Initial commit for TRIM/DISCARD support

[fio.git] / ioengine.h

diff --git a/ioengine.h b/ioengine.h
index 5acfbd205d18198f4301cdf35af8cf453fa7f042..ff3069bf73f8a7dc724a85aa4cfc394572be5e00 100644 (file)
--- a/ioengine.h
+++ b/ioengine.h
@@ -1,7 +1,7 @@
 #ifndef FIO_IOENGINE_H
 #define FIO_IOENGINE_H
 
-#define FIO_IOOPS_VERSION      11
+#define FIO_IOOPS_VERSION      12
 
 enum {
        IO_U_F_FREE             = 1 << 0,
@@ -49,6 +49,12 @@ struct io_u {
        void *xfer_buf;
        unsigned long xfer_buflen;
 
+       /*
+        * Parameter related to pre-filled buffers and
+        * their size to handle variable block sizes.
+        */
+       unsigned long buf_filled_len;
+
        unsigned int resid;
        unsigned int error;
 
@@ -153,7 +159,8 @@ 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_sync_file_range(struct thread_data *, struct fio_file *);
+int do_io_u_sync(struct thread_data *, struct io_u *);
+int do_io_u_trim(struct thread_data *, struct io_u *);
 
 #ifdef FIO_INC_DEBUG
 static inline void dprint_io_u(struct io_u *io_u, const char *p)