diff options
| author | Benny Halevy <bhalevy@panasas.com> | 2011-10-19 19:12:58 -0700 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-10-24 04:24:27 -0400 |
| commit | 5423732a71577f7860c56a4eea2c34ff162ddd73 (patch) | |
| tree | 5d7af992af7ff974796288272ce2604dad8f1284 /fs/nfsd | |
| parent | 8b289b2c2355c3bea75f3e499b4aa251a3191382 (diff) | |
| download | lwn-5423732a71577f7860c56a4eea2c34ff162ddd73.tar.gz lwn-5423732a71577f7860c56a4eea2c34ff162ddd73.zip | |
nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalid
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 10 | ||||
| -rw-r--r-- | fs/nfsd/nfs4state.c | 8 | ||||
| -rw-r--r-- | fs/nfsd/state.h | 1 |
3 files changed, 18 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index de018ecadae6..7748d6a18d97 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -39,6 +39,8 @@ #define NFSDDBG_FACILITY NFSDDBG_PROC +static void nfsd4_mark_cb_fault(struct nfs4_client *, int reason); + #define NFSPROC4_CB_NULL 0 #define NFSPROC4_CB_COMPOUND 1 @@ -460,6 +462,8 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr, */ status = 0; out: + if (status) + nfsd4_mark_cb_fault(cb->cb_clp, status); return status; out_overflow: print_overflow_msg(__func__, xdr); @@ -686,6 +690,12 @@ static void nfsd4_mark_cb_down(struct nfs4_client *clp, int reason) warn_no_callback_path(clp, reason); } +static void nfsd4_mark_cb_fault(struct nfs4_client *clp, int reason) +{ + clp->cl_cb_state = NFSD4_CB_FAULT; + warn_no_callback_path(clp, reason); +} + static void nfsd4_cb_probe_done(struct rpc_task *task, void *calldata) { struct nfs4_client *clp = container_of(calldata, struct nfs4_client, cl_cb_null); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index e8c2a3ec0e60..b51ad43b7ea1 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1945,8 +1945,14 @@ out: nfsd4_get_session(cstate->session); atomic_inc(&clp->cl_refcount); - if (clp->cl_cb_state == NFSD4_CB_DOWN) + switch (clp->cl_cb_state) { + case NFSD4_CB_DOWN: seq->status_flags |= SEQ4_STATUS_CB_PATH_DOWN; + break; + case NFSD4_CB_FAULT: + seq->status_flags |= SEQ4_STATUS_BACKCHANNEL_FAULT; + break; + } } kfree(conn); spin_unlock(&client_lock); diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 1a5820066040..a3cf38476a1b 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -258,6 +258,7 @@ struct nfs4_client { #define NFSD4_CB_UP 0 #define NFSD4_CB_UNKNOWN 1 #define NFSD4_CB_DOWN 2 +#define NFSD4_CB_FAULT 3 int cl_cb_state; struct nfsd4_callback cl_cb_null; struct nfsd4_session *cl_cb_session; |