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Commit c970aa85 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

SUNRPC: Clean up rpc_run_task 



Make it use the new task initialiser structure instead of acting as a
wrapper.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 84115e1c

fs/nfs/nfs4proc.c

+42 −7
Original line number Diff line number Diff line
@@ -779,12 +779,18 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) 
{

	struct nfs_server *server = NFS_SERVER(data->dir->d_inode);

	struct rpc_task *task;

	struct rpc_task_setup task_setup_data = {

		.rpc_client = server->client,

		.callback_ops = &nfs4_open_confirm_ops,

		.callback_data = data,

		.flags = RPC_TASK_ASYNC,

	};

	int status;



	kref_get(&data->kref);

	data->rpc_done = 0;

	data->rpc_status = 0;

	task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_open_confirm_ops, data);

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	status = nfs4_wait_for_completion_rpc_task(task);
@@ -908,13 +914,19 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) 
	struct nfs_openargs *o_arg = &data->o_arg;

	struct nfs_openres *o_res = &data->o_res;

	struct rpc_task *task;

	struct rpc_task_setup task_setup_data = {

		.rpc_client = server->client,

		.callback_ops = &nfs4_open_ops,

		.callback_data = data,

		.flags = RPC_TASK_ASYNC,

	};

	int status;



	kref_get(&data->kref);

	data->rpc_done = 0;

	data->rpc_status = 0;

	data->cancelled = 0;

	task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_open_ops, data);

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	status = nfs4_wait_for_completion_rpc_task(task);
@@ -1309,6 +1321,11 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait) 
	struct nfs4_closedata *calldata;

	struct nfs4_state_owner *sp = state->owner;

	struct rpc_task *task;

	struct rpc_task_setup task_setup_data = {

		.rpc_client = server->client,

		.callback_ops = &nfs4_close_ops,

		.flags = RPC_TASK_ASYNC,

	};

	int status = -ENOMEM;



	calldata = kmalloc(sizeof(*calldata), GFP_KERNEL);
@@ -1328,7 +1345,8 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait) 
	calldata->path.mnt = mntget(path->mnt);

	calldata->path.dentry = dget(path->dentry);



	task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_close_ops, calldata);

	task_setup_data.callback_data = calldata;

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	status = 0;
@@ -3027,6 +3045,11 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co 
	struct nfs4_delegreturndata *data;

	struct nfs_server *server = NFS_SERVER(inode);

	struct rpc_task *task;

	struct rpc_task_setup task_setup_data = {

		.rpc_client = server->client,

		.callback_ops = &nfs4_delegreturn_ops,

		.flags = RPC_TASK_ASYNC,

	};

	int status;



	data = kmalloc(sizeof(*data), GFP_KERNEL);
@@ -3043,7 +3066,8 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co 
	data->timestamp = jiffies;

	data->rpc_status = 0;



	task = rpc_run_task(NFS_CLIENT(inode), RPC_TASK_ASYNC, &nfs4_delegreturn_ops, data);

	task_setup_data.callback_data = data;

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	status = nfs4_wait_for_completion_rpc_task(task);
@@ -3260,6 +3284,11 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl, 
		struct nfs_seqid *seqid)

{

	struct nfs4_unlockdata *data;

	struct rpc_task_setup task_setup_data = {

		.rpc_client = NFS_CLIENT(lsp->ls_state->inode),

		.callback_ops = &nfs4_locku_ops,

		.flags = RPC_TASK_ASYNC,

	};



	/* Ensure this is an unlock - when canceling a lock, the

	 * canceled lock is passed in, and it won't be an unlock.
@@ -3272,7 +3301,8 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl, 
		return ERR_PTR(-ENOMEM);

	}



	return rpc_run_task(NFS_CLIENT(lsp->ls_state->inode), RPC_TASK_ASYNC, &nfs4_locku_ops, data);

	task_setup_data.callback_data = data;

	return rpc_run_task(&task_setup_data);

}



static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *request)
@@ -3438,6 +3468,11 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f 
{

	struct nfs4_lockdata *data;

	struct rpc_task *task;

	struct rpc_task_setup task_setup_data = {

		.rpc_client = NFS_CLIENT(state->inode),

		.callback_ops = &nfs4_lock_ops,

		.flags = RPC_TASK_ASYNC,

	};

	int ret;



	dprintk("%s: begin!\n", __FUNCTION__);
@@ -3449,8 +3484,8 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f 
		data->arg.block = 1;

	if (reclaim != 0)

		data->arg.reclaim = 1;

	task = rpc_run_task(NFS_CLIENT(state->inode), RPC_TASK_ASYNC,

			&nfs4_lock_ops, data);

	task_setup_data.callback_data = data;

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	ret = nfs4_wait_for_completion_rpc_task(task);

fs/nfs/unlink.c

+8 −1
Original line number Diff line number Diff line
@@ -127,6 +127,11 @@ static const struct rpc_call_ops nfs_unlink_ops = { 


static int nfs_do_call_unlink(struct dentry *parent, struct inode *dir, struct nfs_unlinkdata *data)

{

	struct rpc_task_setup task_setup_data = {

		.callback_ops = &nfs_unlink_ops,

		.callback_data = data,

		.flags = RPC_TASK_ASYNC,

	};

	struct rpc_task *task;

	struct dentry *alias;
@@ -160,7 +165,9 @@ static int nfs_do_call_unlink(struct dentry *parent, struct inode *dir, struct n 
	data->args.fh = NFS_FH(dir);

	nfs_fattr_init(&data->res.dir_attr);



	task = rpc_run_task(NFS_CLIENT(dir), RPC_TASK_ASYNC, &nfs_unlink_ops, data);

	task_setup_data.rpc_client = NFS_CLIENT(dir);



	task = rpc_run_task(&task_setup_data);

	if (!IS_ERR(task))

		rpc_put_task(task);

	return 1;

include/linux/sunrpc/sched.h

+1 −2
Original line number Diff line number Diff line
@@ -244,8 +244,7 @@ struct rpc_wait_queue { 
 * Function prototypes

 */

struct rpc_task *rpc_new_task(const struct rpc_task_setup *);

struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags,

				const struct rpc_call_ops *ops, void *data);

struct rpc_task *rpc_run_task(const struct rpc_task_setup *);

void		rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *);

void		rpc_put_task(struct rpc_task *);

void		rpc_exit_task(struct rpc_task *);

net/sunrpc/clnt.c

+9 −27
Original line number Diff line number Diff line
@@ -523,8 +523,11 @@ void rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset) 
}

EXPORT_SYMBOL_GPL(rpc_clnt_sigunmask);



static

struct rpc_task *rpc_do_run_task(const struct rpc_task_setup *task_setup_data)

/**

 * rpc_run_task - Allocate a new RPC task, then run rpc_execute against it

 * @task_setup_data: pointer to task initialisation data

 */

struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)

{

	struct rpc_task *task, *ret;

	sigset_t oldset;
@@ -553,6 +556,7 @@ struct rpc_task *rpc_do_run_task(const struct rpc_task_setup *task_setup_data) 
	rpc_restore_sigmask(&oldset);

	return ret;

}

EXPORT_SYMBOL_GPL(rpc_run_task);



/**

 * rpc_call_sync - Perform a synchronous RPC call
@@ -573,7 +577,7 @@ int rpc_call_sync(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 


	BUG_ON(flags & RPC_TASK_ASYNC);



	task = rpc_do_run_task(&task_setup_data);

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	status = task->tk_status;
@@ -603,7 +607,7 @@ rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg, int flags, 
		.flags = flags|RPC_TASK_ASYNC,

	};



	task = rpc_do_run_task(&task_setup_data);

	task = rpc_run_task(&task_setup_data);

	if (IS_ERR(task))

		return PTR_ERR(task);

	rpc_put_task(task);
@@ -611,28 +615,6 @@ rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg, int flags, 
}

EXPORT_SYMBOL_GPL(rpc_call_async);



/**

 * rpc_run_task - Allocate a new RPC task, then run rpc_execute against it

 * @clnt: pointer to RPC client

 * @flags: RPC flags

 * @ops: RPC call ops

 * @data: user call data

 */

struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags,

					const struct rpc_call_ops *tk_ops,

					void *data)

{

	struct rpc_task_setup task_setup_data = {

		.rpc_client = clnt,

		.callback_ops = tk_ops,

		.callback_data = data,

		.flags = flags,

	};



	return rpc_do_run_task(&task_setup_data);

}

EXPORT_SYMBOL_GPL(rpc_run_task);



void

rpc_call_setup(struct rpc_task *task, const struct rpc_message *msg, int flags)

{
@@ -1550,7 +1532,7 @@ struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred, int 
		.callback_ops = &rpc_default_ops,

		.flags = flags,

	};

	return rpc_do_run_task(&task_setup_data);

	return rpc_run_task(&task_setup_data);

}

EXPORT_SYMBOL_GPL(rpc_call_null);

net/sunrpc/rpcb_clnt.c

+7 −1
Original line number Diff line number Diff line
@@ -310,6 +310,10 @@ void rpcb_getport_async(struct rpc_task *task) 
	struct rpc_clnt	*rpcb_clnt;

	static struct rpcbind_args *map;

	struct rpc_task	*child;

	struct rpc_task_setup task_setup_data = {

		.callback_ops = &rpcb_getport_ops,

		.flags = RPC_TASK_ASYNC,

	};

	struct sockaddr addr;

	int status;

	struct rpcb_info *info;
@@ -395,7 +399,9 @@ void rpcb_getport_async(struct rpc_task *task) 
	       sizeof(map->r_addr));

	map->r_owner = RPCB_OWNER_STRING;	/* ignored for GETADDR */



	child = rpc_run_task(rpcb_clnt, RPC_TASK_ASYNC, &rpcb_getport_ops, map);

	task_setup_data.rpc_client = rpcb_clnt;

	task_setup_data.callback_data = map;

	child = rpc_run_task(&task_setup_data);

	rpc_release_client(rpcb_clnt);

	if (IS_ERR(child)) {

		status = -EIO;