From 5f6ce5ea8393c0826c0c0b85278ff1d49b94da69 Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Thu, 29 Nov 2018 11:22:50 +0800 Subject: ceph: don't update importing cap's mseq when handing cap export commit 3c1392d4c49962a31874af14ae9ff289cb2b3851 upstream. Updating mseq makes client think importer mds has accepted all prior cap messages and importer mds knows what caps client wants. Actually some cap messages may have been dropped because of mseq mismatch. If mseq is left untouched, importing cap's mds_wanted later will get reset by cap import message. Cc: stable@vger.kernel.org Signed-off-by: "Yan, Zheng" Signed-off-by: Ilya Dryomov Signed-off-by: Greg Kroah-Hartman --- fs/ceph/caps.c | 1 - 1 file changed, 1 deletion(-) (limited to 'fs/ceph/caps.c') diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 0e3de1bb6500..e7b54514d99a 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3243,7 +3243,6 @@ retry: tcap->cap_id = t_cap_id; tcap->seq = t_seq - 1; tcap->issue_seq = t_seq - 1; - tcap->mseq = t_mseq; tcap->issued |= issued; tcap->implemented |= issued; if (cap == ci->i_auth_cap) -- cgit v1.2.3