Add verify trim support
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/trim.h b/trim.h
new file mode 100644
index 0000000..d0d7a8d
--- /dev/null
+++ b/trim.h
@@ -0,0 +1,37 @@
+#ifndef FIO_TRIM_H
+#define FIO_TRIM_H
+
+#include "fio.h"
+
+#ifdef FIO_HAVE_TRIM
+extern int __must_check get_next_trim(struct thread_data *td, struct io_u *io_u);
+extern int io_u_should_trim(struct thread_data *td, struct io_u *io_u);
+
+/*
+ * Determine whether a given io_u should be logged for verify or
+ * for discard
+ */
+static inline void remove_trim_entry(struct thread_data *td, struct io_piece *ipo)
+{
+ if (!flist_empty(&ipo->trim_list)) {
+ flist_del_init(&ipo->trim_list);
+ td->trim_entries--;
+ }
+}
+
+#else
+static inline int get_next_trim(struct thread_data *td, struct io_u *io_u)
+{
+ return 1;
+}
+static inline int io_u_should_trim(struct thread_data *td, struct io_u *io_u)
+{
+ return 0;
+}
+static inline void remove_trim_entry(struct thread_data *td, struct io_piece *ipo)
+{
+}
+#error foo
+#endif
+
+#endif