1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d3a4c0231933..2a30775959e9 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -24,6 +24,15 @@
  */
 typedef int             (*svc_thread_fn)(void *);
 
+/* statistics for svc_pool structures */
+struct svc_pool_stats {
+        unsigned long   packets;
+        unsigned long   sockets_queued;
+        unsigned long   threads_woken;
+        unsigned long   overloads_avoided;
+        unsigned long   threads_timedout;
+};
+
 /*
  *
  * RPC service thread pool.
@@ -41,6 +50,8 @@ struct svc_pool {
         struct list_head        sp_sockets;     /* pending sockets */
         unsigned int            sp_nrthreads;   /* # of threads in pool */
         struct list_head        sp_all_threads; /* all server threads */
+        int                     sp_nwaking;     /* number of threads woken but not yet active */
+        struct svc_pool_stats   sp_stats;       /* statistics on pool operation */
 } ____cacheline_aligned_in_smp;
 
 /*
@@ -83,6 +94,8 @@ struct svc_serv {
         struct module *         sv_module;      /* optional module to count when
                                                  * adding threads */
         svc_thread_fn           sv_function;    /* main function for threads */
+        unsigned int            sv_drc_max_pages; /* Total pages for DRC */
+        unsigned int            sv_drc_pages_used;/* DRC pages used */
 };
 
 /*
@@ -218,6 +231,7 @@ struct svc_rqst {
         struct svc_cred         rq_cred;        /* auth info */
         void *                  rq_xprt_ctxt;   /* transport specific context ptr */
         struct svc_deferred_req*rq_deferred;    /* deferred request we are replaying */
+        int                     rq_usedeferral; /* use deferral */
 
         size_t                  rq_xprt_hlen;   /* xprt header len */
         struct xdr_buf          rq_arg;
@@ -263,6 +277,7 @@ struct svc_rqst {
                                                  * cache pages */
         wait_queue_head_t       rq_wait;        /* synchronization */
         struct task_struct      *rq_task;       /* service thread */
+        int                     rq_waking;      /* 1 if thread is being woken */
 };
 
 /*
@@ -393,6 +408,7 @@ struct svc_serv *  svc_create_pooled(struct svc_program *, unsigned int,
                         void (*shutdown)(struct svc_serv *),
                         svc_thread_fn, struct module *);
 int                svc_set_num_threads(struct svc_serv *, struct svc_pool *, int);
+int                svc_pool_stats_open(struct svc_serv *serv, struct file *file);
 void               svc_destroy(struct svc_serv *);
 int                svc_process(struct svc_rqst *);
 int                svc_register(const struct svc_serv *, const int,