nfs41: locku sequence setup/done support

Separate nfs4_locku 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]
Signed-off-by: Andy Adamson <andros@umich.edu>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: nfs4_sequence_free_slot use nfs_client for data server]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index dc070819096a..d2cfa4f86537 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3533,7 +3533,7 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl,
         struct nfs4_unlockdata *p;
         struct inode *inode = lsp->ls_state->inode;
 
-        p = kmalloc(sizeof(*p), GFP_KERNEL);
+        p = kzalloc(sizeof(*p), GFP_KERNEL);
         if (p == NULL)
                 return NULL;
         p->arg.fh = NFS_FH(inode);
@@ -3564,6 +3564,8 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
 {
         struct nfs4_unlockdata *calldata = data;
 
+        nfs4_sequence_done(calldata->server, &calldata->res.seq_res,
+                           task->tk_status);
         if (RPC_ASSASSINATED(task))
                 return;
         switch (task->tk_status) {
@@ -3582,6 +3584,8 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
                         if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
                                 rpc_restart_call(task);
         }
+        nfs4_sequence_free_slot(calldata->server->nfs_client,
+                                &calldata->res.seq_res);
 }
 
 static void nfs4_locku_prepare(struct rpc_task *task, void *data)
@@ -3596,6 +3600,10 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
                 return;
         }
         calldata->timestamp = jiffies;
+        if (nfs4_setup_sequence(calldata->server->nfs_client,
+                                &calldata->arg.seq_args,
+                                &calldata->res.seq_res, 1, task))
+                return;
         rpc_call_start(task);
 }