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

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Date:	Thu, 8 Oct 2015 20:22:01 +0800
From:	Yaowei Bai <bywxiaobai@....com>
To:	Mikulas Patocka <mikulas@...bright.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 Thu, Oct 01, 2015 at 10:49:41PM +0200, Mikulas Patocka wrote:
> 
> 
> 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.

Sorry for delay reply. OK, i will follow your advice and send another patch to
remove it once this patchset's taken by vfs or mm tree. Thanks for reviewing.

Yaowei

> 
> Mikulas

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