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Subject[patch] block highmem zero-bounce #17

Ingo reported a severe 3ware corruption bug today which I've fixed, so
it seemed due time for a new version of the patch.

- Fix scsi_merge not setting sg->address for "legacy" drivers not using
the PCI DMA interface. Stupid bug, since the entire I/O path is
supposed to remain untouched (basically) for drivers not enabling
highmem... I really think this is the last of such bugs. (me)

- Add 'nohighio' boot flag to disable I/O to highmem I/O. x86 only (me)

- Finally remember to reverse size/offset arguments in cciss and
cpqarray. Fixed a long time ago, forgot to commit to the tree... (me,
arjan, others)

- aic7xxx uses wrong DMA mask (arjan)

- Remove SCSI host single_sg_ok, it is implied by can_dma_32 anyways

- Enable can_dma_32 on aic7xxx_old (arjan)

Patch is considered solid. Find it here:


Jens Axboe

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