[PATCH] PATCH 7/16: NFSD: BKL removal: Discard high level BKL locking

Remove last unneeded bit of BKL from knfsd

Remove BKL from nfsservctl systemcall.  All
components have their own locking.
Also remove it from the body of nfsd threads.  Keep
it for final thread destruction though.

fs/nfsd/nfsctl.c

@@ -187,7 +187,6 @@ asmlinkage handle_sys_nfsservctl(int cmd, void *opaque_argp, void *opaque_resp)
 	int			err;
 	int			argsize, respsize;
 
-	lock_kernel ();
 
 	err = -EPERM;
 	if (!capable(CAP_SYS_ADMIN)) {
@@ -257,7 +256,6 @@ asmlinkage handle_sys_nfsservctl(int cmd, void *opaque_argp, void *opaque_resp)
 	if (res)
 		kfree(res);
 
-	unlock_kernel ();
 	return err;
 }
 

fs/nfsd/nfssvc.c

@@ -179,6 +179,7 @@ nfsd(struct svc_rqst *rqstp)
 	me.task = current;
 	list_add(&me.list, &nfsd_list);
 
+	unlock_kernel();
 	/*
 	 * The main request loop
 	 */
@@ -234,6 +235,8 @@ nfsd(struct svc_rqst *rqstp)
 		err = signo;
 	}
 
+	lock_kernel();
+
 	/* Release lockd */
 	lockd_down();