diff options
| -rw-r--r-- | fs/nfs/nfs4proc.c | 24 | ||||
| -rw-r--r-- | fs/nfs/nfs4renewd.c | 24 |
2 files changed, 27 insertions, 21 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 84b53d3..726bc19 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3147,10 +3147,17 @@ static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_messa * nfs4_proc_async_renew(): This is not one of the nfs_rpc_ops; it is a special * standalone procedure for queueing an asynchronous RENEW. */ +static void nfs4_renew_release(void *data) +{ + struct nfs_client *clp = data; + + nfs4_schedule_state_renewal(clp); +} + static void nfs4_renew_done(struct rpc_task *task, void *data) { - struct nfs_client *clp = (struct nfs_client *)task->tk_msg.rpc_argp; - unsigned long timestamp = (unsigned long)data; + struct nfs_client *clp = data; + unsigned long timestamp = task->tk_start; if (task->tk_status < 0) { /* Unless we're shutting down, schedule state recovery! */ @@ -3166,6 +3173,7 @@ static void nfs4_renew_done(struct rpc_task *task, void *data) static const struct rpc_call_ops nfs4_renew_ops = { .rpc_call_done = nfs4_renew_done, + .rpc_release = nfs4_renew_release, }; int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred) @@ -3177,7 +3185,7 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred) }; return rpc_call_async(clp->cl_rpcclient, &msg, RPC_TASK_SOFT, - &nfs4_renew_ops, (void *)jiffies); + &nfs4_renew_ops, clp); } int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred) @@ -5023,7 +5031,14 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred) &res, args.sa_cache_this, 1); } -void nfs41_sequence_call_done(struct rpc_task *task, void *data) +static void nfs41_sequence_release(void *data) +{ + struct nfs_client *clp = (struct nfs_client *)data; + + nfs4_schedule_state_renewal(clp); +} + +static void nfs41_sequence_call_done(struct rpc_task *task, void *data) { struct nfs_client *clp = (struct nfs_client *)data; @@ -5064,6 +5079,7 @@ static void nfs41_sequence_prepare(struct rpc_task *task, void *data) static const struct rpc_call_ops nfs41_sequence_ops = { .rpc_call_done = nfs41_sequence_call_done, .rpc_call_prepare = nfs41_sequence_prepare, + .rpc_release = nfs41_sequence_release, }; static int nfs41_proc_async_sequence(struct nfs_client *clp, diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c index 0156c01..d87f103 100644 --- a/fs/nfs/nfs4renewd.c +++ b/fs/nfs/nfs4renewd.c @@ -36,11 +36,6 @@ * as an rpc_task, not a real kernel thread, so it always runs in rpciod's * context. There is one renewd per nfs_server. * - * TODO: If the send queue gets backlogged (e.g., if the server goes down), - * we will keep filling the queue with periodic RENEW requests. We need a - * mechanism for ensuring that if renewd successfully sends off a request, - * then it only wakes up when the request is finished. Maybe use the - * child task framework of the RPC layer? */ #include <linux/mm.h> @@ -63,7 +58,7 @@ nfs4_renew_state(struct work_struct *work) struct nfs_client *clp = container_of(work, struct nfs_client, cl_renewd.work); struct rpc_cred *cred; - long lease, timeout; + long lease; unsigned long last, now; ops = nfs4_state_renewal_ops[clp->cl_minorversion]; @@ -75,7 +70,6 @@ nfs4_renew_state(struct work_struct *work) lease = clp->cl_lease_time; last = clp->cl_last_renewal; now = jiffies; - timeout = (2 * lease) / 3 + (long)last - (long)now; /* Are we close to a lease timeout? */ if (time_after(now, last + lease/3)) { cred = ops->get_state_renewal_cred_locked(clp); @@ -90,19 +84,15 @@ nfs4_renew_state(struct work_struct *work) /* Queue an asynchronous RENEW. */ ops->sched_state_renewal(clp, cred); put_rpccred(cred); + goto out_exp; } - timeout = (2 * lease) / 3; - spin_lock(&clp->cl_lock); - } else + } else { dprintk("%s: failed to call renewd. Reason: lease not expired \n", __func__); - if (timeout < 5 * HZ) /* safeguard */ - timeout = 5 * HZ; - dprintk("%s: requeueing work. Lease period = %ld\n", - __func__, (timeout + HZ - 1) / HZ); - cancel_delayed_work(&clp->cl_renewd); - schedule_delayed_work(&clp->cl_renewd, timeout); - spin_unlock(&clp->cl_lock); + spin_unlock(&clp->cl_lock); + } + nfs4_schedule_state_renewal(clp); +out_exp: nfs_expire_unreferenced_delegations(clp); out: dprintk("%s: done\n", __func__); |