linux-kernel - Re: On current git head webservers stopped working

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Date:	Fri, 13 Jul 2007 13:00:06 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Christoph Hellwig <hch@...radead.org>,
	Gabriel C <nix.or.die@...glemail.com>,
	linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: On current git head webservers stopped working

On Fri, Jul 13 2007, Christoph Hellwig wrote:
> On Fri, Jul 13, 2007 at 12:00:58PM +0200, Jens Axboe wrote:
> > On Fri, Jul 13 2007, Gabriel C wrote:
> > > Jens Axboe wrote:
> > > > On Fri, Jul 13 2007, Gabriel C wrote:
> > > >   
> > > >> Hello ,
> > > >>
> > > >> While doing some tests with 2.6.22-git2 ( at the time head
> > > >> 4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 ) all my webservers stopped
> > > >> working.
> > > >> I can't get any file using wget or whatever else , everything hangs
> > > >> after 1% forever.
> > > >>
> > > >> I bisected this and here the result:
> > > >>
> > > >> 534f2aaa6ab07cd71164180bc958a7dcde41db11 is first bad commit
> > > >> commit 534f2aaa6ab07cd71164180bc958a7dcde41db11
> > > >> Author: Jens Axboe <jens.axboe@...cle.com>
> > > >> Date:   Fri Jun 1 14:52:37 2007 +0200
> > > >>
> > > >>     sys_sendfile: switch to using ->splice_read, if available
> > > >>
> > > >>     This patch makes sendfile prefer to use ->splice_read(), if it's
> > > >>     available in the file_operations structure.
> > > >>
> > > >>     Signed-off-by: Jens Axboe <jens.axboe@...cle.com>
> > > >>
> > > >> :040000 040000 b19013793692eee0f632b3703dca0bd40cea753f
> > > >> ed50576c0d3f0d3ce9f1a2ac9336d1164b45f63f M      fs
> > > >>     
> > > >
> > > > Does this work?
> > > >   
> > > 
> > > Yes , it does. Thx :)
> > 
> > Great, I'll polish it a bit and get it upstream asap. Thanks for the
> > report and quick test feedback!
> 
> Any chance someone could hack up a ltp testcase for this?

Certainly, I already created a private test case for it anyway.

-- 
Jens Axboe

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