This patch prevents VM I/Os from blocking a CPG_EVENT_DELIVER event. Signed-off-by: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> --- sheep/group.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/sheep/group.c b/sheep/group.c index ab253a6..eb0c4e2 100644 --- a/sheep/group.c +++ b/sheep/group.c @@ -1567,12 +1567,15 @@ do_retry: goto do_retry; if (cpg_event_running() || cpg_event_suspended() || - list_empty(&sys->cpg_event_siblings) || sys->nr_outstanding_io) + list_empty(&sys->cpg_event_siblings)) return; cevent = list_first_entry(&sys->cpg_event_siblings, struct cpg_event, cpg_event_list); + if (cevent->ctype == CPG_EVENT_CONCHG && sys->nr_outstanding_io) + return; + list_del(&cevent->cpg_event_list); sys->cur_cevent = cevent; -- 1.7.2.5 |