Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>
Index: btrfs-unstable/extent_map.c
===================================================================
--- btrfs-unstable.orig/extent_map.c 2008-06-10 14:37:48.000000000 +0200
+++ btrfs-unstable/extent_map.c 2008-06-10 14:38:12.000000000 +0200
@@ -231,7 +231,13 @@ struct extent_map *lookup_extent_mapping
{
struct extent_map *em;
struct rb_node *rb_node;
- struct rb_node *prev = NULL; struct rb_node *next = NULL; u64 end =
range_end(start, len); em = tree->last; if (em && end > em->start && start <
extent_map_end(em)) goto found;
+ struct rb_node *prev = NULL;
+ struct rb_node *next = NULL;
+ u64 end = range_end(start, len);
+
+ em = tree->last;
+ if (em && end > em->start && start < extent_map_end(em))
+ goto found;
rb_node = __tree_search(&tree->map, start, &prev, &next);
if (!rb_node && prev) {
--
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