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| author | Stefan Haberland <stefan.haberland@de.ibm.com> | 2013-04-15 16:22:23 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-04-17 14:07:34 +0200 |
| commit | d42e17129b9f473386d67c6a6549c28bd0e2b52e (patch) | |
| tree | cc410d624cd4ede3dcc88ac93d6793d8e566fa93 /drivers/s390/block/dasd_int.h | |
| parent | e5dcf0025d7af58f525590ac86ac27cb44714e8d (diff) | |
| download | blackbird-op-linux-d42e17129b9f473386d67c6a6549c28bd0e2b52e.tar.gz blackbird-op-linux-d42e17129b9f473386d67c6a6549c28bd0e2b52e.zip | |
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>
Diffstat (limited to 'drivers/s390/block/dasd_int.h')
| -rw-r--r-- | drivers/s390/block/dasd_int.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 899e3f5a56e5..0785bd9bd5b6 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -300,10 +300,11 @@ struct dasd_discipline { * 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 @@ struct dasd_discipline { 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 @@ int dasd_term_IO(struct dasd_ccw_req *); 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); |
