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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-06-16 09:52:26 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-06-22 13:24:02 -0400
commit035168ab39f66e4946d493f9ee20d11e154f332a (patch)
tree9315dded7db8ccba9fb3601bdc3ab03310bd87ff /fs/nfs/nfs4proc.c
parent71ac6da9944e2c9ec73ca64ca7bca74428858585 (diff)
NFSv4.1: Make nfs4_setup_sequence take a nfs_server argument
In anticipation of the day when we have per-filesystem sessions, and also in order to allow the session to change in the event of a filesystem migration event. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c49
1 files changed, 27 insertions, 22 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 75847e4898a0..0168007b78d2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -531,20 +531,25 @@ static int nfs41_setup_sequence(struct nfs4_session *session,
return 0;
}
-int nfs4_setup_sequence(struct nfs_client *clp,
+int nfs4_setup_sequence(const struct nfs_server *server,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
int cache_reply,
struct rpc_task *task)
{
+ struct nfs4_session *session = nfs4_get_session(server);
int ret = 0;
+ if (session == NULL) {
+ args->sa_session = NULL;
+ res->sr_session = NULL;
+ goto out;
+ }
+
dprintk("--> %s clp %p session %p sr_slotid %d\n",
- __func__, clp, clp->cl_session, res->sr_slotid);
+ __func__, session->clp, session, res->sr_slotid);
- if (!nfs4_has_session(clp))
- goto out;
- ret = nfs41_setup_sequence(clp->cl_session, args, res, cache_reply,
+ ret = nfs41_setup_sequence(session, args, res, cache_reply,
task);
out:
dprintk("<-- %s status=%d\n", __func__, ret);
@@ -552,7 +557,7 @@ out:
}
struct nfs41_call_sync_data {
- struct nfs_client *clp;
+ const struct nfs_server *seq_server;
struct nfs4_sequence_args *seq_args;
struct nfs4_sequence_res *seq_res;
int cache_reply;
@@ -562,9 +567,9 @@ static void nfs41_call_sync_prepare(struct rpc_task *task, void *calldata)
{
struct nfs41_call_sync_data *data = calldata;
- dprintk("--> %s data->clp->cl_session %p\n", __func__,
- data->clp->cl_session);
- if (nfs4_setup_sequence(data->clp, data->seq_args,
+ dprintk("--> %s data->seq_server %p\n", __func__, data->seq_server);
+
+ if (nfs4_setup_sequence(data->seq_server, data->seq_args,
data->seq_res, data->cache_reply, task))
return;
rpc_call_start(task);
@@ -593,8 +598,7 @@ struct rpc_call_ops nfs41_call_priv_sync_ops = {
.rpc_call_done = nfs41_call_sync_done,
};
-static int nfs4_call_sync_sequence(struct nfs_client *clp,
- struct rpc_clnt *clnt,
+static int nfs4_call_sync_sequence(struct nfs_server *server,
struct rpc_message *msg,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
@@ -604,13 +608,13 @@ static int nfs4_call_sync_sequence(struct nfs_client *clp,
int ret;
struct rpc_task *task;
struct nfs41_call_sync_data data = {
- .clp = clp,
+ .seq_server = server,
.seq_args = args,
.seq_res = res,
.cache_reply = cache_reply,
};
struct rpc_task_setup task_setup = {
- .rpc_client = clnt,
+ .rpc_client = server->client,
.rpc_message = msg,
.callback_ops = &nfs41_call_sync_ops,
.callback_data = &data
@@ -635,8 +639,7 @@ int _nfs4_call_sync_session(struct nfs_server *server,
struct nfs4_sequence_res *res,
int cache_reply)
{
- return nfs4_call_sync_sequence(server->nfs_client, server->client,
- msg, args, res, cache_reply, 0);
+ return nfs4_call_sync_sequence(server, msg, args, res, cache_reply, 0);
}
#endif /* CONFIG_NFS_V4_1 */
@@ -1355,7 +1358,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
nfs_copy_fh(&data->o_res.fh, data->o_arg.fh);
}
data->timestamp = jiffies;
- if (nfs4_setup_sequence(data->o_arg.server->nfs_client,
+ if (nfs4_setup_sequence(data->o_arg.server,
&data->o_arg.seq_args,
&data->o_res.seq_res, 1, task))
return;
@@ -1896,7 +1899,7 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
nfs_fattr_init(calldata->res.fattr);
calldata->timestamp = jiffies;
- if (nfs4_setup_sequence((NFS_SERVER(calldata->inode))->nfs_client,
+ if (nfs4_setup_sequence(NFS_SERVER(calldata->inode),
&calldata->arg.seq_args, &calldata->res.seq_res,
1, task))
return;
@@ -3660,7 +3663,7 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data)
d_data = (struct nfs4_delegreturndata *)data;
- if (nfs4_setup_sequence(d_data->res.server->nfs_client,
+ if (nfs4_setup_sequence(d_data->res.server,
&d_data->args.seq_args,
&d_data->res.seq_res, 1, task))
return;
@@ -3915,7 +3918,7 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
return;
}
calldata->timestamp = jiffies;
- if (nfs4_setup_sequence(calldata->server->nfs_client,
+ if (nfs4_setup_sequence(calldata->server,
&calldata->arg.seq_args,
&calldata->res.seq_res, 1, task))
return;
@@ -4070,7 +4073,8 @@ 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,
+ if (nfs4_setup_sequence(data->server,
+ &data->arg.seq_args,
&data->res.seq_res, 1, task))
return;
rpc_call_start(task);
@@ -5110,7 +5114,7 @@ static void nfs41_sequence_prepare(struct rpc_task *task, void *data)
args = task->tk_msg.rpc_argp;
res = task->tk_msg.rpc_resp;
- if (nfs4_setup_sequence(clp, args, res, 0, task))
+ if (nfs41_setup_sequence(clp->cl_session, args, res, 0, task))
return;
rpc_call_start(task);
}
@@ -5195,7 +5199,8 @@ static void nfs4_reclaim_complete_prepare(struct rpc_task *task, void *data)
struct nfs4_reclaim_complete_data *calldata = data;
rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED);
- if (nfs4_setup_sequence(calldata->clp, &calldata->arg.seq_args,
+ if (nfs41_setup_sequence(calldata->clp->cl_session,
+ &calldata->arg.seq_args,
&calldata->res.seq_res, 0, task))
return;