read_write.h 542 B

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  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. typedef ssize_t (*io_fn_t)(struct file *, char __user *, size_t, loff_t *);
  6. typedef ssize_t (*iov_fn_t)(struct kiocb *, const struct iovec *,
  7. unsigned long, loff_t);
  8. ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov,
  9. unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn);
  10. ssize_t do_loop_readv_writev(struct file *filp, struct iovec *iov,
  11. unsigned long nr_segs, loff_t *ppos, io_fn_t fn);