Re: [PATCH v4 1/5] btrfs: use the page-cache for super block reading

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On 06/02/2020 15:58, Christoph Hellwig wrote:
> Also I just noticed don't even need the kmap/kunmap at all given that the
> block device mapping is never in highmem.
> 

This potentially touches more places, I'll cover that in a dedicated 
patchset.




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