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From: Kevin Corry <kevcorry@us.ibm.com>
To: dm-devel@sistina.com, Joe Thornber <thornber@sistina.com>
Cc: Linux Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [dm-devel] Re: [RFC 3/3] dm: v4 ioctl interface
Date: Wed, 2 Jul 2003 09:17:12 -0500	[thread overview]
Message-ID: <200307020917.12337.kevcorry@us.ibm.com> (raw)
In-Reply-To: <20030702110044.GE6243@fib011235813.fsnet.co.uk>

This definitely seems to make more sense.

On Wednesday 02 July 2003 06:00, Joe Thornber wrote:
> dm_swap_table() will now fail for a table with no targets.
> --- diff/drivers/md/dm.c	2003-07-01 15:36:42.000000000 +0100
> +++ source/drivers/md/dm.c	2003-07-02 11:53:22.000000000 +0100
> @@ -664,10 +664,10 @@
>  	md->map = t;
>
>  	size = dm_table_get_size(t);
> -	set_capacity(md->disk, size);
> -	if (size == 0)
> -		return 0;
> +	if (!size)
> +		return -EINVAL;
>
> +	set_capacity(md->disk, size);
>  	dm_table_event_callback(md->map, event_callback, md);
>
>  	dm_table_get(t);
> @@ -759,8 +759,10 @@
>
>  	__unbind(md);
>  	r = __bind(md, table);
> -	if (r)
> +	if (r) {
> +		up_write(&md->lock);
>  		return r;
> +	}
>
>  	up_write(&md->lock);
>  	return 0;
>

-- 
Kevin Corry
kevcorry@us.ibm.com
http://evms.sourceforge.net/


  reply	other threads:[~2003-07-02 14:08 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-01 14:58 [RFC] device-mapper v4 ioctl interface implementation Joe Thornber
2003-07-01 15:01 ` [RFC 1/3] dm: fix memory leak Joe Thornber
2003-07-01 15:01 ` [RFC 2/3] dm: avoid event race Joe Thornber
2003-07-01 15:02 ` [RFC 3/3] dm: v4 ioctl interface Joe Thornber
2003-07-01 20:05   ` Kevin Corry
2003-07-02  8:59     ` Joe Thornber
2003-07-02 10:59       ` [dm-devel] " Joe Thornber
2003-07-02 10:59       ` Joe Thornber
2003-07-02 10:59       ` Joe Thornber
2003-07-02 11:00       ` Joe Thornber
2003-07-02 11:00       ` Joe Thornber
2003-07-02 14:17         ` Kevin Corry [this message]
2003-07-02 14:15       ` Kevin Corry
2003-07-06  0:39 ` [dm-devel] [RFC] device-mapper v4 ioctl interface implementation Alasdair G Kergon
  -- strict thread matches above, loose matches on Subject: below --
2003-07-02 15:23 [dm-devel] Re: [RFC 3/3] dm: v4 ioctl interface Steve Dobbelstein
2003-07-02 15:40 ` Joe Thornber

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