s390 patches for -bk.

[Martin Schwidefsky <schwidefsky@de.ibm.com>]

Hi Andrew,
I have 12 patches for -bk. The first 7 are bug fixes and small improvements.
The remaining 5 pathces are new features. I'd suggest to push the bug fixes
to -bk right away (probably minus the zfcp one since it isn't really small
and we are quite late into 2.6.9 already) and keep the new features back
for early 2.6.10 and add them to -mm in the meantime.

Short overview:
1) s390 core changes
2) common i/o layer bug fixes
3) dasd driver bug fixes
4) monitor stream stack reduction
5) add module parameter for dcss block driver
6) qeth driver bug fix.
7) zfcp adapter bug fixes.

8) layer 2 support for osa-express cards (qeth driver)
9) z/VM watchdog timer support (new driver)
10) z/VM log reader support (new driver)
11) add support for zero-pad and crypto express II (crypto driver)
12) add support to read z/VM monitor records (new driver)

blue skies,
  Martin.