Qu Wenruo ffb9e0f05f btrfs: block-group: Refactor btrfs_read_block_groups()
Refactor the work inside the loop of btrfs_read_block_groups() into one
separate function, read_one_block_group().

This allows read_one_block_group to be reused for later BG_TREE feature.

The refactor does the following extra fix:
- Use btrfs_fs_incompat() to replace open-coded feature check

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2019-11-18 17:51:50 +01:00
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