linux-kernel - Re: [PATCH 09/17] fs/hpfs: remove unnecessary new_valid

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Date:	Thu, 1 Oct 2015 22:49:41 +0200 (CEST)
From:	Mikulas Patocka <mikulas@...bright.com>
To:	Yaowei Bai <bywxiaobai@....com>
cc:	viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/17] fs/hpfs: remove unnecessary new_valid_dev check



On Wed, 30 Sep 2015, Yaowei Bai wrote:

> On Tue, Sep 29, 2015 at 05:03:24PM +0200, Mikulas Patocka wrote:
> > Hi
> > 
> > I suppose that you should remove the function new_valid_dev at all.
> 
> Yes, i thought about that, but actually there's still a user of
> new_valid_dev in fs/stat.c:
> 
> 	#define valid_dev(x)  choose_32_64(old_valid_dev,new_valid_dev)(x)
> 
> so i just left new_valid_dev untouched and removed other users in fs first.

So, remove that too - change it to choose_32_64(old_valid_dev(x),true)

If you remove most calls for the function new_valid_dev, the function is 
meaningless and shouldn't be present in the source code.

Mikulas
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