linux-kernel - Re: [RFC 22/22] tcm_loop: Add multi-fabric Linux/SCSI LLD fabric module

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Message-Id: <1283723479.556.135.camel@haakon2.linux-iscsi.org>
Date:	Sun, 05 Sep 2010 14:51:19 -0700
From:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Mike Christie <michaelc@...wisc.edu>,
	Christoph Hellwig <hch@....de>, Hannes Reinecke <hare@...e.de>,
	James Bottomley <James.Bottomley@...e.de>,
	Jens Axboe <axboe@...nel.dk>,
	Boaz Harrosh <bharrosh@...asas.com>
Subject: Re: [RFC 22/22] tcm_loop: Add multi-fabric Linux/SCSI LLD fabric
	module

On Sun, 2010-09-05 at 13:30 -0700, Dmitry Torokhov wrote:
> On Mon, Aug 30, 2010 at 02:23:23AM -0700, Nicholas A. Bellinger wrote:
> > +
> > +static void tcm_loop_primary_release(struct device *dev)
> > +{
> > +	return;
> > +}
> > +
> > +static struct device tcm_loop_primary = {
> > +	.init_name		= "tcm_loop_0",
> > +	.release		= tcm_loop_primary_release,
> > +};
> > +
> 
> No, you can not have statically allocated devices and dummy release
> functions.
> 

Last time I checked this is still what mainline
drivers/scsi/scsi_debug.c is doing for struct device pseudo_primary:

static void pseudo_0_release(struct device *dev)
{
        if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
                printk(KERN_INFO "scsi_debug: pseudo_0_release() called\n");
}

static struct device pseudo_primary = {
        .init_name      = "pseudo_0",
        .release        = pseudo_0_release,
};

so for these type of things in TCM_Loop I tend to follow what scsi_debug does,
 so I don't exactly see a issue here atm.  Anybody else have comments..?

Best,

--nab

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