Re: [PATCH V2 6/8] btrfs: use memcpy_[to|from]_page() and kmap_local_page()

Looks good, Reviewed-by: Christoph Hellwig

[PATCH V2 6/8] btrfs: use memcpy_[to|from]_page() and kmap_local_page()

From: Ira Weiny There are many places where the pattern kmap/memcpy/kunmap occurs. This pattern was lifted to the core common functions memcpy_[to|from]_page(). Use these new functions to reduce the code, eliminate direct uses of kmap, and leverage the new core functions use of