ctcm: suspend has to wait for outstanding I/O
State transition to DEV_STATE_STOPPED indicates all outstanding I/O has
finished. Add wait queue to wait for this state.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/fsm.h b/drivers/s390/net/fsm.h
index af679c1..1e8b235 100644
--- a/drivers/s390/net/fsm.h
+++ b/drivers/s390/net/fsm.h
@@ -66,6 +66,7 @@
char name[16];
void *userdata;
int userint;
+ wait_queue_head_t wait_q;
#if FSM_DEBUG_HISTORY
int history_index;
int history_size;
@@ -197,6 +198,7 @@
printk(KERN_DEBUG "fsm(%s): New state %s\n", fi->name,
fi->f->state_names[newstate]);
#endif
+ wake_up(&fi->wait_q);
}
/**