| commit | bbc610a96524fbfa4ed38c4b1fc6348a1169f358 | [log] [tgz] |
|---|---|---|
| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | Fri Dec 05 16:43:58 2014 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Mon Dec 08 09:42:46 2014 +0100 |
| tree | dddbd956b535c2672bfc19f4679dcffac095a77d | |
| parent | de88d0d28fe932637eb5b7ebf9e638256cf07979 [diff] |
s390/scm_block: handle multiple requests in one HW request Handle up to 8 block layer requests per HW request. These requests can be processed in parallel on the device leading to better throughput (and less interrupts). The overhead for additional requests is small since we don't blindly allocate new aidaws but try to use what's left of the previous one. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>