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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-06-16 17:52:26 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-06-22 21:24:01 +0400
commit71ac6da9944e2c9ec73ca64ca7bca74428858585 (patch)
tree3ca5c332b228126a88ad03d82e59f14c68dc58ee /fs/nfs
parentaa5190d0ed7d042c6d7d89fe8101558a912eee73 (diff)
downloadlinux-71ac6da9944e2c9ec73ca64ca7bca74428858585.tar.xz
NFSv4.1: Merge the nfs41_proc_async_sequence() and nfs4_proc_sequence()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c68
1 files changed, 44 insertions, 24 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a00932c1215e..75847e4898a0 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5048,24 +5048,6 @@ int nfs4_init_session(struct nfs_server *server)
/*
* Renew the cl_session lease.
*/
-static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
-{
- struct nfs4_sequence_args args;
- struct nfs4_sequence_res res;
-
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SEQUENCE],
- .rpc_argp = &args,
- .rpc_resp = &res,
- .rpc_cred = cred,
- };
-
- args.sa_cache_this = 0;
-
- return nfs4_call_sync_sequence(clp, clp->cl_rpcclient, &msg, &args,
- &res, args.sa_cache_this, 1);
-}
-
struct nfs4_sequence_data {
struct nfs_client *clp;
struct nfs4_sequence_args args;
@@ -5139,29 +5121,67 @@ static const struct rpc_call_ops nfs41_sequence_ops = {
.rpc_release = nfs41_sequence_release,
};
-static int nfs41_proc_async_sequence(struct nfs_client *clp,
- struct rpc_cred *cred)
+static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
{
struct nfs4_sequence_data *calldata;
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SEQUENCE],
.rpc_cred = cred,
};
+ struct rpc_task_setup task_setup_data = {
+ .rpc_client = clp->cl_rpcclient,
+ .rpc_message = &msg,
+ .callback_ops = &nfs41_sequence_ops,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_SOFT,
+ };
if (!atomic_inc_not_zero(&clp->cl_count))
- return -EIO;
+ return ERR_PTR(-EIO);
calldata = kmalloc(sizeof(*calldata), GFP_NOFS);
if (calldata == NULL) {
nfs_put_client(clp);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
calldata->res.sr_slotid = NFS4_MAX_SLOT_TABLE;
msg.rpc_argp = &calldata->args;
msg.rpc_resp = &calldata->res;
calldata->clp = clp;
+ task_setup_data.callback_data = calldata;
- return rpc_call_async(clp->cl_rpcclient, &msg, RPC_TASK_SOFT,
- &nfs41_sequence_ops, calldata);
+ return rpc_run_task(&task_setup_data);
+}
+
+static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred)
+{
+ struct rpc_task *task;
+ int ret = 0;
+
+ task = _nfs41_proc_sequence(clp, cred);
+ if (IS_ERR(task))
+ ret = PTR_ERR(task);
+ else
+ rpc_put_task(task);
+ dprintk("<-- %s status=%d\n", __func__, ret);
+ return ret;
+}
+
+static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
+{
+ struct rpc_task *task;
+ int ret;
+
+ task = _nfs41_proc_sequence(clp, cred);
+ if (IS_ERR(task)) {
+ ret = PTR_ERR(task);
+ goto out;
+ }
+ ret = rpc_wait_for_completion_task(task);
+ if (!ret)
+ ret = task->tk_status;
+ rpc_put_task(task);
+out:
+ dprintk("<-- %s status=%d\n", __func__, ret);
+ return ret;
}
struct nfs4_reclaim_complete_data {