diff options
| -rw-r--r-- | fs/lockd/host.c | 10 | ||||
| -rw-r--r-- | fs/lockd/svclock.c | 28 | ||||
| -rw-r--r-- | include/linux/sunrpc/svc.h | 13 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_sendto.c | 3 |
4 files changed, 40 insertions, 14 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c index ca6b16fc3101..f1ef49fff118 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -243,10 +243,18 @@ nlm_bind_host(struct nlm_host *host) .program = &nlm_program, .version = host->h_version, .authflavor = RPC_AUTH_UNIX, - .flags = (RPC_CLNT_CREATE_HARDRTRY | + .flags = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_AUTOBIND), }; + /* + * lockd retries server side blocks automatically so we want + * those to be soft RPC calls. Client side calls need to be + * hard RPC tasks. + */ + if (!host->h_server) + args.flags |= RPC_CLNT_CREATE_HARDRTRY; + clnt = rpc_create(&args); if (!IS_ERR(clnt)) host->h_rpcclnt = clnt; diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c index 2f4d8fa66689..fe9bdb4a220c 100644 --- a/fs/lockd/svclock.c +++ b/fs/lockd/svclock.c @@ -763,11 +763,20 @@ callback: dprintk("lockd: GRANTing blocked lock.\n"); block->b_granted = 1; - /* Schedule next grant callback in 30 seconds */ - nlmsvc_insert_block(block, 30 * HZ); + /* keep block on the list, but don't reattempt until the RPC + * completes or the submission fails + */ + nlmsvc_insert_block(block, NLM_NEVER); + + /* Call the client -- use a soft RPC task since nlmsvc_retry_blocked + * will queue up a new one if this one times out + */ + error = nlm_async_call(block->b_call, NLMPROC_GRANTED_MSG, + &nlmsvc_grant_ops); - /* Call the client */ - nlm_async_call(block->b_call, NLMPROC_GRANTED_MSG, &nlmsvc_grant_ops); + /* RPC submission failed, wait a bit and retry */ + if (error < 0) + nlmsvc_insert_block(block, 10 * HZ); } /* @@ -786,6 +795,17 @@ static void nlmsvc_grant_callback(struct rpc_task *task, void *data) dprintk("lockd: GRANT_MSG RPC callback\n"); + /* if the block is not on a list at this point then it has + * been invalidated. Don't try to requeue it. + * + * FIXME: it's possible that the block is removed from the list + * after this check but before the nlmsvc_insert_block. In that + * case it will be added back. Perhaps we need better locking + * for nlm_blocked? + */ + if (list_empty(&block->b_list)) + return; + /* Technically, we should down the file semaphore here. Since we * move the block towards the head of the queue only, no harm * can be done, though. */ diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 64c771056187..64c97552964a 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -409,16 +409,13 @@ char * svc_print_addr(struct svc_rqst *, char *, size_t); * for all cases without actually generating the checksum, so we just use a * static value. */ -static inline void -svc_reserve_auth(struct svc_rqst *rqstp, int space) +static inline void svc_reserve_auth(struct svc_rqst *rqstp, int space) { - int added_space = 0; + int added_space = 0; - switch(rqstp->rq_authop->flavour) { - case RPC_AUTH_GSS: - added_space = RPC_MAX_AUTH_SIZE; - } - return svc_reserve(rqstp, space + added_space); + if (rqstp->rq_authop->flavour) + added_space = RPC_MAX_AUTH_SIZE; + svc_reserve(rqstp, space + added_space); } #endif /* SUNRPC_SVC_H */ diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index 3e321949e1dc..0598b229c11d 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -159,7 +159,8 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp, BUG_ON(sge_count >= 32); dprintk("svcrdma: RDMA_WRITE rmr=%x, to=%llx, xdr_off=%d, " "write_len=%d, xdr_sge=%p, sge_count=%d\n", - rmr, to, xdr_off, write_len, xdr_sge, sge_count); + rmr, (unsigned long long)to, xdr_off, + write_len, xdr_sge, sge_count); ctxt = svc_rdma_get_context(xprt); ctxt->count = 0; |