btrfs: add a btrfs_block_group_root() helper

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With extent tree v2 we will have a separate root to hold the block group
items.  Add a btrfs_block_group_root() that will return the appropriate
root given the flags of the fs, and convert all functions that need to
modify block group items to use the helper.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2021-11-05 16:45:36 -04:00 • committed by David Sterba

parent 9f05c09d6b

commit dfe8aec452

2 changed files with 15 additions and 9 deletions

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19

fs/btrfs/block-group.c

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5

fs/btrfs/disk-io.h

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