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H A D | raid56.c | diff 46900662d02f416fc49d21a4fe816df4b6507db1 Fri Apr 01 13:23:22 CEST 2022 Qu Wenruo <wqu@suse.com> btrfs: raid56: make finish_parity_scrub() subpage compatible
The core is to convert direct page usage into sector_ptr usage, and use memcpy() to replace copy_page().
For pointers usage, we need to convert it to kmap_local_page() + sector->pgoff.
Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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