Messages in this thread |  | | Date | Fri, 19 Oct 2001 15:13:31 +0200 | From | Jens Axboe <> | Subject | Re: [patch] block highmem zero-bounce #17 |
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On Fri, Oct 19 2001, Andreas Schwab wrote: > using a private struct. Why did you switch to struct scatterlist in the > first place??
BTW, let me expand on this one. The sg_list change was dropped, davem and I decided to evolve the current scatterlist in two steps:
- add ->page and ->offset and have the PCI DMA mapping interface use that if available. This step has already been taken with the pci64 patches.
- Remove ->address completely. This step must be taken to ensure that drivers will be highmem safe. Period. Don't know when we will do this yet.
-- Jens Axboe
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