[PATCH 1/7] ubi: block: Refactor sg list processing for highmem

[Richard Weinberger]

----- Ursprüngliche Mail -----
> Von: "Christoph Hellwig" <hch at infradead.org>
>> Refactor ubi_eba_read_leb_sg() to use kmap_atomic() for sg list
>> access.
>> Since kmap_atomic() disables preempt a bounce buffer is needed.
>> kmap_local_page() is not used to allow easy backporting of this patch
>> to older kernels.
>> 
>> The followup patches in this series will switch to kmap_sg()
>> and we can remove our own helper and the bounce buffer.
> 
> Please just use kmap_local and avoid the bounce buffering.

Patch 6 does this.

Thanks,
//richard