From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [linux-lvm] LVM2 modifies the buffer_head struct? Message-ID: <20020704090010.GB6204@suse.de> References: <20020702141702.GA9769@fib011235813.fsnet.co.uk> <20020703100838.GH14097@suse.de> <20020703120124.GB615@fib011235813.fsnet.co.uk> <20020703121024.GC21568@suse.de> <15651.54044.557070.109158@notabene.cse.unsw.edu.au> <20020704075830.GQ21568@suse.de> <3D2409FA.44E88C1D@zip.com.au> <20020704083941.GA6204@suse.de> <20020704085735.GA1175@fib011235813.fsnet.co.uk> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20020704085735.GA1175@fib011235813.fsnet.co.uk> Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Thu Jul 4 04:00:02 2002 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Joe Thornber Cc: Andrew Morton , Neil Brown , linux-lvm@sistina.com, linux-kernel@vger.kernel.org On Thu, Jul 04 2002, Joe Thornber wrote: > On Thu, Jul 04, 2002 at 10:39:41AM +0200, Jens Axboe wrote: > > Which just means that device mapper needs to do the stacking properly, > > EOD. > > You don't think it does it properly ATM ? Well as I said, it's in the grey zone. If you look at stacking from a submission and end_io point of view, then yes it works. Anywhere in between, no it doesn't. See my previous mails in this thread :-) -- Jens Axboe