summaryrefslogtreecommitdiff
path: root/drivers/md/persistent-data/dm-btree.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/md/persistent-data/dm-btree.h
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/md/persistent-data/dm-btree.h')
-rw-r--r--drivers/md/persistent-data/dm-btree.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/dm-btree.h b/drivers/md/persistent-data/dm-btree.h
index dacfc3418..11d8cf786 100644
--- a/drivers/md/persistent-data/dm-btree.h
+++ b/drivers/md/persistent-data/dm-btree.h
@@ -135,6 +135,15 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root,
uint64_t *keys, dm_block_t *new_root);
/*
+ * Removes values between 'keys' and keys2, where keys2 is keys with the
+ * final key replaced with 'end_key'. 'end_key' is the one-past-the-end
+ * value. 'keys' may be altered.
+ */
+int dm_btree_remove_leaves(struct dm_btree_info *info, dm_block_t root,
+ uint64_t *keys, uint64_t end_key,
+ dm_block_t *new_root, unsigned *nr_removed);
+
+/*
* Returns < 0 on failure. Otherwise the number of key entries that have
* been filled out. Remember trees can have zero entries, and as such have
* no lowest key.