X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.h;h=03a2378d94c9451f13d8b2f9177d5602a91910c3;hp=b9ae15bf29a9f07c56025002176eb2041644c82d;hb=10ba535a5cbb95b5576e33a6f8af093a6ca3bfd7;hpb=2f9ade3cb72218eb260f4f5e6914218bdcaa2bcc

diff --git a/fio.h b/fio.h
index b9ae15bf..03a2378d 100644
--- a/fio.h
+++ b/fio.h
@@ -335,9 +335,6 @@ struct thread_data {
 #define td_verror(td, err)	__td_verror((td), (err), strerror((err)))
 #define td_vmsg(td, err, msg)	__td_verror((td), (err), (msg))
 
-extern struct io_u *__get_io_u(struct thread_data *);
-extern void put_io_u(struct thread_data *, struct io_u *);
-
 extern int rate_quit;
 extern int exitall_on_terminate;
 extern int thread_number;
@@ -487,6 +484,24 @@ extern void fio_unpin_memory(void);
 extern int allocate_io_mem(struct thread_data *);
 extern void free_io_mem(struct thread_data *);
 
+/*
+ * io unit handling
+ */
+#define queue_full(td)	list_empty(&(td)->io_u_freelist)
+extern struct io_u *__get_io_u(struct thread_data *);
+extern struct io_u *get_io_u(struct thread_data *, struct fio_file *);
+extern void put_io_u(struct thread_data *, struct io_u *);
+extern void ios_completed(struct thread_data *, struct io_completion_data *);
+extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *);
+
+/*
+ * io engine entry points
+ */
+extern int td_io_prep(struct thread_data *, struct io_u *);
+extern int td_io_queue(struct thread_data *, struct io_u *);
+extern int td_io_sync(struct thread_data *, struct fio_file *);
+extern int td_io_getevents(struct thread_data *, int, int, struct timespec *);
+
 /*
  * This is a pretty crappy semaphore implementation, but with the use that fio
  * has (just signalling start/go conditions), it doesn't have to be better.