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NFSv4.1: Make nfs4_setup_sequence take a nfs_server argument

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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>
This commit is contained in:
Trond Myklebust 2010-06-16 09:52:26 -04:00
parent 71ac6da994
commit 035168ab39
5 changed files with 44 additions and 29 deletions
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14
fs/nfs/nfs4_fs.h
View file

@ -223,7 +223,12 @@ extern int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
extern struct nfs4_state_recovery_ops *nfs4_reboot_recovery_ops[];
extern struct nfs4_state_recovery_ops *nfs4_nograce_recovery_ops[];
#if defined(CONFIG_NFS_V4_1)
extern int nfs4_setup_sequence(struct nfs_client *clp,
static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *server)
{
return server->nfs_client->cl_session;
}
extern 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);
extern void nfs4_destroy_session(struct nfs4_session *session);
@ -234,7 +239,12 @@ extern int nfs4_init_session(struct nfs_server *server);
extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
struct nfs_fsinfo *fsinfo);
#else /* CONFIG_NFS_v4_1 */
static inline int nfs4_setup_sequence(struct nfs_client *clp,
static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *server)
{
return NULL;
}
static inline 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)
{

51
fs/nfs/nfs4proc.c
View file

@ -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;
dprintk("--> %s clp %p session %p sr_slotid %d\n",
__func__, clp, clp->cl_session, res->sr_slotid);
if (!nfs4_has_session(clp))
if (session == NULL) {
args->sa_session = NULL;
res->sr_session = NULL;
goto out;
ret = nfs41_setup_sequence(clp->cl_session, args, res, cache_reply,
}
dprintk("--> %s clp %p session %p sr_slotid %d\n",
__func__, session->clp, session, res->sr_slotid);
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;

2
fs/nfs/read.c
View file

@ -410,7 +410,7 @@ void nfs_read_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_read_data *data = calldata;
if (nfs4_setup_sequence(NFS_SERVER(data->inode)->nfs_client,
if (nfs4_setup_sequence(NFS_SERVER(data->inode),
&data->args.seq_args, &data->res.seq_res,
0, task))
return;

2
fs/nfs/unlink.c
View file

@ -110,7 +110,7 @@ void nfs_unlink_prepare(struct rpc_task *task, void *calldata)
struct nfs_unlinkdata *data = calldata;
struct nfs_server *server = NFS_SERVER(data->dir);
if (nfs4_setup_sequence(server->nfs_client, &data->args.seq_args,
if (nfs4_setup_sequence(server, &data->args.seq_args,
&data->res.seq_res, 1, task))
return;
rpc_call_start(task);

4
fs/nfs/write.c
View file

@ -1036,9 +1036,9 @@ out:
void nfs_write_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = calldata;
struct nfs_client *clp = (NFS_SERVER(data->inode))->nfs_client;
if (nfs4_setup_sequence(clp, &data->args.seq_args,
if (nfs4_setup_sequence(NFS_SERVER(data->inode),
&data->args.seq_args,
&data->res.seq_res, 1, task))
return;
rpc_call_start(task);