summaryrefslogtreecommitdiff
path: root/fs/bcachefs/btree_iter.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bcachefs/btree_iter.h')
-rw-r--r--fs/bcachefs/btree_iter.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h
index 78e63ad7d380..31a58bf46fdb 100644
--- a/fs/bcachefs/btree_iter.h
+++ b/fs/bcachefs/btree_iter.h
@@ -857,6 +857,14 @@ struct bkey_s_c bch2_btree_iter_peek_and_restart_outlined(struct btree_iter *);
for_each_btree_key_upto_norestart(_trans, _iter, _btree_id, _start,\
SPOS_MAX, _flags, _k, _ret)
+#define for_each_btree_key_reverse_norestart(_trans, _iter, _btree_id, \
+ _start, _flags, _k, _ret) \
+ for (bch2_trans_iter_init((_trans), &(_iter), (_btree_id), \
+ (_start), (_flags)); \
+ (_k) = bch2_btree_iter_peek_prev_type(&(_iter), _flags), \
+ !((_ret) = bkey_err(_k)) && (_k).k; \
+ bch2_btree_iter_rewind(&(_iter)))
+
#define for_each_btree_key_continue_norestart(_iter, _flags, _k, _ret) \
for_each_btree_key_upto_continue_norestart(_iter, SPOS_MAX, _flags, _k, _ret)