Commit 963d8fe5 authored by Trond Myklebust's avatar Trond Myklebust

RPC: Clean up RPC task structure

 Shrink the RPC task structure. Instead of storing separate pointers
 for task->tk_exit and task->tk_release, put them in a structure.

 Also pass the user data pointer as a parameter instead of passing it via
 task->tk_calldata. This enables us to nest callbacks.
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent abbcf28f
......@@ -26,11 +26,12 @@
static int nlmclnt_test(struct nlm_rqst *, struct file_lock *);
static int nlmclnt_lock(struct nlm_rqst *, struct file_lock *);
static int nlmclnt_unlock(struct nlm_rqst *, struct file_lock *);
static void nlmclnt_unlock_callback(struct rpc_task *);
static void nlmclnt_cancel_callback(struct rpc_task *);
static int nlm_stat_to_errno(u32 stat);
static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host);
static const struct rpc_call_ops nlmclnt_unlock_ops;
static const struct rpc_call_ops nlmclnt_cancel_ops;
/*
* Cookie counter for NLM requests
*/
......@@ -399,8 +400,7 @@ nlmclnt_call(struct nlm_rqst *req, u32 proc)
/*
* Generic NLM call, async version.
*/
int
nlmsvc_async_call(struct nlm_rqst *req, u32 proc, rpc_action callback)
int nlmsvc_async_call(struct nlm_rqst *req, u32 proc, const struct rpc_call_ops *tk_ops)
{
struct nlm_host *host = req->a_host;
struct rpc_clnt *clnt;
......@@ -419,13 +419,12 @@ nlmsvc_async_call(struct nlm_rqst *req, u32 proc, rpc_action callback)
msg.rpc_proc = &clnt->cl_procinfo[proc];
/* bootstrap and kick off the async RPC call */
status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, callback, req);
status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, tk_ops, req);
return status;
}
static int
nlmclnt_async_call(struct nlm_rqst *req, u32 proc, rpc_action callback)
static int nlmclnt_async_call(struct nlm_rqst *req, u32 proc, const struct rpc_call_ops *tk_ops)
{
struct nlm_host *host = req->a_host;
struct rpc_clnt *clnt;
......@@ -448,7 +447,7 @@ nlmclnt_async_call(struct nlm_rqst *req, u32 proc, rpc_action callback)
/* Increment host refcount */
nlm_get_host(host);
/* bootstrap and kick off the async RPC call */
status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, callback, req);
status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, tk_ops, req);
if (status < 0)
nlm_release_host(host);
return status;
......@@ -664,7 +663,7 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl)
if (req->a_flags & RPC_TASK_ASYNC) {
status = nlmclnt_async_call(req, NLMPROC_UNLOCK,
nlmclnt_unlock_callback);
&nlmclnt_unlock_ops);
/* Hrmf... Do the unlock early since locks_remove_posix()
* really expects us to free the lock synchronously */
do_vfs_lock(fl);
......@@ -692,10 +691,9 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl)
return -ENOLCK;
}
static void
nlmclnt_unlock_callback(struct rpc_task *task)
static void nlmclnt_unlock_callback(struct rpc_task *task, void *data)
{
struct nlm_rqst *req = (struct nlm_rqst *) task->tk_calldata;
struct nlm_rqst *req = data;
int status = req->a_res.status;
if (RPC_ASSASSINATED(task))
......@@ -722,6 +720,10 @@ nlmclnt_unlock_callback(struct rpc_task *task)
rpc_restart_call(task);
}
static const struct rpc_call_ops nlmclnt_unlock_ops = {
.rpc_call_done = nlmclnt_unlock_callback,
};
/*
* Cancel a blocked lock request.
* We always use an async RPC call for this in order not to hang a
......@@ -750,8 +752,7 @@ nlmclnt_cancel(struct nlm_host *host, struct file_lock *fl)
nlmclnt_setlockargs(req, fl);
status = nlmclnt_async_call(req, NLMPROC_CANCEL,
nlmclnt_cancel_callback);
status = nlmclnt_async_call(req, NLMPROC_CANCEL, &nlmclnt_cancel_ops);
if (status < 0) {
nlmclnt_release_lockargs(req);
kfree(req);
......@@ -765,10 +766,9 @@ nlmclnt_cancel(struct nlm_host *host, struct file_lock *fl)
return status;
}
static void
nlmclnt_cancel_callback(struct rpc_task *task)
static void nlmclnt_cancel_callback(struct rpc_task *task, void *data)
{
struct nlm_rqst *req = (struct nlm_rqst *) task->tk_calldata;
struct nlm_rqst *req = data;
if (RPC_ASSASSINATED(task))
goto die;
......@@ -807,6 +807,10 @@ nlmclnt_cancel_callback(struct rpc_task *task)
rpc_delay(task, 30 * HZ);
}
static const struct rpc_call_ops nlmclnt_cancel_ops = {
.rpc_call_done = nlmclnt_cancel_callback,
};
/*
* Convert an NLM status code to a generic kernel errno
*/
......
......@@ -22,7 +22,8 @@
#define NLMDBG_FACILITY NLMDBG_CLIENT
static u32 nlm4svc_callback(struct svc_rqst *, u32, struct nlm_res *);
static void nlm4svc_callback_exit(struct rpc_task *);
static const struct rpc_call_ops nlm4svc_callback_ops;
/*
* Obtain client and file from arguments
......@@ -470,7 +471,6 @@ nlm4svc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
}
/*
* This is the generic lockd callback for async RPC calls
*/
......@@ -494,7 +494,7 @@ nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_res *resp)
call->a_host = host;
memcpy(&call->a_args, resp, sizeof(*resp));
if (nlmsvc_async_call(call, proc, nlm4svc_callback_exit) < 0)
if (nlmsvc_async_call(call, proc, &nlm4svc_callback_ops) < 0)
goto error;
return rpc_success;
......@@ -504,10 +504,9 @@ nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_res *resp)
return rpc_system_err;
}
static void
nlm4svc_callback_exit(struct rpc_task *task)
static void nlm4svc_callback_exit(struct rpc_task *task, void *data)
{
struct nlm_rqst *call = (struct nlm_rqst *) task->tk_calldata;
struct nlm_rqst *call = data;
if (task->tk_status < 0) {
dprintk("lockd: %4d callback failed (errno = %d)\n",
......@@ -517,6 +516,10 @@ nlm4svc_callback_exit(struct rpc_task *task)
kfree(call);
}
static const struct rpc_call_ops nlm4svc_callback_ops = {
.rpc_call_done = nlm4svc_callback_exit,
};
/*
* NLM Server procedures.
*/
......
......@@ -41,7 +41,8 @@
static void nlmsvc_insert_block(struct nlm_block *block, unsigned long);
static int nlmsvc_remove_block(struct nlm_block *block);
static void nlmsvc_grant_callback(struct rpc_task *task);
static const struct rpc_call_ops nlmsvc_grant_ops;
/*
* The list of blocked locks to retry
......@@ -562,7 +563,7 @@ nlmsvc_grant_blocked(struct nlm_block *block)
/* Call the client */
nlm_get_host(block->b_call.a_host);
if (nlmsvc_async_call(&block->b_call, NLMPROC_GRANTED_MSG,
nlmsvc_grant_callback) < 0)
&nlmsvc_grant_ops) < 0)
nlm_release_host(block->b_call.a_host);
up(&file->f_sema);
}
......@@ -575,10 +576,9 @@ nlmsvc_grant_blocked(struct nlm_block *block)
* chain once more in order to have it removed by lockd itself (which can
* then sleep on the file semaphore without disrupting e.g. the nfs client).
*/
static void
nlmsvc_grant_callback(struct rpc_task *task)
static void nlmsvc_grant_callback(struct rpc_task *task, void *data)
{
struct nlm_rqst *call = (struct nlm_rqst *) task->tk_calldata;
struct nlm_rqst *call = data;
struct nlm_block *block;
unsigned long timeout;
struct sockaddr_in *peer_addr = RPC_PEERADDR(task->tk_client);
......@@ -614,6 +614,10 @@ nlmsvc_grant_callback(struct rpc_task *task)
nlm_release_host(call->a_host);
}
static const struct rpc_call_ops nlmsvc_grant_ops = {
.rpc_call_done = nlmsvc_grant_callback,
};
/*
* We received a GRANT_RES callback. Try to find the corresponding
* block.
......
......@@ -23,7 +23,8 @@
#define NLMDBG_FACILITY NLMDBG_CLIENT
static u32 nlmsvc_callback(struct svc_rqst *, u32, struct nlm_res *);
static void nlmsvc_callback_exit(struct rpc_task *);
static const struct rpc_call_ops nlmsvc_callback_ops;
#ifdef CONFIG_LOCKD_V4
static u32
......@@ -518,7 +519,7 @@ nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_res *resp)
call->a_host = host;
memcpy(&call->a_args, resp, sizeof(*resp));
if (nlmsvc_async_call(call, proc, nlmsvc_callback_exit) < 0)
if (nlmsvc_async_call(call, proc, &nlmsvc_callback_ops) < 0)
goto error;
return rpc_success;
......@@ -528,10 +529,9 @@ nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_res *resp)
return rpc_system_err;
}
static void
nlmsvc_callback_exit(struct rpc_task *task)
static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
{
struct nlm_rqst *call = (struct nlm_rqst *) task->tk_calldata;
struct nlm_rqst *call = data;
if (task->tk_status < 0) {
dprintk("lockd: %4d callback failed (errno = %d)\n",
......@@ -541,6 +541,10 @@ nlmsvc_callback_exit(struct rpc_task *task)
kfree(call);
}
static const struct rpc_call_ops nlmsvc_callback_ops = {
.rpc_call_done = nlmsvc_callback_exit,
};
/*
* NLM Server procedures.
*/
......
......@@ -269,7 +269,6 @@ static void nfs_direct_read_schedule(struct nfs_direct_req *dreq,
data->task.tk_cookie = (unsigned long) inode;
data->task.tk_calldata = data;
data->task.tk_release = nfs_readdata_release;
data->complete = nfs_direct_read_result;
lock_kernel();
......
......@@ -732,19 +732,23 @@ nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int);
static void
nfs3_read_done(struct rpc_task *task)
static void nfs3_read_done(struct rpc_task *task, void *calldata)
{
struct nfs_read_data *data = (struct nfs_read_data *) task->tk_calldata;
struct nfs_read_data *data = calldata;
if (nfs3_async_handle_jukebox(task))
return;
/* Call back common NFS readpage processing */
if (task->tk_status >= 0)
nfs_refresh_inode(data->inode, &data->fattr);
nfs_readpage_result(task);
nfs_readpage_result(task, calldata);
}
static const struct rpc_call_ops nfs3_read_ops = {
.rpc_call_done = nfs3_read_done,
.rpc_release = nfs_readdata_release,
};
static void
nfs3_proc_read_setup(struct nfs_read_data *data)
{
......@@ -762,23 +766,26 @@ nfs3_proc_read_setup(struct nfs_read_data *data)
flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0);
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs3_read_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_read_ops, data);
rpc_call_setup(task, &msg, 0);
}
static void
nfs3_write_done(struct rpc_task *task)
static void nfs3_write_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data;
struct nfs_write_data *data = calldata;
if (nfs3_async_handle_jukebox(task))
return;
data = (struct nfs_write_data *)task->tk_calldata;
if (task->tk_status >= 0)
nfs_post_op_update_inode(data->inode, data->res.fattr);
nfs_writeback_done(task);
nfs_writeback_done(task, calldata);
}
static const struct rpc_call_ops nfs3_write_ops = {
.rpc_call_done = nfs3_write_done,
.rpc_release = nfs_writedata_release,
};
static void
nfs3_proc_write_setup(struct nfs_write_data *data, int how)
{
......@@ -806,23 +813,26 @@ nfs3_proc_write_setup(struct nfs_write_data *data, int how)
flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs3_write_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_write_ops, data);
rpc_call_setup(task, &msg, 0);
}
static void
nfs3_commit_done(struct rpc_task *task)
static void nfs3_commit_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data;
struct nfs_write_data *data = calldata;
if (nfs3_async_handle_jukebox(task))
return;
data = (struct nfs_write_data *)task->tk_calldata;
if (task->tk_status >= 0)
nfs_post_op_update_inode(data->inode, data->res.fattr);
nfs_commit_done(task);
nfs_commit_done(task, calldata);
}
static const struct rpc_call_ops nfs3_commit_ops = {
.rpc_call_done = nfs3_commit_done,
.rpc_release = nfs_commit_release,
};
static void
nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
{
......@@ -840,7 +850,7 @@ nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs3_commit_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_commit_ops, data);
rpc_call_setup(task, &msg, 0);
}
......
......@@ -196,14 +196,12 @@ static void update_changeattr(struct inode *inode, struct nfs4_change_info *cinf
/* Helper for asynchronous RPC calls */
static int nfs4_call_async(struct rpc_clnt *clnt, rpc_action tk_begin,
rpc_action tk_exit, void *calldata)
const struct rpc_call_ops *tk_ops, void *calldata)
{
struct rpc_task *task;
if (!(task = rpc_new_task(clnt, tk_exit, RPC_TASK_ASYNC)))
if (!(task = rpc_new_task(clnt, RPC_TASK_ASYNC, tk_ops, calldata)))
return -ENOMEM;
task->tk_calldata = calldata;
task->tk_action = tk_begin;
rpc_execute(task);
return 0;
......@@ -867,10 +865,10 @@ struct nfs4_closedata {
struct nfs_fattr fattr;
};
static void nfs4_free_closedata(struct nfs4_closedata *calldata)
static void nfs4_free_closedata(void *data)
{
struct nfs4_state *state = calldata->state;
struct nfs4_state_owner *sp = state->owner;
struct nfs4_closedata *calldata = data;
struct nfs4_state_owner *sp = calldata->state->owner;
nfs4_put_open_state(calldata->state);
nfs_free_seqid(calldata->arg.seqid);
......@@ -878,9 +876,9 @@ static void nfs4_free_closedata(struct nfs4_closedata *calldata)
kfree(calldata);
}
static void nfs4_close_done(struct rpc_task *task)
static void nfs4_close_done(struct rpc_task *task, void *data)
{
struct nfs4_closedata *calldata = (struct nfs4_closedata *)task->tk_calldata;
struct nfs4_closedata *calldata = data;
struct nfs4_state *state = calldata->state;
struct nfs_server *server = NFS_SERVER(calldata->inode);
......@@ -904,7 +902,6 @@ static void nfs4_close_done(struct rpc_task *task)
}
}
nfs_refresh_inode(calldata->inode, calldata->res.fattr);
nfs4_free_closedata(calldata);
}
static void nfs4_close_begin(struct rpc_task *task)
......@@ -918,10 +915,8 @@ static void nfs4_close_begin(struct rpc_task *task)
.rpc_cred = state->owner->so_cred,
};
int mode = 0, old_mode;
int status;
status = nfs_wait_on_sequence(calldata->arg.seqid, task);
if (status != 0)
if (nfs_wait_on_sequence(calldata->arg.seqid, task) != 0)
return;
/* Recalculate the new open mode in case someone reopened the file
* while we were waiting in line to be scheduled.
......@@ -937,9 +932,8 @@ static void nfs4_close_begin(struct rpc_task *task)
spin_unlock(&calldata->inode->i_lock);
spin_unlock(&state->owner->so_lock);
if (mode == old_mode || test_bit(NFS_DELEGATED_STATE, &state->flags)) {
nfs4_free_closedata(calldata);
task->tk_exit = NULL;
rpc_exit(task, 0);
/* Note: exit _without_ calling nfs4_close_done */
task->tk_action = NULL;
return;
}
nfs_fattr_init(calldata->res.fattr);
......@@ -949,6 +943,11 @@ static void nfs4_close_begin(struct rpc_task *task)
rpc_call_setup(task, &msg, 0);
}
static const struct rpc_call_ops nfs4_close_ops = {
.rpc_call_done = nfs4_close_done,
.rpc_release = nfs4_free_closedata,
};
/*
* It is possible for data to be read/written from a mem-mapped file
* after the sys_close call (which hits the vfs layer as a flush).
......@@ -982,7 +981,7 @@ int nfs4_do_close(struct inode *inode, struct nfs4_state *state)
calldata->res.server = server;
status = nfs4_call_async(server->client, nfs4_close_begin,
nfs4_close_done, calldata);
&nfs4_close_ops, calldata);
if (status == 0)
goto out;
......@@ -2125,10 +2124,9 @@ static int nfs4_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
return err;
}
static void
nfs4_read_done(struct rpc_task *task)
static void nfs4_read_done(struct rpc_task *task, void *calldata)
{
struct nfs_read_data *data = (struct nfs_read_data *) task->tk_calldata;
struct nfs_read_data *data = calldata;
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode)) == -EAGAIN) {
......@@ -2138,9 +2136,14 @@ nfs4_read_done(struct rpc_task *task)
if (task->tk_status > 0)
renew_lease(NFS_SERVER(inode), data->timestamp);
/* Call back common NFS readpage processing */
nfs_readpage_result(task);
nfs_readpage_result(task, calldata);
}
static const struct rpc_call_ops nfs4_read_ops = {
.rpc_call_done = nfs4_read_done,
.rpc_release = nfs_readdata_release,
};
static void
nfs4_proc_read_setup(struct nfs_read_data *data)
{
......@@ -2160,14 +2163,13 @@ nfs4_proc_read_setup(struct nfs_read_data *data)
flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0);
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs4_read_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs4_read_ops, data);
rpc_call_setup(task, &msg, 0);
}
static void
nfs4_write_done(struct rpc_task *task)
static void nfs4_write_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = (struct nfs_write_data *) task->tk_calldata;
struct nfs_write_data *data = calldata;
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode)) == -EAGAIN) {
......@@ -2179,9 +2181,14 @@ nfs4_write_done(struct rpc_task *task)
nfs_post_op_update_inode(inode, data->res.fattr);
}
/* Call back common NFS writeback processing */
nfs_writeback_done(task);
nfs_writeback_done(task, calldata);
}
static const struct rpc_call_ops nfs4_write_ops = {
.rpc_call_done = nfs4_write_done,
.rpc_release = nfs_writedata_release,
};
static void
nfs4_proc_write_setup(struct nfs_write_data *data, int how)
{
......@@ -2214,14 +2221,13 @@ nfs4_proc_write_setup(struct nfs_write_data *data, int how)
flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs4_write_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs4_write_ops, data);
rpc_call_setup(task, &msg, 0);
}
static void
nfs4_commit_done(struct rpc_task *task)
static void nfs4_commit_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = (struct nfs_write_data *) task->tk_calldata;
struct nfs_write_data *data = calldata;
struct inode *inode = data->inode;
if (nfs4_async_handle_error(task, NFS_SERVER(inode)) == -EAGAIN) {
......@@ -2231,9 +2237,14 @@ nfs4_commit_done(struct rpc_task *task)
if (task->tk_status >= 0)
nfs_post_op_update_inode(inode, data->res.fattr);
/* Call back common NFS writeback processing */
nfs_commit_done(task);
nfs_commit_done(task, calldata);
}
static const struct rpc_call_ops nfs4_commit_ops = {
.rpc_call_done = nfs4_commit_done,
.rpc_release = nfs_commit_release,
};
static void
nfs4_proc_commit_setup(struct nfs_write_data *data, int how)
{
......@@ -2255,7 +2266,7 @@ nfs4_proc_commit_setup(struct nfs_write_data *data, int how)
flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs4_commit_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs4_commit_ops, data);
rpc_call_setup(task, &msg, 0);
}
......@@ -2263,11 +2274,10 @@ nfs4_proc_commit_setup(struct nfs_write_data *data, int how)
* nfs4_proc_async_renew(): This is not one of the nfs_rpc_ops; it is a special
* standalone procedure for queueing an asynchronous RENEW.
*/
static void
renew_done(struct rpc_task *task)
static void nfs4_renew_done(struct rpc_task *task, void *data)
{
struct nfs4_client *clp = (struct nfs4_client *)task->tk_msg.rpc_argp;
unsigned long timestamp = (unsigned long)task->tk_calldata;
unsigned long timestamp = (unsigned long)data;
if (task->tk_status < 0) {
switch (task->tk_status) {
......@@ -2284,6 +2294,10 @@ renew_done(struct rpc_task *task)
spin_unlock(&clp->cl_lock);
}
static const struct rpc_call_ops nfs4_renew_ops = {
.rpc_call_done = nfs4_renew_done,
};
int
nfs4_proc_async_renew(struct nfs4_client *clp)
{
......@@ -2294,7 +2308,7 @@ nfs4_proc_async_renew(struct nfs4_client *clp)
};
return rpc_call_async(clp->cl_rpcclient, &msg, RPC_TASK_SOFT,
renew_done, (void *)jiffies);
&nfs4_renew_ops, (void *)jiffies);
}
int
......@@ -2866,15 +2880,16 @@ static void nfs4_locku_release_calldata(struct nfs4_unlockdata *calldata)
}
}
static void nfs4_locku_complete(struct nfs4_unlockdata *calldata)
static void nfs4_locku_complete(void *data)
{
struct nfs4_unlockdata *calldata = data;
complete(&calldata->completion);
nfs4_locku_release_calldata(calldata);
}
static void nfs4_locku_done(struct rpc_task *task)
static void nfs4_locku_done(struct rpc_task *task, void *data)
{
struct nfs4_unlockdata *calldata = (struct nfs4_unlockdata *)task->tk_calldata;
struct nfs4_unlockdata *calldata = data;
nfs_increment_lock_seqid(task->tk_status, calldata->luargs.seqid);
switch (task->tk_status) {
......@@ -2890,10 +2905,8 @@ static void nfs4_locku_done(struct rpc_task *task)
default:
if (nfs4_async_handle_error(task, calldata->res.server) == -EAGAIN) {
rpc_restart_call(task);
return;
}
}
nfs4_locku_complete(calldata);
}
static void nfs4_locku_begin(struct rpc_task *task)
......@@ -2911,14 +2924,18 @@ static void nfs4_locku_begin(struct rpc_task *task)
if (status != 0)
return;
if ((calldata->lsp->ls_flags & NFS_LOCK_INITIALIZED) == 0) {
nfs4_locku_complete(calldata);
task->tk_exit = NULL;
rpc_exit(task, 0);
/* Note: exit _without_ running nfs4_locku_done */
task->tk_action = NULL;
return;
}
rpc_call_setup(task, &msg, 0);
}
static const struct rpc_call_ops nfs4_locku_ops = {
.rpc_call_done = nfs4_locku_done,
.rpc_release = nfs4_locku_complete,
};
static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *request)
{
struct nfs4_unlockdata *calldata;
......@@ -2963,7 +2980,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
init_completion(&calldata->completion);
status = nfs4_call_async(NFS_SERVER(inode)->client, nfs4_locku_begin,
nfs4_locku_done, calldata);
&nfs4_locku_ops, calldata);
if (status == 0)
wait_for_completion_interruptible(&calldata->completion);
do_vfs_lock(request->fl_file, request);
......
......@@ -547,10 +547,9 @@ nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
extern u32 * nfs_decode_dirent(u32 *, struct nfs_entry *, int);
static void
nfs_read_done(struct rpc_task *task)
static void nfs_read_done(struct rpc_task *task, void *calldata)
{
struct nfs_read_data *data = (struct nfs_read_data *) task->tk_calldata;
struct nfs_read_data *data = calldata;
if (task->tk_status >= 0) {
nfs_refresh_inode(data->inode, data->res.fattr);
......@@ -560,9 +559,14 @@ nfs_read_done(struct rpc_task *task)
if (data->args.offset + data->args.count >= data->res.fattr->size)
data->res.eof = 1;
}
nfs_readpage_result(task);
nfs_readpage_result(task, calldata);
}
static const struct rpc_call_ops nfs_read_ops = {
.rpc_call_done = nfs_read_done,
.rpc_release = nfs_readdata_release,
};
static void
nfs_proc_read_setup(struct nfs_read_data *data)
{
......@@ -580,20 +584,24 @@ nfs_proc_read_setup(struct nfs_read_data *data)
flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0);
/* Finalize the task. */
rpc_init_task(task, NFS_CLIENT(inode), nfs_read_done, flags);
rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs_read_ops, data);
rpc_call_setup(task, &msg, 0);
}
static void
nfs_write_done(struct rpc_task *task)
static void nfs_write_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = (struct nfs_write_data *) task->tk_calldata;
struct nfs_write_data *data = calldata;
if (task->tk_status >= 0)
nfs_post_op_update_inode(data->inode, data->res.fattr);