X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=ioengine.h;h=37bf5fce125e0e9e265b9137cf63dc9b0eb406fa;hb=7ffa8930764e6ccc5bf036fe4d73f1d7276453e5;hp=0756bc7e6c1335dc729bbe6c08b9f78630121d66;hpb=363cffa71a96eb4c7595bb8c325a09eb01f766a5;p=fio.git

diff --git a/ioengine.h b/ioengine.h
index 0756bc7e..37bf5fce 100644
--- a/ioengine.h
+++ b/ioengine.h
@@ -15,7 +15,7 @@
 #include <guasi.h>
 #endif
 
-#define FIO_IOOPS_VERSION	16
+#define FIO_IOOPS_VERSION	19
 
 enum {
 	IO_U_F_FREE		= 1 << 0,
@@ -71,6 +71,27 @@ struct io_u {
 	 */
 	unsigned long buf_filled_len;
 
+	struct io_piece *ipo;
+
+	unsigned int resid;
+	unsigned int error;
+
+	/*
+	 * io engine private data
+	 */
+	union {
+		unsigned int index;
+		unsigned int seen;
+		void *engine_data;
+	};
+
+	struct flist_head verify_list;
+
+	/*
+	 * Callback for io completion
+	 */
+	int (*end_io)(struct thread_data *, struct io_u *);
+
 	union {
 #ifdef CONFIG_LIBAIO
 		struct iocb iocb;
@@ -95,25 +116,6 @@ struct io_u {
 #endif
 		void *mmap_data;
 	};
-
-	unsigned int resid;
-	unsigned int error;
-
-	/*
-	 * io engine private data
-	 */
-	union {
-		unsigned int index;
-		unsigned int seen;
-		void *engine_data;
-	};
-
-	struct flist_head verify_list;
-
-	/*
-	 * Callback for io completion
-	 */
-	int (*end_io)(struct thread_data *, struct io_u *);
 };
 
 /*
@@ -141,6 +143,7 @@ struct ioengine_ops {
 	void (*cleanup)(struct thread_data *);
 	int (*open_file)(struct thread_data *, struct fio_file *);
 	int (*close_file)(struct thread_data *, struct fio_file *);
+	int (*invalidate)(struct thread_data *, struct fio_file *);
 	int (*get_file_size)(struct thread_data *, struct fio_file *);
 	void (*terminate)(struct thread_data *);
 	int (*io_u_init)(struct thread_data *, struct io_u *);
@@ -165,6 +168,11 @@ enum fio_ioengine_flags {
 	FIO_BIT_BASED	= 1 << 10,	/* engine uses a bit base (e.g. uses Kbit as opposed to KB) */
 };
 
+/*
+ * External engine defined symbol to fill in the engine ops structure
+ */
+typedef void (*get_ioengine_t)(struct ioengine_ops **);
+
 /*
  * io engine entry points
  */