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ctcm: suspend has to wait for outstanding I/O

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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>
This commit is contained in:
Frank Blaschka
2009-11-12 21:46:28 +00:00
committed by David S. Miller
parent b7c2aecc07
commit 1e1815be87
3 changed files with 8 additions and 0 deletions
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1
drivers/s390/net/fsm.c
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@@ -27,6 +27,7 @@ init_fsm(char *name, const char **state_names, const char **event_names, int nr_
return NULL;
}
strlcpy(this->name, name, sizeof(this->name));
init_waitqueue_head(&this->wait_q);
f = kzalloc(sizeof(fsm), order);
if (f == NULL) {