| From: "Yan, Zheng" <zyan@redhat.com> |
| 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. |
| |
| Signed-off-by: "Yan, Zheng" <zyan@redhat.com> |
| Signed-off-by: Ilya Dryomov <idryomov@gmail.com> |
| Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
| --- |
| fs/ceph/caps.c | 1 - |
| 1 file changed, 1 deletion(-) |
| |
| --- a/fs/ceph/caps.c |
| +++ b/fs/ceph/caps.c |
| @@ -2830,7 +2830,6 @@ 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) |