Commit aa0cd28d authored Aug 07, 2015 by Joe Thornber Committed by Mike Snitzer Aug 07, 2015

dm btree remove: fix bug in remove_one()



remove_one() was not incrementing the key for the beginning of the
range, so not all entries were being removed.  This resulted in
discards that were not unmapping all blocks.

Fixes: 4ec331c3 ("dm btree: add dm_btree_remove_leaves()")
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent bd4aaf8f

drivers/md/persistent-data/dm-btree-remove.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -689,6 +689,7 @@ static int remove_one(struct dm_btree_info *info, dm_block_t root,
		value_ptr(n, index));

		delete_at(n, index);
		keys[last_level] = k + 1ull;

		} else
		r = -ENODATA;