     loff_t max);