add linux readahead syscall

[musl] / include / fcntl.h

diff --git a/include/fcntl.h b/include/fcntl.h
index 68baf7a..b8d8702 100644 (file)
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -123,6 +123,7 @@ struct f_owner_ex {
 #define SPLICE_F_MORE 4
 #define SPLICE_F_GIFT 8
 int fallocate(int, int, off_t, off_t);
+ssize_t readahead(int, off_t, size_t);
 ssize_t vmsplice(int, const struct iovec *, size_t, unsigned);
 ssize_t splice(int, off_t *, int, off_t *, size_t, unsigned);
 #define loff_t off_t