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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-18 16:18:52 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-02-28 23:21:59 -0800
commit36df9aae3158ce8fc4ede241169dc94ac910d884 (patch)
tree5f6caa22ce9414850fd34eefb54150b120a8f4e7 /include/linux/sunrpc
parentf6a1cc89309f0ae847a9b6fe418d1c4215e5bc55 (diff)
SUNRPC: Add a timer function to wait queues.
This is designed to replace the timeout timer in the individual rpc_tasks. By putting the timer function in the wait queue, we will eventually be able to reduce the total number of timers in use by the RPC subsystem. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/sched.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index d39729e2b89..7751d3a0549 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -33,6 +33,8 @@ struct rpc_wait_queue;
struct rpc_wait {
struct list_head list; /* wait queue links */
struct list_head links; /* Links to related tasks */
+ struct list_head timer_list; /* Timer list */
+ unsigned long expires;
};
/*
@@ -191,6 +193,12 @@ struct rpc_task_setup {
#define RPC_PRIORITY_HIGH (1)
#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_HIGH - RPC_PRIORITY_LOW)
+struct rpc_timer {
+ struct timer_list timer;
+ struct list_head list;
+ unsigned long expires;
+};
+
/*
* RPC synchronization objects
*/
@@ -203,6 +211,7 @@ struct rpc_wait_queue {
unsigned char count; /* # task groups remaining serviced so far */
unsigned char nr; /* # tasks remaining for cookie */
unsigned short qlen; /* total # tasks waiting in queue */
+ struct rpc_timer timer_list;
#ifdef RPC_DEBUG
const char * name;
#endif