linux-kernel - Re: [PATCH] splice: update mtime and atime on files

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Message-ID: <20090818084625.GF18709@1wt.eu>
Date:	Tue, 18 Aug 2009 10:46:25 +0200
From:	Willy Tarreau <w@....eu>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Miklos Szeredi <miklos@...redi.hu>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] splice: update mtime and atime on files

On Tue, Aug 18, 2009 at 10:35:48AM +0200, Jens Axboe wrote:
> On Tue, Aug 18 2009, Willy Tarreau wrote:
> > On Sat, Aug 15, 2009 at 08:42:41AM +0200, Jens Axboe wrote:
> > > On Fri, Aug 14 2009, Miklos Szeredi wrote:
> > > > From: Miklos Szeredi <mszeredi@...e.cz>
> > > > 
> > > > Splice should update the modification and access times on regular
> > > > files just like read and write.  Not updating mtime will confuse
> > > > backup tools, etc...
> > > > 
> > > > This patch only adds the time updates for regular files.  For pipes
> > > > and other special files that splice touches the need for updating the
> > > > times is less clear.  Let's discuss and fix that separately.
> > > 
> > > Thanks Miklos, I've queued this one up.
> > 
> > wouldn't it make sense to send that to stable too ? The patch is not
> > intrusive and looks like a fix to me.
> 
> It doesn't really meet the stable criteria, as it's not a security issue
> nor does it crash the kernel.

Oh there are many other things which go to stable, especially bug
fixes and minor improvements. We *could* classify this in the bug
fixes as, I Miklos suggested it, this could have an impact on
modified files which would currently not be backed up for instance.

Regards,
Willy

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