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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-07-31 14:29:08 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-08-04 08:54:07 -0400
commitd9b6cd94601e1d17273f93a326a135fbf487a918 (patch)
tree5c616c0717551d02d16da685fbbd93344859fa28 /net/sunrpc
parent241269bd0b580faae71575443d9ab38df7469126 (diff)
downloadlinux-d9b6cd94601e1d17273f93a326a135fbf487a918.tar.bz2
SUNRPC: Ensure that rpc_exit() always wakes up a sleeping task
Make rpc_exit() non-inline, and ensure that it always wakes up a task that has been queued. Kill off the now unused rpc_wake_up_task(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/sched.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 4a843b883b89..37452762af70 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -406,14 +406,6 @@ void rpc_wake_up_queued_task(struct rpc_wait_queue *queue, struct rpc_task *task
EXPORT_SYMBOL_GPL(rpc_wake_up_queued_task);
/*
- * Wake up the specified task
- */
-static void rpc_wake_up_task(struct rpc_task *task)
-{
- rpc_wake_up_queued_task(task->tk_waitqueue, task);
-}
-
-/*
* Wake up the next task on a priority queue.
*/
static struct rpc_task * __rpc_wake_up_next_priority(struct rpc_wait_queue *queue)
@@ -600,7 +592,15 @@ void rpc_exit_task(struct rpc_task *task)
}
}
}
-EXPORT_SYMBOL_GPL(rpc_exit_task);
+
+void rpc_exit(struct rpc_task *task, int status)
+{
+ task->tk_status = status;
+ task->tk_action = rpc_exit_task;
+ if (RPC_IS_QUEUED(task))
+ rpc_wake_up_queued_task(task->tk_waitqueue, task);
+}
+EXPORT_SYMBOL_GPL(rpc_exit);
void rpc_release_calldata(const struct rpc_call_ops *ops, void *calldata)
{
@@ -690,7 +690,6 @@ static void __rpc_execute(struct rpc_task *task)
dprintk("RPC: %5u got signal\n", task->tk_pid);
task->tk_flags |= RPC_TASK_KILLED;
rpc_exit(task, -ERESTARTSYS);
- rpc_wake_up_task(task);
}
rpc_set_running(task);
dprintk("RPC: %5u sync task resuming\n", task->tk_pid);
@@ -950,7 +949,6 @@ void rpc_killall_tasks(struct rpc_clnt *clnt)
if (!(rovr->tk_flags & RPC_TASK_KILLED)) {
rovr->tk_flags |= RPC_TASK_KILLED;
rpc_exit(rovr, -EIO);
- rpc_wake_up_task(rovr);
}
}
spin_unlock(&clnt->cl_lock);