->index and ->seen can share the same space, they are both io engine
private.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
char *buf;
unsigned int buflen;
unsigned long long offset;
char *buf;
unsigned int buflen;
unsigned long long offset;
unsigned int resid;
unsigned int error;
unsigned int resid;
unsigned int error;
+ /*
+ * io engine private data
+ */
+ union {
+ unsigned int index;
+ unsigned int seen;
+ };
+
struct fio_file *file;
struct list_head list;
struct fio_file *file;
struct list_head list;