Requests depending on a failed request would end up waiting forever. This fixes the error path to continue dependent requests even when the request has failed.
Signed-off-by: Kevin Wolf <kw...@redhat.com> --- block/qcow2.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index f26f7b6..8aed310 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -593,13 +593,12 @@ static int qcow2_co_writev(BlockDriverState *bs, } ret = qcow2_alloc_cluster_link_l2(bs, &l2meta); - - run_dependent_requests(s, &l2meta); - if (ret < 0) { goto fail; } + run_dependent_requests(s, &l2meta); + remaining_sectors -= cur_nr_sectors; sector_num += cur_nr_sectors; bytes_done += cur_nr_sectors * 512; @@ -607,6 +606,8 @@ static int qcow2_co_writev(BlockDriverState *bs, ret = 0; fail: + run_dependent_requests(s, &l2meta); + qemu_co_mutex_unlock(&s->lock); qemu_iovec_destroy(&hd_qiov); -- 1.7.6