btrfs: scrub: introduce a helper to locate an extent item

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The new helper, find_first_extent_item(), will locate an extent item
(either EXTENT_ITEM or METADATA_ITEM) which covers any byte of the
search range.

This helper will later be used to refactor scrub code.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2022-03-11 15:38:42 +08:00 • committed by David Sterba

parent 1194a82481

commit 416bd7e7af

1 changed files with 107 additions and 0 deletions

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fs/btrfs/scrub.c

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