diff options
Diffstat (limited to 'include/linux/sunrpc/svc.h')
| -rw-r--r-- | include/linux/sunrpc/svc.h | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 73d56d33a36d..3903b4ae8ac5 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -85,6 +85,7 @@ struct svc_serv { struct svc_program * sv_program; /* RPC program */ struct svc_stat * sv_stats; /* RPC statistics */ spinlock_t sv_lock; + struct kref sv_refcnt; unsigned int sv_nrthreads; /* # of server threads */ unsigned int sv_maxconn; /* max connections allowed or * '0' causing max to be based @@ -119,19 +120,14 @@ struct svc_serv { * @serv: the svc_serv to have count incremented * * Returns: the svc_serv that was passed in. - * - * We use sv_nrthreads as a reference count. svc_put() drops - * this refcount, so we need to bump it up around operations that - * change the number of threads. Horrible, but there it is. - * Should be called with the "service mutex" held. */ static inline struct svc_serv *svc_get(struct svc_serv *serv) { - serv->sv_nrthreads++; + kref_get(&serv->sv_refcnt); return serv; } -void svc_destroy(struct svc_serv *serv); +void svc_destroy(struct kref *); /** * svc_put - decrement reference count on a SUNRPC serv @@ -142,9 +138,7 @@ void svc_destroy(struct svc_serv *serv); */ static inline void svc_put(struct svc_serv *serv) { - serv->sv_nrthreads -= 1; - if (serv->sv_nrthreads == 0) - svc_destroy(serv); + kref_put(&serv->sv_refcnt, svc_destroy); } /* |