Hi, In clear_state_cb, we should check ''tree->ops->clear_bit_hook'' instead of ''tree->ops->set_bit_hook''. -- Thanks & Best Regards Liu Hui -- diff --git a/extent_io.c b/extent_io.c index 25ce2d1..0bf7684 100644 --- a/extent_io.c +++ b/extent_io.c @@ -340,7 +340,7 @@ static void clear_state_cb(struct extent_io_tree *tree, struct extent_state *state, unsigned long bits) { - if (tree->ops && tree->ops->set_bit_hook) { + if (tree->ops && tree->ops->clear_bit_hook) { tree->ops->clear_bit_hook(tree->mapping->host, state->start, state->end, state->state, bits); } -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html