Btrfs: actually limit the size of delalloc range

[karo-tx-linux.git] / fs / btrfs / extent_io.c

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 09582b81640cc8e02ced7ea7c8ec6b22acdc8dba..c09a40db53dbf8dff60ed9c942c217ca6546b058 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1481,10 +1481,12 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree,
                *end = state->end;
                cur_start = state->end + 1;
                node = rb_next(node);
-               if (!node)
-                       break;
                total_bytes += state->end - state->start + 1;
-               if (total_bytes >= max_bytes)
+               if (total_bytes >= max_bytes) {
+                       *end = *start + max_bytes - 1;
+                       break;
+               }
+               if (!node)
                        break;
        }
 out: