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authorSebastian Ott <sebott@linux.vnet.ibm.com>2012-10-15 14:24:56 +0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-10-18 19:50:08 +0400
commitcec8546638dc634824b629e33968d6c68f8b07d6 (patch)
treeeb97150bedd22afb3ee503e6b6bf159a65fc8ee8 /drivers/s390/cio/idset.h
parentaa92b33c6b93b5ef4ccbaa72afa9c387a96c2ee2 (diff)
downloadlinux-cec8546638dc634824b629e33968d6c68f8b07d6.tar.xz
s390/css: stop stsch loop after cc 3
Receiving cc=3 from store subchannel means 2 things: * the subchannel is not provided * there are no further subchannels in this subchannel set With this patch we abort the store subchannel loop after cc=3 (or an exception) and clear the subsequent bits in the subchannel id set. Reported-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/idset.h')
-rw-r--r--drivers/s390/cio/idset.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h
index 3d943f03591e..06d3bc01bb09 100644
--- a/drivers/s390/cio/idset.h
+++ b/drivers/s390/cio/idset.h
@@ -1,5 +1,5 @@
/*
- * Copyright IBM Corp. 2007
+ * Copyright IBM Corp. 2007, 2012
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/
@@ -17,6 +17,7 @@ void idset_fill(struct idset *set);
struct idset *idset_sch_new(void);
void idset_sch_add(struct idset *set, struct subchannel_id id);
void idset_sch_del(struct idset *set, struct subchannel_id id);
+void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid);
int idset_sch_contains(struct idset *set, struct subchannel_id id);
int idset_sch_get_first(struct idset *set, struct subchannel_id *id);
int idset_is_empty(struct idset *set);