[PATCH v2 net-next 5/5] net/rds: remove dead sysctl declarations

[Oleg Nesterov <oleg@redhat.com>]

Several sysctl variables are declared in ib.h and rds.h but are never
defined or used; git-grep finds nothing.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Allison Henderson <achender@kernel.org>
Tested-by: Allison Henderson <achender@kernel.org>
---
 net/rds/ib.h  | 1 -
 net/rds/rds.h | 5 -----
 2 files changed, 6 deletions(-)

diff --git a/net/rds/ib.h b/net/rds/ib.h
index 1901226368c9..a7f0005c5a0f 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -448,7 +448,6 @@ void rds_ib_sysctl_exit(void);
 extern unsigned long rds_ib_sysctl_max_send_wr;
 extern unsigned long rds_ib_sysctl_max_recv_wr;
 extern unsigned long rds_ib_sysctl_max_unsig_wrs;
-extern unsigned long rds_ib_sysctl_max_unsig_bytes;
 extern unsigned long rds_ib_sysctl_max_recv_allocation;
 extern unsigned int rds_ib_sysctl_flow_control;
 
diff --git a/net/rds/rds.h b/net/rds/rds.h
index e3937c1ff3a1..2d061b16966e 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -1027,16 +1027,11 @@ void rds_stats_info_copy(struct rds_info_iterator *iter,
 /* sysctl.c */
 int rds_sysctl_init(void);
 void rds_sysctl_exit(void);
-extern unsigned long rds_sysctl_sndbuf_min;
-extern unsigned long rds_sysctl_sndbuf_default;
-extern unsigned long rds_sysctl_sndbuf_max;
 extern unsigned long rds_sysctl_reconnect_min_jiffies;
 extern unsigned long rds_sysctl_reconnect_max_jiffies;
 extern unsigned int  rds_sysctl_max_unacked_packets;
 extern unsigned int  rds_sysctl_max_unacked_bytes;
 extern unsigned int  rds_sysctl_ping_enable;
-extern unsigned long rds_sysctl_trace_flags;
-extern unsigned int  rds_sysctl_trace_level;
 
 /* threads.c */
 int rds_threads_init(void);
-- 
2.55.0