Branch b1_8_gate

b=12755,16494,16404
i=bzzz
i=adilger

several fixes in the sd_iostat patch:
- remove the limit of 256 scsi disks
- unloading/reloading the scsi low level driver triggers a kernel
  bug when trying to access the sd iostat file.
- REQ_BLOCK_PC requests are not handled properly causing memory corruption.

lustre/kernel_patches/series/2.6-suse-newer.series

 lustre-version-revert_suse.patch
 lustre_version.patch
 dev_read_only-2.6-lnxi.patch
-sd_iostats-2.6-rhel4.patch 
+sd_iostats-2.6-suse.patch 
 blkdev_tunables-2.6-suse.patch
 uml-exprt-clearuser.patch
 qsnet-suse-2.6.patch