kill aio_setup_single_vector()

identical to import_single_range()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-03-21 19:11:55 -04:00
parent 36e9f6535f
commit d4fb392f4c

View file

@ -1376,21 +1376,6 @@ static int aio_setup_vectored_rw(int rw, char __user *buf, size_t len,
return 0;
}
static int aio_setup_single_vector(int rw, char __user *buf, size_t len,
struct iovec *iovec,
struct iov_iter *iter)
{
if (len > MAX_RW_COUNT)
len = MAX_RW_COUNT;
if (unlikely(!access_ok(!rw, buf, len)))
return -EFAULT;
iovec->iov_base = buf;
iovec->iov_len = len;
iov_iter_init(iter, rw, iovec, 1, len);
return 0;
}
/*
* aio_run_iocb:
* Performs the initial checks and io submission.
@ -1434,8 +1419,7 @@ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode,
ret = aio_setup_vectored_rw(rw, buf, len,
&iovec, compat, &iter);
else
ret = aio_setup_single_vector(rw, buf, len,
iovec, &iter);
ret = import_single_range(rw, buf, len, iovec, &iter);
if (!ret)
ret = rw_verify_area(rw, file, &req->ki_pos,
iov_iter_count(&iter));