Merge branch 'for-linus' of git://neil.brown.name/md

[sfrench/cifs-2.6.git] / include / linux / sunrpc / svc.h

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 3435d24bfe5515d6abd41f3323316aadb68f0c11..2a30775959e9343e187118016cf2ff9bd8214bc9 100644 (file)
--- 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;
 
 /*
@@ -69,7 +80,6 @@ struct svc_serv {
        struct list_head        sv_tempsocks;   /* all temporary sockets */
        int                     sv_tmpcnt;      /* count of temporary sockets */
        struct timer_list       sv_temptimer;   /* timer for aging temporary sockets */
-       sa_family_t             sv_family;      /* listener's address family */
 
        char *                  sv_name;        /* service name */
 
@@ -84,6 +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 */
 };
 
 /*
@@ -219,6 +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;
@@ -264,6 +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 */
 };
 
 /*
@@ -385,19 +399,20 @@ struct svc_procedure {
 /*
  * Function prototypes.
  */
-struct svc_serv *svc_create(struct svc_program *, unsigned int, sa_family_t,
+struct svc_serv *svc_create(struct svc_program *, unsigned int,
                            void (*shutdown)(struct svc_serv *));
 struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
                                        struct svc_pool *pool);
 void              svc_exit_thread(struct svc_rqst *);
 struct svc_serv *  svc_create_pooled(struct svc_program *, unsigned int,
-                       sa_family_t, void (*shutdown)(struct svc_serv *),
+                       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 unsigned short,
-                               const unsigned short);
+int               svc_register(const struct svc_serv *, const int,
+                               const unsigned short, const unsigned short);
 
 void              svc_wake_up(struct svc_serv *);
 void              svc_reserve(struct svc_rqst *rqstp, int space);