For workqueue-based services we'll want to queue a workqueue job
whenever a xprt needs to be serviced. Add a work_struct to svc_xprt
and initialize it from a new work_func_t field in the svc_serv_ops.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
---
include/linux/sunrpc/svc.h | 3 +++
include/linux/sunrpc/svc_xprt.h | 1 +
net/sunrpc/svc.c | 2 +-
net/sunrpc/svc_xprt.c | 2 ++
4 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 3d2113222dda..8bd53f723485 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -58,6 +58,9 @@ struct svc_serv_ops {
/* function for service threads to run */
int (*svo_function)(void *);
+ /* xprt work function */
+ work_func_t svo_xprt_work;
+
/* queue up a transport for servicing */
void (*svo_enqueue_xprt)(struct svc_xprt *);
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 78512cfe1fe6..096937871cda 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -53,6 +53,7 @@ struct svc_xprt {
struct kref xpt_ref;
struct list_head xpt_list;
struct list_head xpt_ready;
+ struct work_struct xpt_work;
unsigned long xpt_flags;
#define XPT_BUSY 0 /* enqueued/receiving */
#define XPT_CONN 1 /* conn pending */
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 165fa1803a0a..135ffbe9d983 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -34,7 +34,7 @@
static void svc_unregister(const struct svc_serv *serv, struct net *net);
-#define svc_serv_is_pooled(serv) ((serv)->sv_ops->svo_function)
+#define svc_serv_is_pooled(serv) ((serv)->sv_ops->svo_function || (serv)->sv_ops->svo_xprt_work)
#define SVC_POOL_DEFAULT SVC_POOL_GLOBAL
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 4954339315b7..63b42a8578c0 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -157,6 +157,8 @@ void svc_xprt_init(struct net *net, struct svc_xprt_class *xcl,
xprt->xpt_ops = xcl->xcl_ops;
kref_init(&xprt->xpt_ref);
xprt->xpt_server = serv;
+ if (serv->sv_ops->svo_xprt_work)
+ INIT_WORK(&xprt->xpt_work, serv->sv_ops->svo_xprt_work);
INIT_LIST_HEAD(&xprt->xpt_list);
INIT_LIST_HEAD(&xprt->xpt_ready);
INIT_LIST_HEAD(&xprt->xpt_deferred);
--
2.1.0
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