Reuse filled pattern

[fio.git] / ioengine.h

diff --git a/ioengine.h b/ioengine.h
index 2caece72c644e4e4f144715f586e73bcb6b5ffac..b599b6152c591de806dda5f0d8b4dac5e9d331a2 100644 (file)
--- a/ioengine.h
+++ b/ioengine.h
@@ -1,11 +1,13 @@
 #ifndef FIO_IOENGINE_H
 #define FIO_IOENGINE_H
 
-#define FIO_IOOPS_VERSION      10
+#define FIO_IOOPS_VERSION      11
 
 enum {
-       IO_U_F_FREE     = 1 << 0,
-       IO_U_F_FLIGHT   = 1 << 1,
+       IO_U_F_FREE             = 1 << 0,
+       IO_U_F_FLIGHT           = 1 << 1,
+       IO_U_F_FREE_DEF         = 1 << 2,
+       IO_U_F_IN_CUR_DEPTH     = 1 << 3,
 };
 
 /*
@@ -40,6 +42,13 @@ struct io_u {
        unsigned long buflen;
        unsigned long long offset;
 
+       /*
+        * Parameters related to pre-filled buffers and
+        * their size to handle variable block sizes.
+        */
+       int buf_filled;
+       unsigned long buf_filled_len;
+
        /*
         * IO engine state, may be different from above when we get
         * partial transfers / residual data counts
@@ -112,6 +121,7 @@ enum fio_ioengine_flags {
        FIO_UNIDIR      = 1 << 5,       /* engine is uni-directional */
        FIO_NOIO        = 1 << 6,       /* thread does only pseudo IO */
        FIO_SIGQUIT     = 1 << 7,       /* needs SIGQUIT to exit */
+       FIO_PIPEIO      = 1 << 8,       /* input/output no seekable */
 };
 
 /*
@@ -139,9 +149,10 @@ extern void close_ioengine(struct thread_data *);
 extern struct io_u *__get_io_u(struct thread_data *);
 extern struct io_u *get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
+extern void clear_io_u(struct thread_data *, struct io_u *);
 extern void requeue_io_u(struct thread_data *, struct io_u **);
-extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *);
-extern long __must_check io_u_queued_complete(struct thread_data *, int);
+extern int __must_check io_u_sync_complete(struct thread_data *, struct io_u *, unsigned long *);
+extern int __must_check io_u_queued_complete(struct thread_data *, int, unsigned long *);
 extern void io_u_queued(struct thread_data *, struct io_u *);
 extern void io_u_log_error(struct thread_data *, struct io_u *);
 extern void io_u_mark_depth(struct thread_data *, unsigned int);
@@ -149,4 +160,25 @@ extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int
 void io_u_mark_complete(struct thread_data *, unsigned int);
 void io_u_mark_submit(struct thread_data *, unsigned int);
 
+int do_io_u_sync(struct thread_data *, struct io_u *);
+
+#ifdef FIO_INC_DEBUG
+static inline void dprint_io_u(struct io_u *io_u, const char *p)
+{
+       struct fio_file *f = io_u->file;
+
+       dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u,
+                                       (unsigned long long) io_u->offset,
+                                       io_u->buflen, io_u->ddir);
+       if (fio_debug & (1 << FD_IO)) {
+               if (f)
+                       log_info("/%s", f->file_name);
+
+               log_info("\n");
+       }
+}
+#else
+#define dprint_io_u(io_u, p)
+#endif
+
 #endif