We want to queue most of the work in the context of the svc_rqst. Add a
work_struct to the svc_rqst and a new operation for svc_rqst_work. If
that's defined then initialize it when setting up the service.

Signed-off-by: Jeff Layton <[email protected]>
---
 include/linux/sunrpc/svc.h | 4 ++++
 net/sunrpc/svc.c           | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 8bd53f723485..70bee4e86a9f 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -61,6 +61,9 @@ struct svc_serv_ops {
        /* xprt work function */
        work_func_t     svo_xprt_work;
 
+       /* rqst work function */
+       work_func_t     svo_rqst_work;
+
        /* queue up a transport for servicing */
        void            (*svo_enqueue_xprt)(struct svc_xprt *);
 
@@ -293,6 +296,7 @@ struct svc_rqst {
        struct svc_cacherep *   rq_cacherep;    /* cache info */
        struct task_struct      *rq_task;       /* service thread */
        spinlock_t              rq_lock;        /* per-request lock */
+       struct work_struct      rq_work;        /* per-request work */
 };
 
 #define SVC_NET(svc_rqst)      (svc_rqst->rq_xprt->xpt_net)
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 135ffbe9d983..ed243eb80e5b 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -595,6 +595,8 @@ svc_rqst_alloc(struct svc_serv *serv, struct svc_pool 
*pool, int node)
        spin_lock_init(&rqstp->rq_lock);
        rqstp->rq_server = serv;
        rqstp->rq_pool = pool;
+       if (serv->sv_ops->svo_rqst_work)
+               INIT_WORK(&rqstp->rq_work, serv->sv_ops->svo_rqst_work);
 
        rqstp->rq_argp = kmalloc_node(serv->sv_xdrsize, GFP_KERNEL, node);
        if (!rqstp->rq_argp)
-- 
2.1.0

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