Message-ID: <5321CB88.6060704@RedHat.com>
Date: Thu, 13 Mar 2014 11:15:20 -0400
From: Steve Dickson <SteveD@redhat.com>
MIME-Version: 1.0
To: Jim Rees <rees@umich.edu>
CC: linux-nfs@vger.kernel.org
Subject: Re: [PATCH] intr/nointr are ignored now
References: <1394587065-27513-1-git-send-email-rees@umich.edu>
In-Reply-To: <1394587065-27513-1-git-send-email-rees@umich.edu>
Content-Type: text/plain; charset=ISO-8859-1
Sender: linux-nfs-owner@vger.kernel.org


On 03/11/2014 09:17 PM, Jim Rees wrote:
> Signed-off-by: Jim Rees <rees@umich.edu>
> ---
>  utils/mount/nfs.man | 51 ++++-----------------------------------------------
>  1 file changed, 4 insertions(+), 47 deletions(-)
Committed... 

steved.
> 
> diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man
> index ef09a31..fe4f9b1 100644
> --- a/utils/mount/nfs.man
> +++ b/utils/mount/nfs.man
> @@ -125,6 +125,10 @@ 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.
> +.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 +672,6 @@ 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 +787,6 @@ 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.
>