From: Jeff Layton <jlayton@redhat.com>
Date: Mon, 18 Aug 2008 08:44:27 -0400
Subject: [nfs] v4: Poll aggressively when handling NFS4ERR_DELAY
Message-id: 1219063469-27779-2-git-send-email-jlayton@redhat.com
O-Subject: [RHEL5.3 PATCH 1/3] BZ#441884: NFSv4: Poll more aggressively when handling NFS4ERR_DELAY
Bugzilla: 441884
RH-Acked-by: Peter Staubach <staubach@redhat.com>

From: Trond Myklebust <Trond.Myklebust@netapp.com>

Upstream commit 2066fe89b459c3c787c811b3369df191cddd93d8

Change the initial retry delay from 1s to 0.1s (and then back off
exponentially).

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0daf4e7..4354fa5 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -55,7 +55,7 @@
 
 #define NFSDBG_FACILITY		NFSDBG_PROC
 
-#define NFS4_POLL_RETRY_MIN	(1*HZ)
+#define NFS4_POLL_RETRY_MIN	(HZ/10)
 #define NFS4_POLL_RETRY_MAX	(15*HZ)
 
 struct nfs4_opendata;