aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-17 22:04:25 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-31 19:28:06 -0500
commit9d12b216aa87f68c96f6dd8eb5d2d0ccc9989b1c (patch)
tree74dbe1f8b150b3a66f5cb3589e5efd51ad9dfff5
parentd2d7ce28a2f8ec6ca2a49145e643d2e3c7d21ba3 (diff)
downloadlinux-stericsson-9d12b216aa87f68c96f6dd8eb5d2d0ccc9989b1c.tar.gz
NFSv41: Add a new helper nfs4_init_sequence()
Clean up Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/nfs4_fs.h6
-rw-r--r--fs/nfs/nfs4filelayout.c4
-rw-r--r--fs/nfs/nfs4proc.c93
-rw-r--r--fs/nfs/read.c2
-rw-r--r--fs/nfs/unlink.c4
-rw-r--r--fs/nfs/write.c2
6 files changed, 65 insertions, 46 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index b23cb0cda632..0924494e10a2 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -230,10 +230,10 @@ static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *ser
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);
+ struct rpc_task *task);
extern int nfs41_setup_sequence(struct nfs4_session *session,
struct nfs4_sequence_args *args, struct nfs4_sequence_res *res,
- int cache_reply, struct rpc_task *task);
+ struct rpc_task *task);
extern void nfs4_destroy_session(struct nfs4_session *session);
extern struct nfs4_session *nfs4_alloc_session(struct nfs_client *clp);
extern int nfs4_proc_create_session(struct nfs_client *);
@@ -264,7 +264,7 @@ static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *ser
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)
+ struct rpc_task *task)
{
return 0;
}
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 71ec08617e23..b4f8f9624afa 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -173,7 +173,7 @@ static void filelayout_read_prepare(struct rpc_task *task, void *data)
if (nfs41_setup_sequence(rdata->ds_clp->cl_session,
&rdata->args.seq_args, &rdata->res.seq_res,
- 0, task))
+ task))
return;
rpc_call_start(task);
@@ -254,7 +254,7 @@ static void filelayout_write_prepare(struct rpc_task *task, void *data)
if (nfs41_setup_sequence(wdata->ds_clp->cl_session,
&wdata->args.seq_args, &wdata->res.seq_res,
- 0, task))
+ task))
return;
rpc_call_start(task);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 9c77af900960..8926d33383ed 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -534,10 +534,20 @@ out:
return ret_id;
}
+static void nfs41_init_sequence(struct nfs4_sequence_args *args,
+ struct nfs4_sequence_res *res, int cache_reply)
+{
+ args->sa_session = NULL;
+ args->sa_cache_this = 0;
+ if (cache_reply)
+ args->sa_cache_this = 1;
+ res->sr_session = NULL;
+ res->sr_slot = NULL;
+}
+
int nfs41_setup_sequence(struct nfs4_session *session,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
- int cache_reply,
struct rpc_task *task)
{
struct nfs4_slot *slot;
@@ -582,7 +592,6 @@ int nfs41_setup_sequence(struct nfs4_session *session,
slot = tbl->slots + slotid;
args->sa_session = session;
args->sa_slotid = slotid;
- args->sa_cache_this = cache_reply;
dprintk("<-- %s slotid=%d seqid=%d\n", __func__, slotid, slot->seq_nr);
@@ -602,24 +611,19 @@ EXPORT_SYMBOL_GPL(nfs41_setup_sequence);
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;
+ if (session == NULL)
goto out;
- }
dprintk("--> %s clp %p session %p sr_slot %td\n",
__func__, session->clp, session, res->sr_slot ?
res->sr_slot - session->fc_slot_table.slots : -1);
- ret = nfs41_setup_sequence(session, args, res, cache_reply,
- task);
+ ret = nfs41_setup_sequence(session, args, res, task);
out:
dprintk("<-- %s status=%d\n", __func__, ret);
return ret;
@@ -629,7 +633,6 @@ struct nfs41_call_sync_data {
const struct nfs_server *seq_server;
struct nfs4_sequence_args *seq_args;
struct nfs4_sequence_res *seq_res;
- int cache_reply;
};
static void nfs41_call_sync_prepare(struct rpc_task *task, void *calldata)
@@ -639,7 +642,7 @@ static void nfs41_call_sync_prepare(struct rpc_task *task, void *calldata)
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))
+ data->seq_res, task))
return;
rpc_call_start(task);
}
@@ -672,7 +675,6 @@ static int nfs4_call_sync_sequence(struct rpc_clnt *clnt,
struct rpc_message *msg,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
- int cache_reply,
int privileged)
{
int ret;
@@ -681,7 +683,6 @@ static int nfs4_call_sync_sequence(struct rpc_clnt *clnt,
.seq_server = server,
.seq_args = args,
.seq_res = res,
- .cache_reply = cache_reply,
};
struct rpc_task_setup task_setup = {
.rpc_client = clnt,
@@ -690,7 +691,6 @@ static int nfs4_call_sync_sequence(struct rpc_clnt *clnt,
.callback_data = &data
};
- res->sr_slot = NULL;
if (privileged)
task_setup.callback_ops = &nfs41_call_priv_sync_ops;
task = rpc_run_task(&task_setup);
@@ -710,10 +710,17 @@ int _nfs4_call_sync_session(struct rpc_clnt *clnt,
struct nfs4_sequence_res *res,
int cache_reply)
{
- return nfs4_call_sync_sequence(clnt, server, msg, args, res, cache_reply, 0);
+ nfs41_init_sequence(args, res, cache_reply);
+ return nfs4_call_sync_sequence(clnt, server, msg, args, res, 0);
}
#else
+static inline
+void nfs41_init_sequence(struct nfs4_sequence_args *args,
+ struct nfs4_sequence_res *res, int cache_reply)
+{
+}
+
static int nfs4_sequence_done(struct rpc_task *task,
struct nfs4_sequence_res *res)
{
@@ -728,7 +735,7 @@ int _nfs4_call_sync(struct rpc_clnt *clnt,
struct nfs4_sequence_res *res,
int cache_reply)
{
- args->sa_session = res->sr_session = NULL;
+ nfs41_init_sequence(args, res, cache_reply);
return rpc_call_sync(clnt, msg, 0);
}
@@ -1449,7 +1456,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
data->timestamp = jiffies;
if (nfs4_setup_sequence(data->o_arg.server,
&data->o_arg.seq_args,
- &data->o_res.seq_res, 1, task))
+ &data->o_res.seq_res, task))
return;
rpc_call_start(task);
return;
@@ -1551,6 +1558,7 @@ static int nfs4_run_open_task(struct nfs4_opendata *data, int isrecover)
};
int status;
+ nfs41_init_sequence(&o_arg->seq_args, &o_res->seq_res, 1);
kref_get(&data->kref);
data->rpc_done = 0;
data->rpc_status = 0;
@@ -2030,8 +2038,9 @@ 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),
- &calldata->arg.seq_args, &calldata->res.seq_res,
- 1, task))
+ &calldata->arg.seq_args,
+ &calldata->res.seq_res,
+ task))
return;
rpc_call_start(task);
}
@@ -2075,6 +2084,7 @@ int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc)
calldata = kzalloc(sizeof(*calldata), gfp_mask);
if (calldata == NULL)
goto out;
+ nfs41_init_sequence(&calldata->arg.seq_args, &calldata->res.seq_res, 1);
calldata->inode = state->inode;
calldata->state = state;
calldata->arg.fh = NFS_FH(state->inode);
@@ -2713,8 +2723,8 @@ static void nfs4_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
args->bitmask = server->cache_consistency_bitmask;
res->server = server;
- res->seq_res.sr_slot = NULL;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE];
+ nfs41_init_sequence(&args->seq_args, &res->seq_res, 1);
}
static int nfs4_proc_unlink_done(struct rpc_task *task, struct inode *dir)
@@ -2739,6 +2749,7 @@ static void nfs4_proc_rename_setup(struct rpc_message *msg, struct inode *dir)
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENAME];
arg->bitmask = server->attr_bitmask;
res->server = server;
+ nfs41_init_sequence(&arg->seq_args, &res->seq_res, 1);
}
static int nfs4_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
@@ -3233,6 +3244,7 @@ static void nfs4_proc_read_setup(struct nfs_read_data *data, struct rpc_message
data->timestamp = jiffies;
data->read_done_cb = nfs4_read_done_cb;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
+ nfs41_init_sequence(&data->args.seq_args, &data->res.seq_res, 0);
}
/* Reset the the nfs_read_data to send the read to the MDS. */
@@ -3306,6 +3318,7 @@ static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_messag
data->timestamp = jiffies;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE];
+ nfs41_init_sequence(&data->args.seq_args, &data->res.seq_res, 1);
}
static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_write_data *data)
@@ -3340,6 +3353,7 @@ static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_messa
data->write_done_cb = nfs4_commit_done_cb;
data->res.server = server;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT];
+ nfs41_init_sequence(&data->args.seq_args, &data->res.seq_res, 1);
}
struct nfs4_renewdata {
@@ -3892,7 +3906,7 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data)
if (nfs4_setup_sequence(d_data->res.server,
&d_data->args.seq_args,
- &d_data->res.seq_res, 1, task))
+ &d_data->res.seq_res, task))
return;
rpc_call_start(task);
}
@@ -3926,6 +3940,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co
data = kzalloc(sizeof(*data), GFP_NOFS);
if (data == NULL)
return -ENOMEM;
+ nfs41_init_sequence(&data->args.seq_args, &data->res.seq_res, 1);
data->args.fhandle = &data->fh;
data->args.stateid = &data->stateid;
data->args.bitmask = server->attr_bitmask;
@@ -4143,7 +4158,7 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
calldata->timestamp = jiffies;
if (nfs4_setup_sequence(calldata->server,
&calldata->arg.seq_args,
- &calldata->res.seq_res, 1, task))
+ &calldata->res.seq_res, task))
return;
rpc_call_start(task);
}
@@ -4183,6 +4198,7 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
return ERR_PTR(-ENOMEM);
}
+ nfs41_init_sequence(&data->arg.seq_args, &data->res.seq_res, 1);
msg.rpc_argp = &data->arg;
msg.rpc_resp = &data->res;
task_setup_data.callback_data = data;
@@ -4298,7 +4314,7 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
data->timestamp = jiffies;
if (nfs4_setup_sequence(data->server,
&data->arg.seq_args,
- &data->res.seq_res, 1, task))
+ &data->res.seq_res, task))
return;
rpc_call_start(task);
dprintk("%s: done!, ret = %d\n", __func__, data->rpc_status);
@@ -4416,6 +4432,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
data->arg.reclaim = NFS_LOCK_RECLAIM;
task_setup_data.callback_ops = &nfs4_recover_lock_ops;
}
+ nfs41_init_sequence(&data->arg.seq_args, &data->res.seq_res, 1);
msg.rpc_argp = &data->arg;
msg.rpc_resp = &data->res;
task_setup_data.callback_data = data;
@@ -4931,7 +4948,7 @@ static void nfs4_get_lease_time_prepare(struct rpc_task *task,
since we're invoked within one */
ret = nfs41_setup_sequence(data->clp->cl_session,
&data->args->la_seq_args,
- &data->res->lr_seq_res, 0, task);
+ &data->res->lr_seq_res, task);
BUG_ON(ret == -EAGAIN);
rpc_call_start(task);
@@ -4995,6 +5012,7 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo)
};
int status;
+ nfs41_init_sequence(&args.la_seq_args, &res.lr_seq_res, 0);
dprintk("--> %s\n", __func__);
task = rpc_run_task(&task_setup);
@@ -5468,7 +5486,7 @@ static void nfs41_sequence_prepare(struct rpc_task *task, void *data)
args = task->tk_msg.rpc_argp;
res = task->tk_msg.rpc_resp;
- if (nfs41_setup_sequence(clp->cl_session, args, res, 0, task))
+ if (nfs41_setup_sequence(clp->cl_session, args, res, task))
return;
rpc_call_start(task);
}
@@ -5500,6 +5518,7 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_
nfs_put_client(clp);
return ERR_PTR(-ENOMEM);
}
+ nfs41_init_sequence(&calldata->args, &calldata->res, 0);
msg.rpc_argp = &calldata->args;
msg.rpc_resp = &calldata->res;
calldata->clp = clp;
@@ -5561,7 +5580,7 @@ static void nfs4_reclaim_complete_prepare(struct rpc_task *task, void *data)
rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED);
if (nfs41_setup_sequence(calldata->clp->cl_session,
&calldata->arg.seq_args,
- &calldata->res.seq_res, 0, task))
+ &calldata->res.seq_res, task))
return;
rpc_call_start(task);
@@ -5640,6 +5659,7 @@ static int nfs41_proc_reclaim_complete(struct nfs_client *clp)
calldata->clp = clp;
calldata->arg.one_fs = 0;
+ nfs41_init_sequence(&calldata->arg.seq_args, &calldata->res.seq_res, 0);
msg.rpc_argp = &calldata->arg;
msg.rpc_resp = &calldata->res;
task_setup_data.callback_data = calldata;
@@ -5671,7 +5691,7 @@ nfs4_layoutget_prepare(struct rpc_task *task, void *calldata)
* to be no way to prevent it completely.
*/
if (nfs4_setup_sequence(server, &lgp->args.seq_args,
- &lgp->res.seq_res, 0, task))
+ &lgp->res.seq_res, task))
return;
if (pnfs_choose_layoutget_stateid(&lgp->args.stateid,
NFS_I(lgp->args.inode)->layout,
@@ -5746,6 +5766,7 @@ int nfs4_proc_layoutget(struct nfs4_layoutget *lgp)
lgp->res.layoutp = &lgp->args.layout;
lgp->res.seq_res.sr_slot = NULL;
+ nfs41_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0);
task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
@@ -5766,7 +5787,7 @@ nfs4_layoutreturn_prepare(struct rpc_task *task, void *calldata)
dprintk("--> %s\n", __func__);
if (nfs41_setup_sequence(lrp->clp->cl_session, &lrp->args.seq_args,
- &lrp->res.seq_res, 0, task))
+ &lrp->res.seq_res, task))
return;
rpc_call_start(task);
}
@@ -5832,6 +5853,7 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp)
int status;
dprintk("--> %s\n", __func__);
+ nfs41_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1);
task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
@@ -5932,7 +5954,7 @@ static void nfs4_layoutcommit_prepare(struct rpc_task *task, void *calldata)
struct nfs_server *server = NFS_SERVER(data->args.inode);
if (nfs4_setup_sequence(server, &data->args.seq_args,
- &data->res.seq_res, 1, task))
+ &data->res.seq_res, task))
return;
rpc_call_start(task);
}
@@ -6019,6 +6041,7 @@ nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data, bool sync)
data->args.lastbytewritten,
data->args.inode->i_ino);
+ nfs41_init_sequence(&data->args.seq_args, &data->res.seq_res, 1);
task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
@@ -6114,7 +6137,6 @@ out:
}
static int _nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *state)
{
- int status;
struct nfs41_test_stateid_args args = {
.stateid = &state->stateid,
};
@@ -6124,9 +6146,8 @@ static int _nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *sta
.rpc_argp = &args,
.rpc_resp = &res,
};
- args.seq_args.sa_session = res.seq_res.sr_session = NULL;
- status = nfs4_call_sync_sequence(server->client, server, &msg, &args.seq_args, &res.seq_res, 0, 1);
- return status;
+ nfs41_init_sequence(&args.seq_args, &res.seq_res, 0);
+ return nfs4_call_sync_sequence(server->client, server, &msg, &args.seq_args, &res.seq_res, 1);
}
static int nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *state)
@@ -6143,7 +6164,6 @@ static int nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *stat
static int _nfs4_free_stateid(struct nfs_server *server, struct nfs4_state *state)
{
- int status;
struct nfs41_free_stateid_args args = {
.stateid = &state->stateid,
};
@@ -6154,9 +6174,8 @@ static int _nfs4_free_stateid(struct nfs_server *server, struct nfs4_state *stat
.rpc_resp = &res,
};
- args.seq_args.sa_session = res.seq_res.sr_session = NULL;
- status = nfs4_call_sync_sequence(server->client, server, &msg, &args.seq_args, &res.seq_res, 0, 1);
- return status;
+ nfs41_init_sequence(&args.seq_args, &res.seq_res, 0);
+ return nfs4_call_sync_sequence(server->client, server, &msg, &args.seq_args, &res.seq_res, 1);
}
static int nfs41_free_stateid(struct nfs_server *server, struct nfs4_state *state)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index cfa175c223dc..3c2540d532c7 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -472,7 +472,7 @@ void nfs_read_prepare(struct rpc_task *task, void *calldata)
if (nfs4_setup_sequence(NFS_SERVER(data->inode),
&data->args.seq_args, &data->res.seq_res,
- 0, task))
+ task))
return;
rpc_call_start(task);
}
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 4f9319a2e567..490613b709b6 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -114,7 +114,7 @@ void nfs_unlink_prepare(struct rpc_task *task, void *calldata)
struct nfs_server *server = NFS_SERVER(data->dir);
if (nfs4_setup_sequence(server, &data->args.seq_args,
- &data->res.seq_res, 1, task))
+ &data->res.seq_res, task))
return;
rpc_call_start(task);
}
@@ -410,7 +410,7 @@ static void nfs_rename_prepare(struct rpc_task *task, void *calldata)
struct nfs_server *server = NFS_SERVER(data->old_dir);
if (nfs4_setup_sequence(server, &data->args.seq_args,
- &data->res.seq_res, 1, task))
+ &data->res.seq_res, task))
return;
rpc_call_start(task);
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 834f0fe96f89..0b1831d95849 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1135,7 +1135,7 @@ void nfs_write_prepare(struct rpc_task *task, void *calldata)
if (nfs4_setup_sequence(NFS_SERVER(data->inode),
&data->args.seq_args,
- &data->res.seq_res, 1, task))
+ &data->res.seq_res, task))
return;
rpc_call_start(task);
}