s390/dasd: improve speed of dasdfmt
Reorganize format IO requests and enable usage of PAV.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 899e3f5..0785bd9 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -300,10 +300,11 @@
* Last things to do when a device is set online, and first things
* when it is set offline.
*/
- int (*ready_to_online) (struct dasd_device *);
+ int (*basic_to_ready) (struct dasd_device *);
int (*online_to_ready) (struct dasd_device *);
+ int (*ready_to_basic) (struct dasd_device *);
- /*
+ /* (struct dasd_device *);
* Device operation functions. build_cp creates a ccw chain for
* a block device request, start_io starts the request and
* term_IO cancels it (e.g. in case of a timeout). format_device
@@ -317,8 +318,8 @@
int (*start_IO) (struct dasd_ccw_req *);
int (*term_IO) (struct dasd_ccw_req *);
void (*handle_terminated_request) (struct dasd_ccw_req *);
- struct dasd_ccw_req *(*format_device) (struct dasd_device *,
- struct format_data_t *);
+ int (*format_device) (struct dasd_device *,
+ struct format_data_t *);
int (*free_cp) (struct dasd_ccw_req *, struct request *);
/*
@@ -672,6 +673,7 @@
void dasd_schedule_device_bh(struct dasd_device *);
void dasd_schedule_block_bh(struct dasd_block *);
int dasd_sleep_on(struct dasd_ccw_req *);
+int dasd_sleep_on_queue(struct list_head *);
int dasd_sleep_on_immediatly(struct dasd_ccw_req *);
int dasd_sleep_on_interruptible(struct dasd_ccw_req *);
void dasd_device_set_timer(struct dasd_device *, int);