From 1d742aa51be07cebf1b0d19b6640684b263e6bfc Mon Sep 17 00:00:00 2001 From: YunfeiGuan Date: Wed, 26 Sep 2018 17:01:38 +0800 Subject: [PATCH] client: fix fuse client can't read or write data due its caps is invalid We can't do read or write if we don't have Fr or Fw.Similarly, if the caps is invalid, we can't read or wirte either. What's worse,the mds don't konw our cap gen is invalid and think client inode's caps is right.Thus will lead client application hung all the time. Fixes: http://tracker.ceph.com/issues/36189 Signed-off-by: Guan yunfei --- src/client/Client.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/client/Client.cc b/src/client/Client.cc index 82577eff64fe..d6b7a992d3ec 100644 --- a/src/client/Client.cc +++ b/src/client/Client.cc @@ -2748,7 +2748,8 @@ void Client::send_reconnect(MetaSession *session) cap.issue_seq = 0; // reset seq. cap.mseq = 0; // reset seq. cap.issued = cap.implemented; - + // cap gen should catch up with session cap_gen + cap.gen = cap.session->cap_gen; snapid_t snap_follows = 0; if (!in->cap_snaps.empty()) snap_follows = in->cap_snaps.begin()->first; -- 2.47.3