btrfs: raid56: make __raid_recover_endio_io() subpage compatible

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This involves:

- Use sector_ptr interface to grab the pointers

- Add sector->pgoff to pointers[]

- Rebuild data using sectorsize instead of PAGE_SIZE

- Use memcpy() to replace copy_page()

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 19:23:23 +08:00 • committed by David Sterba

parent 46900662d0

commit 07e4d38080

1 changed files with 28 additions and 23 deletions

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fs/btrfs/raid56.c

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