s390/scm_block: use mempool to manage aidaw requests
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Fri, 5 Dec 2014 15:32:13 +0000 (16:32 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 8 Dec 2014 08:42:43 +0000 (09:42 +0100)
We currently use one preallocated page per HW request to store
aidaws. With this patch we use mempool to allocate an aidaw page
whenever we need it.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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