Signed-off-by: Kirill Tkhai <[email protected]>
---
drivers/md/dm-ploop.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/md/dm-ploop.h b/drivers/md/dm-ploop.h
index 972f91b97c62..c26641ce4e2b 100644
--- a/drivers/md/dm-ploop.h
+++ b/drivers/md/dm-ploop.h
@@ -400,6 +400,17 @@ static inline u32 page_clu_idx_to_bat_clu(u32 page_id, u32
cluster_rel)
return off + cluster_rel;
}
+static inline struct md_page *md_first_entry(struct rb_root *md_root)
+{
+ struct rb_node *node = rb_first(md_root);
+ return rb_entry(node, struct md_page, node);
+}
+static inline struct md_page *md_next_entry(struct md_page *md)
+{
+ return rb_entry(rb_next(&md->node), struct md_page, node);
+}
+
+
extern struct md_page * md_page_find(struct ploop *ploop, u32 id);
/*
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