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| author | Weston Andros Adamson <dros@netapp.com> | 2012-05-24 21:42:17 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-06-20 14:59:39 +0200 |
| commit | 2411967305dbfb8930b9b9c11f55f6c1ef7361e1 (patch) | |
| tree | 516b0204138443a5207d71170a13cac333f87a32 /fs/nfsd | |
| parent | Merge tag 'mmc-fixes-for-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| download | linux-2411967305dbfb8930b9b9c11f55f6c1ef7361e1.tar.xz linux-2411967305dbfb8930b9b9c11f55f6c1ef7361e1.zip | |
nfsd: probe the back channel on new connections
Initiate a CB probe when a new connection with the correct direction is added
to a session (IFF backchannel is marked as down). Without this a
BIND_CONN_TO_SESSION has no effect on the internal backchannel state, which
causes the server to reply to every SEQUENCE op with the
SEQ4_STATUS_CB_PATH_DOWN flag set until DESTROY_SESSION.
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 94effd5bc4a1..8b80a10d4fc5 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -862,6 +862,11 @@ static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses, if (ret) /* oops; xprt is already down: */ nfsd4_conn_lost(&conn->cn_xpt_user); + if (ses->se_client->cl_cb_state == NFSD4_CB_DOWN && + dir & NFS4_CDFC4_BACK) { + /* callback channel may be back up */ + nfsd4_probe_callback(ses->se_client); + } return nfs_ok; } |