diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/extent-io-tree.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/btrfs/extent-io-tree.c b/fs/btrfs/extent-io-tree.c index f9f7cf028ffb..ea149be28dff 100644 --- a/fs/btrfs/extent-io-tree.c +++ b/fs/btrfs/extent-io-tree.c @@ -885,10 +885,19 @@ bool find_first_extent_bit(struct extent_io_tree *tree, u64 start, if (state->end == start - 1 && extent_state_in_tree(state)) { while ((state = next_state(state)) != NULL) { if (state->state & bits) - goto got_it; + break; } + /* + * If we found the next extent state, clear cached_state + * so that we can cache the next extent state below and + * avoid future calls going over the same extent state + * again. If we haven't found any, clear as well since + * it's now useless. + */ free_extent_state(*cached_state); *cached_state = NULL; + if (state) + goto got_it; goto out; } free_extent_state(*cached_state); |