From owner-cvs-src-old@FreeBSD.ORG Sun Apr 18 22:21:35 2010 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F0CE81065780 for ; Sun, 18 Apr 2010 22:21:35 +0000 (UTC) (envelope-from rmacklem@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id DE4B88FC1B for ; Sun, 18 Apr 2010 22:21:35 +0000 (UTC) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id o3IMLZKK097929 for ; Sun, 18 Apr 2010 22:21:35 GMT (envelope-from rmacklem@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id o3IMLZtL097928 for cvs-src-old@freebsd.org; Sun, 18 Apr 2010 22:21:35 GMT (envelope-from rmacklem@repoman.freebsd.org) Message-Id: <201004182221.o3IMLZtL097928@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to rmacklem@repoman.freebsd.org using -f From: Rick Macklem Date: Sun, 18 Apr 2010 22:21:23 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/fs/nfs nfsclstate.h src/sys/fs/nfsclient nfs_clstate.c X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Apr 2010 22:21:36 -0000 rmacklem 2010-04-18 22:21:23 UTC FreeBSD src repository Modified files: sys/fs/nfs nfsclstate.h sys/fs/nfsclient nfs_clstate.c Log: SVN rev 206818 on 2010-04-18 22:21:23Z by rmacklem Avoid extraneous recovery cycles in the experimental NFS client when an NFSv4 server reboots, by doing two things. 1 - Make the function that acquires a stateid for I/O operations block until recovery is complete, so that it doesn't acquire out of date stateids. 2 - Only allow a recovery once every 1/2 of a lease duration, since the NFSv4 server must provide a recovery grace period of at least a lease duration. This should avoid recoveries caused by an out of date stateid that was acquired for an I/O op. just before a recovery cycle started. MFC after: 1 week Revision Changes Path 1.3 +1 -0 src/sys/fs/nfs/nfsclstate.h 1.12 +29 -4 src/sys/fs/nfsclient/nfs_clstate.c