btrfs: block-group: Refactor btrfs_read_block_groups()

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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>

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Qu Wenruo 2019-10-10 10:39:27 +08:00 • committed by David Sterba

parent d4e253bbbc

commit ffb9e0f05f

1 changed files with 108 additions and 111 deletions

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fs/btrfs/block-group.c

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