struct inode *,
struct page *,
unsigned int, unsigned int);
-static void nfs_writeback_done_partial(struct nfs_write_data *, int);
-static void nfs_writeback_done_full(struct nfs_write_data *, int);
+static int nfs_writeback_done(struct rpc_task *, struct nfs_write_data *);
static int nfs_wait_on_write_congestion(struct address_space *, int);
static int nfs_wait_on_requests(struct inode *, unsigned long, unsigned int);
static int nfs_flush_inode(struct inode *inode, unsigned long idx_start,
unsigned int npages, int how);
+static const struct rpc_call_ops nfs_write_partial_ops;
+static const struct rpc_call_ops nfs_write_full_ops;
+static const struct rpc_call_ops nfs_commit_ops;
static kmem_cache_t *nfs_wdata_cachep;
mempool_t *nfs_wdata_mempool;
*/
static void nfs_write_rpcsetup(struct nfs_page *req,
struct nfs_write_data *data,
+ const struct rpc_call_ops *call_ops,
unsigned int count, unsigned int offset,
int how)
{
struct inode *inode;
+ int flags;
/* Set up the RPC argument and reply structs
* NB: take care not to mess about with data->commit et al. */
data->res.verf = &data->verf;
nfs_fattr_init(&data->fattr);
+ /* Set up the initial task struct. */
+ flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
+ rpc_init_task(&data->task, NFS_CLIENT(inode), flags, call_ops, data);
NFS_PROTO(inode)->write_setup(data, how);
data->task.tk_priority = flush_task_priority(how);
list_del_init(&data->pages);
data->pagevec[0] = page;
- data->complete = nfs_writeback_done_partial;
if (nbytes > wsize) {
- nfs_write_rpcsetup(req, data, wsize, offset, how);
+ nfs_write_rpcsetup(req, data, &nfs_write_partial_ops,
+ wsize, offset, how);
offset += wsize;
nbytes -= wsize;
} else {
- nfs_write_rpcsetup(req, data, nbytes, offset, how);
+ nfs_write_rpcsetup(req, data, &nfs_write_partial_ops,
+ nbytes, offset, how);
nbytes = 0;
}
nfs_execute_write(data);
}
req = nfs_list_entry(data->pages.next);
- data->complete = nfs_writeback_done_full;
/* Set up the argument struct */
- nfs_write_rpcsetup(req, data, count, 0, how);
+ nfs_write_rpcsetup(req, data, &nfs_write_full_ops, count, 0, how);
nfs_execute_write(data);
return 0;
/*
* Handle a write reply that flushed part of a page.
*/
-static void nfs_writeback_done_partial(struct nfs_write_data *data, int status)
+static void nfs_writeback_done_partial(struct rpc_task *task, void *calldata)
{
+ struct nfs_write_data *data = calldata;
struct nfs_page *req = data->req;
struct page *page = req->wb_page;
req->wb_bytes,
(long long)req_offset(req));
- if (status < 0) {
+ if (nfs_writeback_done(task, data) != 0)
+ return;
+
+ if (task->tk_status < 0) {
ClearPageUptodate(page);
SetPageError(page);
- req->wb_context->error = status;
- dprintk(", error = %d\n", status);
+ req->wb_context->error = task->tk_status;
+ dprintk(", error = %d\n", task->tk_status);
} else {
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
if (data->verf.committed < NFS_FILE_SYNC) {
nfs_writepage_release(req);
}
+static const struct rpc_call_ops nfs_write_partial_ops = {
+ .rpc_call_done = nfs_writeback_done_partial,
+ .rpc_release = nfs_writedata_release,
+};
+
/*
* Handle a write reply that flushes a whole page.
*
* writebacks since the page->count is kept > 1 for as long
* as the page has a write request pending.
*/
-static void nfs_writeback_done_full(struct nfs_write_data *data, int status)
+static void nfs_writeback_done_full(struct rpc_task *task, void *calldata)
{
+ struct nfs_write_data *data = calldata;
struct nfs_page *req;
struct page *page;
+ if (nfs_writeback_done(task, data) != 0)
+ return;
+
/* Update attributes as result of writeback. */
while (!list_empty(&data->pages)) {
req = nfs_list_entry(data->pages.next);
req->wb_bytes,
(long long)req_offset(req));
- if (status < 0) {
+ if (task->tk_status < 0) {
ClearPageUptodate(page);
SetPageError(page);
- req->wb_context->error = status;
+ req->wb_context->error = task->tk_status;
end_page_writeback(page);
nfs_inode_remove_request(req);
- dprintk(", error = %d\n", status);
+ dprintk(", error = %d\n", task->tk_status);
goto next;
}
end_page_writeback(page);
}
}
+static const struct rpc_call_ops nfs_write_full_ops = {
+ .rpc_call_done = nfs_writeback_done_full,
+ .rpc_release = nfs_writedata_release,
+};
+
+
/*
* This function is called when the WRITE call is complete.
*/
-void nfs_writeback_done(struct rpc_task *task, void *calldata)
+static int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
{
- struct nfs_write_data *data = calldata;
struct nfs_writeargs *argp = &data->args;
struct nfs_writeres *resp = &data->res;
+ int status;
dprintk("NFS: %4d nfs_writeback_done (status %d)\n",
task->tk_pid, task->tk_status);
+ /* Call the NFS version-specific code */
+ status = NFS_PROTO(data->inode)->write_done(task, data);
+ if (status != 0)
+ return status;
nfs_add_stats(data->inode, NFSIOS_SERVERWRITTENBYTES, resp->count);
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
argp->stable = NFS_FILE_SYNC;
}
rpc_restart_call(task);
- return;
+ return -EAGAIN;
}
if (time_before(complain, jiffies)) {
printk(KERN_WARNING
/* Can't do anything about it except throw an error. */
task->tk_status = -EIO;
}
-
- /*
- * Process the nfs_page list
- */
- data->complete(data, task->tk_status);
+ return 0;
}
* Set up the argument/result storage required for the RPC call.
*/
static void nfs_commit_rpcsetup(struct list_head *head,
- struct nfs_write_data *data, int how)
+ struct nfs_write_data *data,
+ int how)
{
struct nfs_page *first;
struct inode *inode;
+ int flags;
/* Set up the RPC argument and reply structs
* NB: take care not to mess about with data->commit et al. */
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
nfs_fattr_init(&data->fattr);
-
+
+ /* Set up the initial task struct. */
+ flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
+ rpc_init_task(&data->task, NFS_CLIENT(inode), flags, &nfs_commit_ops, data);
NFS_PROTO(inode)->commit_setup(data, how);
data->task.tk_priority = flush_task_priority(how);
/*
* COMMIT call returned
*/
-void nfs_commit_done(struct rpc_task *task, void *calldata)
+static void nfs_commit_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = calldata;
struct nfs_page *req;
dprintk("NFS: %4d nfs_commit_done (status %d)\n",
task->tk_pid, task->tk_status);
+ /* Call the NFS version-specific code */
+ if (NFS_PROTO(data->inode)->commit_done(task, data) != 0)
+ return;
+
while (!list_empty(&data->pages)) {
req = nfs_list_entry(data->pages.next);
nfs_list_remove_request(req);
}
sub_page_state(nr_unstable,res);
}
+
+static const struct rpc_call_ops nfs_commit_ops = {
+ .rpc_call_done = nfs_commit_done,
+ .rpc_release = nfs_commit_release,
+};
#endif
static int nfs_flush_inode(struct inode *inode, unsigned long idx_start,
projects / linux-2.6 / blobdiff