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| author | Yan, Zheng <zyan@redhat.com> | 2017-08-28 15:07:42 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2017-09-06 19:56:53 +0200 |
| commit | fa0aa3b839b922c7bb911dbe2435da2a4e59d82d (patch) | |
| tree | 41bd7b7f3c2766b2c03c516b99b6e17f77268fb2 /fs | |
| parent | c858a0709f991171256db74f4329a1cb8e823764 (diff) | |
| download | linux-fa0aa3b839b922c7bb911dbe2435da2a4e59d82d.tar.bz2 | |
ceph: fix message order check in handle_cap_export()
If caps for importer mds exists, but cap id mismatch, client should
have received corresponding import message. Because cap ID does not
change as long as client holds the caps.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/caps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 5daf86621871..7a7945032802 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3427,7 +3427,7 @@ retry: tcap = __get_cap_for_mds(ci, target); if (tcap) { /* already have caps from the target */ - if (tcap->cap_id != t_cap_id || + if (tcap->cap_id == t_cap_id && ceph_seq_cmp(tcap->seq, t_seq) < 0) { dout(" updating import cap %p mds%d\n", tcap, target); tcap->cap_id = t_cap_id; |