2009-05-05 06:36:23

by Peter Åstrand

[permalink] [raw]
Subject: Re: [PATCH] NFS: Do not display the setting of the "intr" mount option

On Mon, 4 May 2009, Trond Myklebust wrote:

>> Since 2.6.25, the behavior of the NFS client has been a mix of the
>> two. I believe the current behavior is that SIGKILL can terminate an
>> NFS operation, but all other signals are deferred until pending NFS
>> operations complete.

I guess this means that commands cannot be terminated using Ctrl-C, since
that generates a SIGINT? If so, this is a change for the worse.


>> The mount command continues to accept both options, but neither have
>> any effect on the client's behavior (both options are no-ops).
>
> Note that this behaviour is true of local filesystems too, since
> generic_file_read() has been changed to call lock_page_killable()
> instead of the uninterruptible lock_page().

I see. However, it's much more common with unreachable network servers
than unreachable local block devices.


Best regards,
---
Peter Åstrand ThinLinc Chief Developer
Cendio AB http://www.cendio.com
Wallenbergs gata 4
583 30 Linköping Phone: +46-13-21 46 00