SUNRPC: Clean up the initialisation of priority queue scheduling info.

We want the default scheduling priority (priority == 0) to remain
RPC_PRIORITY_NORMAL.

Also ensure that the priority wait queue scheduling is per process id
instead of sometimes being per thread, and sometimes being per inode.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

3 files changed, 5 insertions, 19 deletions

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index f9f5fc1..5bcc764 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -331,8 +331,6 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq,
 		rpc_init_task(&data->task, &task_setup_data);
 		NFS_PROTO(inode)->read_setup(data);
 
-		data->task.tk_cookie = (unsigned long) inode;
-
 		rpc_execute(&data->task);
 
 		dprintk("NFS: %5u initiated direct read call "
@@ -465,9 +463,6 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq)
 		rpc_init_task(&data->task, &task_setup_data);
 		NFS_PROTO(inode)->write_setup(data, FLUSH_STABLE);
 
-		data->task.tk_priority = RPC_PRIORITY_NORMAL;
-		data->task.tk_cookie = (unsigned long) inode;
-
 		/*
 		 * We're called via an RPC callback, so BKL is already held.
 		 */
@@ -534,8 +529,6 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
 	rpc_init_task(&data->task, &task_setup_data);
 	NFS_PROTO(data->inode)->commit_setup(data, 0);
 
-	data->task.tk_priority = RPC_PRIORITY_NORMAL;
-	data->task.tk_cookie = (unsigned long)data->inode;
 	/* Note: task.tk_ops->rpc_release will free dreq->commit_data */
 	dreq->commit_data = NULL;
 
@@ -718,9 +711,6 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq,
 		rpc_init_task(&data->task, &task_setup_data);
 		NFS_PROTO(inode)->write_setup(data, sync);
 
-		data->task.tk_priority = RPC_PRIORITY_NORMAL;
-		data->task.tk_cookie = (unsigned long) inode;
-
 		rpc_execute(&data->task);
 
 		dprintk("NFS: %5u initiated direct write call "
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index c7f0d5e..8f1eb08 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -189,8 +189,6 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
 	rpc_init_task(&data->task, &task_setup_data);
 	NFS_PROTO(inode)->read_setup(data);
 
-	data->task.tk_cookie = (unsigned long)inode;
-
 	dprintk("NFS: %5u initiated read call (req %s/%Ld, %u bytes @ offset %Lu)\n",
 			data->task.tk_pid,
 			inode->i_sb->s_id,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index c437660..8d90e90 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -753,7 +753,7 @@ static void nfs_writepage_release(struct nfs_page *req)
 	nfs_clear_page_tag_locked(req);
 }
 
-static inline int flush_task_priority(int how)
+static int flush_task_priority(int how)
 {
 	switch (how & (FLUSH_HIGHPRI|FLUSH_LOWPRI)) {
 		case FLUSH_HIGHPRI:
@@ -775,11 +775,13 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
 {
 	struct inode *inode = req->wb_context->path.dentry->d_inode;
 	int flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
+	int priority = flush_task_priority(how);
 	struct rpc_task_setup task_setup_data = {
 		.rpc_client = NFS_CLIENT(inode),
 		.callback_ops = call_ops,
 		.callback_data = data,
 		.flags = flags,
+		.priority = priority,
 	};
 
 	/* Set up the RPC argument and reply structs
@@ -805,9 +807,6 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
 	rpc_init_task(&data->task, &task_setup_data);
 	NFS_PROTO(inode)->write_setup(data, how);
 
-	data->task.tk_priority = flush_task_priority(how);
-	data->task.tk_cookie = (unsigned long)inode;
-
 	dprintk("NFS: %5u initiated write call "
 		"(req %s/%Ld, %u bytes @ offset %Lu)\n",
 		data->task.tk_pid,
@@ -1152,11 +1151,13 @@ static void nfs_commit_rpcsetup(struct list_head *head,
 	struct nfs_page *first = nfs_list_entry(head->next);
 	struct inode *inode = first->wb_context->path.dentry->d_inode;
 	int flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
+	int priority = flush_task_priority(how);
 	struct rpc_task_setup task_setup_data = {
 		.rpc_client = NFS_CLIENT(inode),
 		.callback_ops = &nfs_commit_ops,
 		.callback_data = data,
 		.flags = flags,
+		.priority = priority,
 	};
 
 	/* Set up the RPC argument and reply structs
@@ -1180,9 +1181,6 @@ static void nfs_commit_rpcsetup(struct list_head *head,
 	rpc_init_task(&data->task, &task_setup_data);
 	NFS_PROTO(inode)->commit_setup(data, how);
 
-	data->task.tk_priority = flush_task_priority(how);
-	data->task.tk_cookie = (unsigned long)inode;
-	
 	dprintk("NFS: %5u initiated commit call\n", data->task.tk_pid);
 }