bcachefs: bch2_btree_iter_peek_prev()

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Last of the basic operations for iterating forwards and backwards over
the btree: we now have
 - peek(),	returns key >= iter->pos
 - next(),	returns key >  iter->pos
 - peek_prev(),	returns key <= iter->pos
 - prev(),	returns key < iter->pos

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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Kent Overstreet 2019-09-07 17:17:21 -04:00 • committed by Kent Overstreet

parent 6cc3535dcb

commit ccf5a10958

2 changed files with 60 additions and 23 deletions

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81

fs/bcachefs/btree_iter.c

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2

fs/bcachefs/btree_iter.h

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