From 460f5cac1e24e947509b6112c99c5bc9ff687b45 Mon Sep 17 00:00:00 2001 From: Olaf Kirch Date: Wed, 4 Oct 2006 02:16:03 -0700 Subject: [PATCH] [PATCH] knfsd: export nsm_local_state to user space via sysctl Every NLM call includes the client's NSM state. Currently, the Linux client always reports 0 - which seems not to cause any problems, but is not what the protocol says. This patch exposes the kernel's internal variable to user space via a sysctl, which can be set at system boot time by statd. Signed-off-by: Olaf Kirch Signed-off-by: Neil Brown Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/lockd/mon.c | 2 +- fs/lockd/svc.c | 9 +++++++++ include/linux/lockd/sm_inter.h | 2 +- 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 709cf7c80545..e0179f8c327f 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -24,7 +24,7 @@ static struct rpc_program nsm_program; /* * Local NSM state */ -u32 nsm_local_state; +int nsm_local_state; /* * Common procedure for SM_MON/SM_UNMON calls diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index a3b7602cd383..634139232aaf 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #define NLMDBG_FACILITY NLMDBG_SVC @@ -404,6 +405,14 @@ static ctl_table nlm_sysctls[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, + { + .ctl_name = CTL_UNNUMBERED, + .procname = "nsm_local_state", + .data = &nsm_local_state, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, { .ctl_name = 0 } }; diff --git a/include/linux/lockd/sm_inter.h b/include/linux/lockd/sm_inter.h index daef509bb9b3..fc61d40964da 100644 --- a/include/linux/lockd/sm_inter.h +++ b/include/linux/lockd/sm_inter.h @@ -42,6 +42,6 @@ struct nsm_res { int nsm_monitor(struct nlm_host *); int nsm_unmonitor(struct nlm_host *); -extern u32 nsm_local_state; +extern int nsm_local_state; #endif /* LINUX_LOCKD_SM_INTER_H */