vhost: don't bother copying iovecs in handle_rx(), kill memcpy_toiovecend()

[linux-2.6-block.git] / include / linux / uio.h

diff --git a/include/linux/uio.h b/include/linux/uio.h
index a41e252396c0a4d58910858db78a7c6e5e800973..02bd8a92038a8b6112abfbfb88e80d6ff3c3db22 100644 (file)
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -101,6 +101,11 @@ static inline size_t iov_iter_count(struct iov_iter *i)
        return i->count;
 }
 
+static inline bool iter_is_iovec(struct iov_iter *i)
+{
+       return !(i->type & (ITER_BVEC | ITER_KVEC));
+}
+
 /*
  * Cap the iov_iter by given limit; note that the second argument is
  * *not* the new size - it's upper limit for such.  Passing it a value
@@ -130,10 +135,6 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count)
 size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
 size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
 
-int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len);
 int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
                        int offset, int len);
-int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata,
-                     int offset, int len);
-
 #endif