btrfs: raid56: make finish_parity_scrub() subpage compatible

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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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Qu Wenruo 2022-04-01 19:23:22 +08:00 • committed by David Sterba

parent 3e77605d6a

commit 46900662d0

1 changed files with 32 additions and 24 deletions

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fs/btrfs/raid56.c

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