X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=file.h;h=e646cf22f6b7ec184fe4fb6ab94f8fb5918cb76e;hb=acbda87c34c743ff2d9e125d9539bcfbbf49eb75;hp=faf65a2a013846fb716f0b80403d6549b90120d2;hpb=1487c122c651191b34d8f0b2ac1c6ee5cd343874;p=fio.git

diff --git a/file.h b/file.h
index faf65a2a..e646cf22 100644
--- a/file.h
+++ b/file.h
@@ -126,12 +126,14 @@ struct fio_file {
 	unsigned int last_write_idx;
 
 	/*
-	 * For use by the io engine for offset or private data storage
+	 * For use by the io engine to store offset
 	 */
-	union {
-		uint64_t engine_pos;
-		void *engine_data;
-	};
+	uint64_t engine_pos;
+
+	/*
+	 * For use by the io engine for private data storage
+	 */
+	void *engine_data;
 
 	/*
 	 * if io is protected by a semaphore, this is set
@@ -199,6 +201,7 @@ struct thread_data;
 extern void close_files(struct thread_data *);
 extern void close_and_free_files(struct thread_data *);
 extern uint64_t get_start_offset(struct thread_data *, struct fio_file *);
+extern int __must_check setup_shared_file(struct thread_data *);
 extern int __must_check setup_files(struct thread_data *);
 extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
 #ifdef __cplusplus