diff options
Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r-- | fs/ceph/mds_client.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 52d1b538c656..522790c64db4 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -3361,9 +3361,14 @@ static void handle_session(struct ceph_mds_session *session, if (msg_version >= 3) { u32 len; - /* version >= 2, metadata */ - if (__decode_session_metadata(&p, end, &blocklisted) < 0) + /* version >= 2 and < 5, decode metadata, skip otherwise + * as it's handled via flags. + */ + if (msg_version >= 5) + ceph_decode_skip_map(&p, end, string, string, bad); + else if (__decode_session_metadata(&p, end, &blocklisted) < 0) goto bad; + /* version >= 3, feature bits */ ceph_decode_32_safe(&p, end, len, bad); if (len) { @@ -3372,6 +3377,18 @@ static void handle_session(struct ceph_mds_session *session, } } + if (msg_version >= 5) { + u32 flags; + /* version >= 4, struct_v, struct_cv, len, metric_spec */ + ceph_decode_skip_n(&p, end, 2 + sizeof(u32) * 2, bad); + /* version >= 5, flags */ + ceph_decode_32_safe(&p, end, flags, bad); + if (flags & CEPH_SESSION_BLOCKLISTED) { + pr_warn("mds%d session blocklisted\n", session->s_mds); + blocklisted = true; + } + } + mutex_lock(&mdsc->mutex); if (op == CEPH_SESSION_CLOSE) { ceph_get_mds_session(session); |