linux-kernel - RE: [PATCH 1/1] cciss: procfs updates to display info about many volumes

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Date:	Tue, 19 Feb 2008 16:46:50 +0000
From:	"Miller, Mike (OS Dev)" <Mike.Miller@...com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <jens.axboe@...cle.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	LKML-scsi <linux-scsi@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>
Subject: RE: [PATCH 1/1] cciss: procfs updates to display info about many
 volumes



> -----Original Message-----
> From: Andrew Morton [mailto:akpm@...ux-foundation.org]
> Sent: Tuesday, February 19, 2008 6:00 AM
> To: Jens Axboe
> Cc: Miller, Mike (OS Dev); LKML; LKML-scsi
> Subject: Re: [PATCH 1/1] cciss: procfs updates to display
> info about many volumes
>
> On Tue, 19 Feb 2008 11:48:18 +0100 Jens Axboe
> <jens.axboe@...cle.com> wrote:
>
> > On Mon, Feb 11 2008, Mike Miller wrote:
> > > Patch 1 of 1
> > >
> > > This patch allows us to display information about all of
> the logical
> > > volumes configured on a particular without stepping on
> memory even
> > > when there are many volumes (128 or more) configured. This patch
> > > replaces the one submitted on 20071214. See
> > >
> http://groups.google.com/group/linux.kernel/browse_thread/thread/49a
> > >
> 50244b19f8855/ba3dc95b23391521?hl=en&lnk=gst&q=cciss#ba3dc95b2339152
> > > 1 which has not been merged. That patch displayed
> information about
> > > only the first logical volume on each controller and had negative
> > > side effects for some installers.
> > > Please consider this for inclusion.
> >
> > It looks ok, but has some flaws. Try to disable cciss scsi and tape
> > support:
> >
> > In file included from drivers/block/cciss.c:231:
> > drivers/block/cciss_scsi.c:1498:38: error: macro parameters must be
> > comma-separated
> > drivers/block/cciss.c: In function 'cciss_seq_show_header':
> > drivers/block/cciss.c:272: error: implicit declaration of function
> > 'cciss_seq_tape_report'
> > drivers/block/cciss.c: In function 'cciss_proc_write':
> > drivers/block/cciss.c:393: error: implicit declaration of function
> > 'cciss_engage_scsi'
> >
> > You macro definition of cciss_seq_tape_report() is totally busted.
> > Either write is as a macro OR as a function.
> >
> > Fix these up and resubmit, then I'll take it.
> >
>
> It also need to be updated to use the non-racy proc_create(),
> please, as per Alexey's comments.

Thanks all, I'll fix and resubmit.

-- mikem
>
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