btrfs: tree-checker: Add EXTENT_DATA_REF check

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EXTENT_DATA_REF is a little like DIR_ITEM which contains hash in its
key->offset.

This patch will check the following contents:
- Key->objectid
  Basic alignment check.

- Hash
  Hash of each extent_data_ref item must match key->offset.

- Offset
  Basic alignment check.

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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This commit is contained in:

Qu Wenruo 2019-08-09 09:24:24 +08:00 • committed by David Sterba

parent e2406a6f13

commit 0785a9aacf

3 changed files with 50 additions and 1 deletions

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1

fs/btrfs/ctree.h

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2

fs/btrfs/extent-tree.c

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48

fs/btrfs/tree-checker.c

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