fio: factor out fio initialization code

[fio.git] / ioengine.h

diff --git a/ioengine.h b/ioengine.h
index 044c4da1a150af8ce239cd0bc57ca14a75ef0c6a..51e559440e6903a33546ee163c83ca7ce0d14480 100644 (file)
--- a/ioengine.h
+++ b/ioengine.h
@@ -1,7 +1,7 @@
 #ifndef FIO_IOENGINE_H
 #define FIO_IOENGINE_H
 
-#define FIO_IOOPS_VERSION      12
+#define FIO_IOOPS_VERSION      13
 
 enum {
        IO_U_F_FREE             = 1 << 0,
@@ -121,6 +121,8 @@ struct ioengine_ops {
        int (*open_file)(struct thread_data *, struct fio_file *);
        int (*close_file)(struct thread_data *, struct fio_file *);
        int (*get_file_size)(struct thread_data *, struct fio_file *);
+       int option_struct_size;
+       struct fio_option *options;
        void *data;
        void *dlhandle;
 };
@@ -130,7 +132,7 @@ enum fio_ioengine_flags {
        FIO_RAWIO       = 1 << 1,       /* some sort of direct/raw io */
        FIO_DISKLESSIO  = 1 << 2,       /* no disk involved */
        FIO_NOEXTEND    = 1 << 3,       /* engine can't extend file */
-       FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
+       FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
        FIO_UNIDIR      = 1 << 5,       /* engine is uni-directional */
        FIO_NOIO        = 1 << 6,       /* thread does only pseudo IO */
        FIO_SIGTERM     = 1 << 7,       /* needs SIGTERM to exit */
@@ -155,8 +157,11 @@ extern int __must_check td_io_get_file_size(struct thread_data *, struct fio_fil
 extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
 extern void register_ioengine(struct ioengine_ops *);
 extern void unregister_ioengine(struct ioengine_ops *);
+extern void free_ioengine(struct thread_data *);
 extern void close_ioengine(struct thread_data *);
 
+extern int fio_show_ioengine_help(const char *engine);
+
 /*
  * io unit handling
  */