btrfs: reloc: refactor indirect tree backref processing into its own function

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The processing of indirect tree backref (TREE_BLOCK_REF) is the most
complex work.

We need to grab the fs root, do a tree search to locate all its parent
nodes, link all needed edges, and put all uncached edges to pending edge
list.

This is definitely worth a helper function.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
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 2020-03-05 14:22:43 +08:00 • committed by David Sterba

parent 4007ea87d9

commit 4d81ea8bb4

1 changed files with 159 additions and 135 deletions

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fs/btrfs/relocation.c

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