Re: [PATCH V2 8/8] btrfs: convert to zero_user()

Looks good, Reviewed-by: Christoph Hellwig

[PATCH V2 8/8] btrfs: convert to zero_user()

From: Ira Weiny There are many places where kmap/memset/kunmap patterns occur. This pattern exists in the core as zero_user() Use zero_user() to eliminate direct uses of kmap and leverage the new core functions use of kmap_local_page(). The development of this patch was aided by the following