Return-Path: linux-nfs-owner@vger.kernel.org Received: from mout.perfora.net ([74.208.4.194]:61778 "EHLO mout.perfora.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750790AbaCFWDN (ORCPT ); Thu, 6 Mar 2014 17:03:13 -0500 From: Jim Rees To: Steve Dickson Cc: linux-nfs@vger.kernel.org Subject: [PATCH] fix intr/nointr to match kernel behavior (ignored) Date: Thu, 6 Mar 2014 17:02:32 -0500 Message-Id: <1394143352-26095-1-git-send-email-rees@umich.edu> Sender: linux-nfs-owner@vger.kernel.org List-ID: Signed-off-by: Jim Rees --- utils/mount/nfs.man | 53 ++++++----------------------------------------------- 1 file changed, 6 insertions(+), 47 deletions(-) diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man index ef09a31..2ab369c 100644 --- a/utils/mount/nfs.man +++ b/utils/mount/nfs.man @@ -125,6 +125,12 @@ option may mitigate some of the risks of using the .B soft option. .TP 1.5i +.BR intr " / " nointr +This option is provided for backward compatibility. +It is ignored after kernel 2.6.25. +System calls return EINTR if an in-progress NFS operation is interrupted by +a signal. +.TP 1.5i .BI timeo= n The time in deciseconds (tenths of a second) the NFS client waits for a response before it retries an NFS request. @@ -668,30 +674,6 @@ Using the option is also required when mounting exports on NFS servers that do not support the NLM protocol. .TP 1.5i -.BR intr " / " nointr -Selects whether to allow signals to interrupt file operations -on this mount point. If neither option -is specified (or if -.B nointr -is specified), -signals do not interrupt NFS file operations. If -.B intr -is specified, system calls return EINTR if an in-progress NFS operation is interrupted by -a signal. -.IP -Using the -.B intr -option is preferred to using the -.B soft -option because it is significantly less likely to result in data corruption. -.IP -The -.BR intr " / " nointr -mount option is deprecated after kernel 2.6.25. -Only SIGKILL can interrupt a pending NFS operation on these kernels, -and if specified, this mount option is ignored to provide backwards -compatibility with older kernels. -.TP 1.5i .BR cto " / " nocto Selects whether to use close-to-open cache coherence semantics. If neither option is specified (or if @@ -807,29 +789,6 @@ The mount request fails if the server's rpcbind service is not available, the server's NFS service is not registered with its rpcbind service, or the server's NFS service is not available on the advertised port. .TP 1.5i -.BR intr " / " nointr -Selects whether to allow signals to interrupt file operations -on this mount point. If neither option is specified (or if -.B intr -is specified), system calls return EINTR if an in-progress NFS operation -is interrupted by a signal. If -.B nointr -is specified, signals do not -interrupt NFS operations. -.IP -Using the -.B intr -option is preferred to using the -.B soft -option because it is significantly less likely to result in data corruption. -.IP -The -.BR intr " / " nointr -mount option is deprecated after kernel 2.6.25. -Only SIGKILL can interrupt a pending NFS operation on these kernels, -and if specified, this mount option is ignored to provide backwards -compatibility with older kernels. -.TP 1.5i .BR cto " / " nocto Selects whether to use close-to-open cache coherence semantics for NFS directories on this mount point. -- 1.9.0