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To: Benjamin LaHaise <bcrl@redhat.com>
Cc: jw schultz <jw@pegasys.ws>, linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: wait queue process state
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From: Trond Myklebust <trond.myklebust@fys.uio.no>
Date: 29 May 2002 13:25:13 +0200
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>>>>> " " == Benjamin LaHaise <bcrl@redhat.com> writes:

     > Linux does not permit interrupting regular file reads on local
     > disks; only NFS supports it.  Maybe 2.5 is the time to change
     > this.

Note that even the NFS support is less than perfect. Once a process
enters lock_page(), there is no way for the user to interrupt until
whatever I/O that is holding the page lock is finished.

Cheers,
  Trond