btrfs: move block_group_item::used to block group

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For unknown reasons, the member 'used' in the block group struct is
stored in the b-tree item and accessed everywhere using the special
accessor helper. Let's unify it and make it a regular member and only
update the item before writing it to the tree.

The item is still being used for flags and chunk_objectid, there's some
duplication until the item is removed in following patches.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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This commit is contained in:

David Sterba 2019-10-23 18:48:11 +02:00

parent 34b127aecd

commit bf38be65f3

11 changed files with 42 additions and 34 deletions

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5

include/trace/events/btrfs.h

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