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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 19:04:15 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 19:06:24 +0000
commita7790532f5b7358c33a6b1834dc2b318de209f31 (patch)
tree0ceb9e24b3f54cb5c8453fb5a218e2a94a0f1cce /net/sunrpc/sched.c
parent2764fb4244cc1bc08df3667924ca4a972e90ac70 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
The SmartMedia FTL code depends on new kfifo bits from 2.6.33
Diffstat (limited to 'net/sunrpc/sched.c')
-rw-r--r--net/sunrpc/sched.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index cef74ba0666..aae6907fd54 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -210,6 +210,7 @@ void rpc_init_priority_wait_queue(struct rpc_wait_queue *queue, const char *qnam
{
__rpc_init_priority_wait_queue(queue, qname, RPC_NR_PRIORITY);
}
+EXPORT_SYMBOL_GPL(rpc_init_priority_wait_queue);
void rpc_init_wait_queue(struct rpc_wait_queue *queue, const char *qname)
{
@@ -385,6 +386,20 @@ 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)