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authorAlexandros Batsakis <batsakis@netapp.com>2009-12-14 21:27:55 -0800
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-12-15 13:53:54 -0500
commitcf3b01b54880debb01ea7d471123da5887a7c2cb (patch)
tree54fc0c9014297706e1c7f760d6e0396d24954a68 /include/linux/sunrpc/sched.h
parent40ead580ae70bba1f66f426aeb938051e4e83900 (diff)
rpc: add a new priority in RPC task
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc/sched.h')
-rw-r--r--include/linux/sunrpc/sched.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 9157405f932..7bc7fd5291c 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -173,7 +173,8 @@ struct rpc_task_setup {
#define RPC_PRIORITY_LOW (-1)
#define RPC_PRIORITY_NORMAL (0)
#define RPC_PRIORITY_HIGH (1)
-#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_HIGH - RPC_PRIORITY_LOW)
+#define RPC_PRIORITY_PRIVILEGED (2)
+#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_PRIVILEGED - RPC_PRIORITY_LOW)
struct rpc_timer {
struct timer_list timer;
@@ -255,6 +256,16 @@ static inline int rpc_wait_for_completion_task(struct rpc_task *task)
return __rpc_wait_for_completion_task(task, NULL);
}
+static inline void rpc_task_set_priority(struct rpc_task *task, unsigned char prio)
+{
+ task->tk_priority = prio - RPC_PRIORITY_LOW;
+}
+
+static inline int rpc_task_has_priority(struct rpc_task *task, unsigned char prio)
+{
+ return (task->tk_priority + RPC_PRIORITY_LOW == prio);
+}
+
#ifdef RPC_DEBUG
static inline const char * rpc_qname(struct rpc_wait_queue *q)
{