staging: lustre: ldlm: remove unused field 'fwd_generation'

With this field gone, we don't need local variables 'imp' or 'obd'
any more.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ldlm/ldlm_flock.c

@@ -311,7 +311,6 @@ static int ldlm_process_flock_lock(struct ldlm_lock *req)
 
 struct ldlm_flock_wait_data {
 	struct ldlm_lock *fwd_lock;
-	int	       fwd_generation;
 };
 
 static void
@@ -342,8 +341,6 @@ int
 ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data)
 {
 	struct file_lock		*getlk = lock->l_ast_data;
-	struct obd_device	      *obd;
-	struct obd_import	      *imp = NULL;
 	struct ldlm_flock_wait_data	fwd;
 	struct l_wait_info		lwi;
 	int				rc = 0;
@@ -375,18 +372,6 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data)
 	LDLM_DEBUG(lock,
 		   "client-side enqueue returned a blocked lock, sleeping");
 	fwd.fwd_lock = lock;
-	obd = class_exp2obd(lock->l_conn_export);
-
-	/* if this is a local lock, there is no import */
-	if (obd)
-		imp = obd->u.cli.cl_import;
-
-	if (imp) {
-		spin_lock(&imp->imp_lock);
-		fwd.fwd_generation = imp->imp_generation;
-		spin_unlock(&imp->imp_lock);
-	}
-
 	lwi = LWI_TIMEOUT_INTR(0, NULL, ldlm_flock_interrupted_wait, &fwd);
 
 	/* Go to sleep until the lock is granted. */