nfs41: lock sequence setup/done support

Separate nfs4_lock calls from nfs41: sequence setup/done support
Call nfs4_sequence_done from respective rpc_call_done methods.

Note that we need to pass a pointer to the nfs_server in calls data
for passing on to nfs4_sequence_done.

Signed-off-by: Andy Adamson<andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[pnfs: client data server write validate and release]
[use nfs4_sequence_done_free_slot]
Signed-off-by: Andy Adamson<andros@umich.edu>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 46e2509..dc07081 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3688,6 +3688,7 @@ struct nfs4_lockdata {
        unsigned long timestamp;
        int rpc_status;
        int cancelled;
+       struct nfs_server *server;
 };
 
 static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
@@ -3715,6 +3716,7 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
        p->res.lock_seqid = p->arg.lock_seqid;
        p->res.seq_res.sr_slotid = NFS4_MAX_SLOT_TABLE;
        p->lsp = lsp;
+       p->server = server;
        atomic_inc(&lsp->ls_count);
        p->ctx = get_nfs_open_context(ctx);
        memcpy(&p->fl, fl, sizeof(p->fl));
@@ -3744,6 +3746,9 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
        } else
                data->arg.new_lock_owner = 0;
        data->timestamp = jiffies;
+       if (nfs4_setup_sequence(data->server->nfs_client, &data->arg.seq_args,
+                               &data->res.seq_res, 1, task))
+               return;
        rpc_call_start(task);
        dprintk("%s: done!, ret = %d\n", __func__, data->rpc_status);
 }
@@ -3754,6 +3759,9 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
 
        dprintk("%s: begin!\n", __func__);
 
+       nfs4_sequence_done_free_slot(data->server, &data->res.seq_res,
+                                    task->tk_status);
+
        data->rpc_status = task->tk_status;
        if (RPC_ASSASSINATED(task))
                goto out;