Try to make the comment here a little more clear and concise.
Also, this macro definition seems unnecessary.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
---
include/linux/sunrpc/sched.h | 1 -
net/sunrpc/sched.c | 14 +++++---------
2 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index d1a5c8c..64981a2 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -135,7 +135,6 @@ struct rpc_task_setup {
#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)
#define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS)
#define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED)
-#define RPC_DO_CALLBACK(t) ((t)->tk_callback != NULL)
#define RPC_IS_SOFT(t) ((t)->tk_flags & RPC_TASK_SOFT)
#define RPC_TASK_RUNNING 0
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 6eab9bf..6288af0 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -626,19 +626,15 @@ static void __rpc_execute(struct rpc_task *task)
/*
* Execute any pending callback.
*/
- if (RPC_DO_CALLBACK(task)) {
- /* Define a callback save pointer */
+ if (task->tk_callback) {
void (*save_callback)(struct rpc_task *);
/*
- * If a callback exists, save it, reset it,
- * call it.
- * The save is needed to stop from resetting
- * another callback set within the callback handler
- * - Dave
+ * We set tk_callback to NULL before calling it,
+ * in case it sets the tk_callback field itself:
*/
- save_callback=task->tk_callback;
- task->tk_callback=NULL;
+ save_callback = task->tk_callback;
+ task->tk_callback = NULL;
save_callback(task);
}
--
1.5.5.rc1
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