diff options
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 7729d092c8a5..9295c4b56bce 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1109,6 +1109,36 @@ nfsd41_copy_replay_data(struct nfsd4_compoundres *resp, } /* + * Encode the replay sequence operation from the slot values. + * If cachethis is FALSE encode the uncached rep error on the next + * operation which sets resp->p and increments resp->opcnt for + * nfs4svc_encode_compoundres. + * + */ +static __be32 +nfsd4_enc_sequence_replay(struct nfsd4_compoundargs *args, + struct nfsd4_compoundres *resp) +{ + struct nfsd4_op *op; + struct nfsd4_slot *slot = resp->cstate.slot; + + dprintk("--> %s resp->opcnt %d cachethis %u \n", __func__, + resp->opcnt, resp->cstate.slot->sl_cache_entry.ce_cachethis); + + /* Encode the replayed sequence operation */ + op = &args->ops[resp->opcnt - 1]; + nfsd4_encode_operation(resp, op); + + /* Return nfserr_retry_uncached_rep in next operation. */ + if (args->opcnt > 1 && slot->sl_cache_entry.ce_cachethis == 0) { + op = &args->ops[resp->opcnt++]; + op->status = nfserr_retry_uncached_rep; + nfsd4_encode_operation(resp, op); + } + return op->status; +} + +/* * Keep the first page of the replay. Copy the NFSv4.1 data from the first * cached page. Replace any futher replay pages from the cache. */ @@ -1131,10 +1161,12 @@ nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp, * session inactivity timer fires and a solo sequence operation * is sent (lease renewal). */ - if (seq && nfsd4_not_cached(resp)) { - seq->maxslots = resp->cstate.session->se_fchannel.maxreqs; - return nfs_ok; - } + seq->maxslots = resp->cstate.session->se_fchannel.maxreqs; + + /* Either returns 0 or nfserr_retry_uncached */ + status = nfsd4_enc_sequence_replay(resp->rqstp->rq_argp, resp); + if (status == nfserr_retry_uncached_rep) + return status; if (!nfsd41_copy_replay_data(resp, entry)) { /* |
