free_some_buffer() should not free dirty extent buffers. They should be left for later commit. Signed-off-by: Naohiro Aota <naota@elisp.net> --- extent_io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/extent_io.c b/extent_io.c index a127e54..8a668be 100644 --- a/extent_io.c +++ b/extent_io.c @@ -552,7 +552,7 @@ static int free_some_buffers(struct extent_io_tree *tree) list_for_each_safe(node, next, &tree->lru) { eb = list_entry(node, struct extent_buffer, lru); - if (eb->refs == 1) { + if (eb->refs == 1 && !(eb->flags && EXTENT_DIRTY)) { free_extent_buffer(eb); if (tree->cache_size < cache_hard_max) break; -- 2.0.4 -- 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