Add exit_on_io_done option to the CPU IO engine
The CPU IO engine is most often used to saturate the system,
while running an IO load on it. As such, it's useful to have
CPU engine threads exit automatically, when IO has completed.
Add exit_on_io_done as a CPU IO engine option for that purpose.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/fio.h b/fio.h
index a539f21..3df5bd9 100644
--- a/fio.h
+++ b/fio.h
@@ -72,6 +72,7 @@
TD_F_VER_NONE = 32,
TD_F_PROFILE_OPS = 64,
TD_F_COMPRESS = 128,
+ TD_F_NOIO = 256,
};
enum {
@@ -439,6 +440,7 @@
extern char *num2str(unsigned long, int, int, int, int);
extern int ioengine_load(struct thread_data *);
extern int parse_dryrun(void);
+extern int fio_running_or_pending_io_threads(void);
extern uintptr_t page_mask;
extern uintptr_t page_size;