Commit cd5acf0b authored Aug 09, 2013 by Joe Thornber Committed by Mike Snitzer Aug 23, 2013

dm btree: use pop_frame in dm_btree_del to cleanup code



Remove a visited leaf straight away from the stack, rather than
marking all it's children as visited and letting it get removed on the
next iteration.  May also offer a micro optimisation in dm_btree_del.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

parent c9ec5d7c

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -287,7 +287,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
		info->value_type.dec(info->value_type.context,
		value_ptr(f->n, i));
		}
		f->current_child = f->nr_children;
		pop_frame(s);
		}
		}