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| author | Jan Höppner <hoeppner@linux.ibm.com> | 2019-06-27 14:33:17 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2019-07-11 20:39:54 +0200 |
| commit | bcf36768ea688e926b04639c88c77d8caea3b736 (patch) | |
| tree | b82414bf752734689a3ce9a8396e33addcf117f7 /drivers/s390/block | |
| parent | s390/dasd: Add missing intensity definition (diff) | |
| download | linux-bcf36768ea688e926b04639c88c77d8caea3b736.tar.xz linux-bcf36768ea688e926b04639c88c77d8caea3b736.zip | |
s390/dasd: Add dasd_sleep_on_queue_interruptible()
There is dasd_sleep_on() and dasd_sleep_on_interruptible() to start CCW
requests uninterruptible and interruptible. However, there is only
dasd_sleep_on_queue() to start requests from CCW queues uninterruptible.
Add dasd_sleep_on_queue_interruptible() to provide a way to start
requests from CCW queues interruptible. _dasd_sleep_on_queue() already
provides this functionality.
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'drivers/s390/block')
| -rw-r--r-- | drivers/s390/block/dasd.c | 9 | ||||
| -rw-r--r-- | drivers/s390/block/dasd_int.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1c7da4342461..065f7b0ff0dc 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -2523,6 +2523,15 @@ int dasd_sleep_on_queue(struct list_head *ccw_queue) EXPORT_SYMBOL(dasd_sleep_on_queue); /* + * Start requests from a ccw_queue and wait interruptible for their completion. + */ +int dasd_sleep_on_queue_interruptible(struct list_head *ccw_queue) +{ + return _dasd_sleep_on_queue(ccw_queue, 1); +} +EXPORT_SYMBOL(dasd_sleep_on_queue_interruptible); + +/* * Queue a request to the tail of the device ccw_queue and wait * interruptible for it's completion. */ diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 3f7c3b9dcae6..9a8ef372535b 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -748,6 +748,7 @@ 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_queue_interruptible(struct list_head *); int dasd_sleep_on_interruptible(struct dasd_ccw_req *); void dasd_device_set_timer(struct dasd_device *, int); void dasd_device_clear_timer(struct dasd_device *); |