btrfs: qgroup: Refactor btrfs_qgroup_trace_subtree_swap

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Refactor btrfs_qgroup_trace_subtree_swap() into
qgroup_trace_subtree_swap(), which only needs two extent buffer and some
other bool to control the behavior.

This provides the basis for later delayed subtree scan work.

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

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Qu Wenruo 2019-01-23 15:15:15 +08:00 • committed by David Sterba

parent d2311e6985

commit 5aea1a4fcf

1 changed files with 56 additions and 21 deletions

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fs/btrfs/qgroup.c

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