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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-10-25 18:42:53 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 02:05:38 -0500
commite8f5d77c8029ff8f5dcd1dfc133aac0bbbffd92b (patch)
tree590563991cc37325ef6c346745f0163c329e3e2c
parentb5627943ab6fabbc13a45d92683363a3d08a249f (diff)
SUNRPC: allow the caller of rpc_run_task to preallocate the struct rpc_task
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--include/linux/sunrpc/sched.h1
-rw-r--r--net/sunrpc/sched.c16
2 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index c9444fdc23ac..60a05c71637e 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -118,6 +118,7 @@ struct rpc_call_ops {
};
struct rpc_task_setup {
+ struct rpc_task *task;
struct rpc_clnt *rpc_client;
const struct rpc_message *rpc_message;
const struct rpc_call_ops *callback_ops;
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index fa53a88b2c5b..c03e7bf6e9bc 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -885,16 +885,20 @@ static void rpc_free_task(struct rcu_head *rcu)
*/
struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data)
{
- struct rpc_task *task;
-
- task = rpc_alloc_task();
- if (!task)
- goto out;
+ struct rpc_task *task = setup_data->task;
+ unsigned short flags = 0;
+
+ if (task == NULL) {
+ task = rpc_alloc_task();
+ if (task == NULL)
+ goto out;
+ flags = RPC_TASK_DYNAMIC;
+ }
rpc_init_task(task, setup_data);
+ task->tk_flags |= flags;
dprintk("RPC: allocated task %p\n", task);
- task->tk_flags |= RPC_TASK_DYNAMIC;
out:
return task;
}