[lustre-devel] [PATCH 28/32] lustre: don't declare extern variables in C files.

[NeilBrown]

'extern' declarations should only appear in .h files.
All these names are declared in .h files as needed,
and these duplicate declarations in .c files can
be removed.

Signed-off-by: NeilBrown <neilb at suse.com>
---
 drivers/staging/lustre/lustre/ldlm/ldlm_resource.c |    2 --
 drivers/staging/lustre/lustre/ptlrpc/import.c      |    1 -
 .../staging/lustre/lustre/ptlrpc/ptlrpc_module.c   |    5 -----
 3 files changed, 8 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
index d79f70d17220..82ec936a6e80 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
@@ -681,8 +681,6 @@ struct ldlm_namespace *ldlm_namespace_new(struct obd_device *obd, char *name,
 }
 EXPORT_SYMBOL(ldlm_namespace_new);
 
-extern struct ldlm_lock *ldlm_lock_get(struct ldlm_lock *lock);
-
 /**
  * Cancel and destroy all locks on a resource.
  *
diff --git a/drivers/staging/lustre/lustre/ptlrpc/import.c b/drivers/staging/lustre/lustre/ptlrpc/import.c
index b2a57d2bdde7..a6f15429eda2 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/import.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/import.c
@@ -1558,7 +1558,6 @@ int ptlrpc_disconnect_import(struct obd_import *imp, int noclose)
 EXPORT_SYMBOL(ptlrpc_disconnect_import);
 
 /* Adaptive Timeout utils */
-extern unsigned int at_min, at_max, at_history;
 
 /*
  *Update at_current with the specified value (bounded by at_min and at_max),
diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c
index 5c32b657b3b5..76018805f0ce 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c
@@ -40,11 +40,6 @@
 
 #include "ptlrpc_internal.h"
 
-extern spinlock_t ptlrpc_last_xid_lock;
-#if RS_DEBUG
-extern spinlock_t ptlrpc_rs_debug_lock;
-#endif
-
 DEFINE_MUTEX(ptlrpc_startup);
 static int ptlrpc_active = 0;