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[S390] qdio: move ACK to newest buffer for devices without QEBSM
authorJan Glauber <jang@linux.vnet.ibm.com>
Thu, 26 Mar 2009 14:24:28 +0000 (15:24 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 26 Mar 2009 14:24:21 +0000 (15:24 +0100)
commit34148962653e1cc2b213dc6e7f041a5c8e05c191
treeb5c145145d55b278b7ae4fcbf544518895a00ca7tree | snapshot
parent1c37560e0bc7151bd0a82a49d1cffc54c12e46d6commit | diff
[S390] qdio: move ACK to newest buffer for devices without QEBSM

The ACKnowledgement state should be set on the newest SBAL so an
adapter interrupt surpression check needs to scan fewer SBALs.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/qdio_main.c diff | blob | history
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