sunrpc: move rq_local field to rq_flags

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/vfs.c

@@ -962,7 +962,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
 	loff_t			end = LLONG_MAX;
 	unsigned int		pflags = current->flags;
 
-	if (rqstp->rq_local)
+	if (test_bit(RQ_LOCAL, &rqstp->rq_flags))
 		/*
 		 * We want less throttling in balance_dirty_pages()
 		 * and shrink_inactive_list() so that nfs to
@@ -1006,7 +1006,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
 		err = 0;
 	else
 		err = nfserrno(host_err);
-	if (rqstp->rq_local)
+	if (test_bit(RQ_LOCAL, &rqstp->rq_flags))
 		tsk_restore_flags(current, pflags, PF_LESS_THROTTLE);
 	return err;
 }

include/linux/sunrpc/svc.h

@@ -254,8 +254,8 @@ struct svc_rqst {
 	u32			rq_proc;	/* procedure number */
 	u32			rq_prot;	/* IP protocol */
 #define	RQ_SECURE	(0)			/* secure port */
+#define	RQ_LOCAL	(1)			/* local request */
 	unsigned long		rq_flags;	/* flags field */
-	unsigned short		rq_local   : 1;	/* local request */
 
 	void *			rq_argp;	/* decoded arguments */
 	void *			rq_resp;	/* xdr'd results */

include/trace/events/sunrpc.h

@@ -414,7 +414,8 @@ TRACE_EVENT(xs_tcp_data_recv,
 
 #define show_rqstp_flags(flags)				\
 	__print_flags(flags, "|",			\
-		{ (1UL << RQ_SECURE),	"RQ_SECURE"})
+		{ (1UL << RQ_SECURE),	"RQ_SECURE"},	\
+		{ (1UL << RQ_LOCAL),	"RQ_LOCAL"})
 
 TRACE_EVENT(svc_recv,
 	TP_PROTO(struct svc_rqst *rqst, int status),

net/sunrpc/svcsock.c

@@ -1145,7 +1145,10 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
 
 	rqstp->rq_xprt_ctxt   = NULL;
 	rqstp->rq_prot	      = IPPROTO_TCP;
-	rqstp->rq_local	      = !!test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_flags);
+	if (test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_flags))
+		set_bit(RQ_LOCAL, &rqstp->rq_flags);
+	else
+		clear_bit(RQ_LOCAL, &rqstp->rq_flags);
 
 	p = (__be32 *)rqstp->rq_arg.head[0].iov_base;
 	calldir = p[1];