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| author | Alexandros Batsakis <batsakis@netapp.com> | 2009-12-15 08:27:53 +0300 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-12-15 21:51:17 +0300 |
| commit | 48f186124220794fce85ed1439fc32f16f69d3e2 (patch) | |
| tree | c200395b4238a19d6653b23a43537ac29b7b8cf4 /net/sunrpc/sched.c | |
| parent | afe6c27ccb8cc31ce8ed0bd3589ce549f523c8e7 (diff) | |
| download | linux-48f186124220794fce85ed1439fc32f16f69d3e2.tar.xz | |
rpc: add rpc_queue_empty function
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/sched.c')
| -rw-r--r-- | net/sunrpc/sched.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index cef74ba0666c..89ea8e69ec78 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -385,6 +385,20 @@ static void rpc_wake_up_task_queue_locked(struct rpc_wait_queue *queue, struct r } /* + * Tests whether rpc queue is empty + */ +int rpc_queue_empty(struct rpc_wait_queue *queue) +{ + int res; + + spin_lock_bh(&queue->lock); + res = queue->qlen; + spin_unlock_bh(&queue->lock); + return (res == 0); +} +EXPORT_SYMBOL_GPL(rpc_queue_empty); + +/* * Wake up a task on a specific queue */ void rpc_wake_up_queued_task(struct rpc_wait_queue *queue, struct rpc_task *task) |