btrfs: backref: implement btrfs_backref_iter_next()

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This function will go to the next inline/keyed backref for
btrfs_backref_iter infrastructure.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.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 2020-02-13 15:04:04 +08:00 • committed by David Sterba

parent a37f232b7b

commit c39c2ddc67

2 changed files with 94 additions and 0 deletions

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60

fs/btrfs/backref.c

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34

fs/btrfs/backref.h

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