From: Steve Dickson Subject: Re: [PATCH] clarification about options supported by different versions Date: Thu, 09 Sep 2010 10:38:08 -0400 Message-ID: <4C88F150.2080704@RedHat.com> References: <1283850558-9750-1-git-send-email-Guillaume.Rousse@inria.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: linux-nfs@vger.kernel.org To: Guillaume Rousse Return-path: Received: from mx1.redhat.com ([209.132.183.28]:21337 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754605Ab0IIOiL (ORCPT ); Thu, 9 Sep 2010 10:38:11 -0400 In-Reply-To: <1283850558-9750-1-git-send-email-Guillaume.Rousse-MZpvjPyXg2s@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: Committed... steved. On 09/07/2010 05:09 AM, Guillaume Rousse wrote: > Signed-off-by: Guillaume Rousse > --- > utils/mount/nfs.man | 50 ++++++++++++++++++++------------------------------ > 1 files changed, 20 insertions(+), 30 deletions(-) > > diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man > index 3806635..fe58015 100644 > --- a/utils/mount/nfs.man > +++ b/utils/mount/nfs.man > @@ -3,8 +3,6 @@ > .SH NAME > nfs \- fstab format and options for the > .B nfs > -and > -.B nfs4 > file systems > .SH SYNOPSIS > .I /etc/fstab > @@ -71,14 +69,10 @@ for details on specifying raw IPv6 addresses. > .P > The > .I fstype > -field contains either "nfs" (for version 2 or version 3 NFS mounts) > -or "nfs4" (for NFS version 4 mounts). > +field contains "nfs", for whatever version of the protocol. > The > .B nfs > -and > -.B nfs4 > -file system types share similar mount options, > -which are described below. > +allow several mount options, which are described below. > .SH "MOUNT OPTIONS" > Refer to > .BR mount (8) > @@ -89,14 +83,8 @@ specify any mount options, use the generic option > in > .IR /etc/fstab . > .DT > -.SS "Valid options for either the nfs or nfs4 file system type" > -These options are valid to use when mounting either > -.B nfs > -or > -.B nfs4 > -file system types. > -They imply the same behavior > -and have the same default for both file system types. > +.SS "Options supported by all versions" > +These options are valid to use with any NFS version. > .TP 1.5i > .BR soft " / " hard > Determines the recovery behavior of the NFS client > @@ -476,11 +464,9 @@ by other clients, but can impact application and server performance. > .IP > The DATA AND METADATA COHERENCE section contains a > detailed discussion of these trade-offs. > -.SS "Valid options for the nfs file system type" > +.SS "Options for versions 2 and 3 only" > Use these options, along with the options in the above subsection, > -for mounting the > -.B nfs > -file system type. > +for NFSv2/v3 only. They will be ignored for newer versions. > .TP 1.5i > .BI proto= netid > The transport protocol name and protocol family the NFS client uses > @@ -722,11 +708,9 @@ If this option is not specified, the NFS client uses READDIRPLUS requests > on NFS version 3 mounts to read small directories. > Some applications perform better if the client uses only READDIR requests > for all directories. > -.SS "Valid options for the nfs4 file system type" > +.SS "Options for version 4 only" > Use these options, along with the options in the first subsection above, > -for mounting the > -.B nfs4 > -file system type. > +for NFSv4 only. They will be ignored with older versions. > .TP 1.5i > .BI proto= netid > The transport protocol name and protocol family the NFS client uses > @@ -823,6 +807,13 @@ In the presence of multiple client network interfaces, > special routing policies, > or atypical network topologies, > the exact address to use for callbacks may be nontrivial to determine. > +.SH nfs4 FILE SYSTEM TYPE > +The > +.BR nfs4 > +file system type is an old syntax for specifying NFSv4 usage. It can still > +be used with all NFSv4-specific and common options, excepted the > +.B nfsvers > +mount option. > .SH MOUNT CONFIGURATION FILE > If the mount command is configured to do so, all of the mount options > described in the previous section can also be configured in the > @@ -844,12 +835,11 @@ file system type and specify the > .B nfsvers=3 > mount option. > To mount using NFS version 4, > -use the > -.B nfs4 > -file system type. > -The > -.B nfsvers > -mount option is not supported for the > +use either the > +.B nfs > +file system type, with the > +.B nfsvers=4 > +mount option, or the > .B nfs4 > file system type. > .P > -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html