linux-kernel - Re: [PATCHv2 12/24] sys_swapon: use a single error label

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Date:	Mon, 7 Mar 2011 18:52:20 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Cesar Eduardo Barros <cesarb@...arb.net>
Cc:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Jens Axboe <jaxboe@...ionio.com>, linux-kernel@...r.kernel.org,
	Eric B Munson <emunson@...bm.net>
Subject: Re: [PATCHv2 12/24] sys_swapon: use a single error label

On Sat,  5 Mar 2011 13:42:13 -0300
Cesar Eduardo Barros <cesarb@...arb.net> wrote:

> sys_swapon currently has two error labels, bad_swap and bad_swap_2.
> bad_swap does the same as bad_swap_2 plus destroy_swap_extents() and
> swap_cgroup_swapoff(); both are noops in the places where bad_swap_2 is
> jumped to. With a single extra test for inode (matching the one in the
> S_ISREG case below), all the error paths in the function can go to
> bad_swap.
> 
> Signed-off-by: Cesar Eduardo Barros <cesarb@...arb.net>
> Tested-by: Eric B Munson <emunson@...bm.net>
> Acked-by: Eric B Munson <emunson@...bm.net>


Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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