linux-ext4 - Re: [PATCH v2 10/10] ext4: use memweight()

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Message-ID: <CAC5umyhJ1mCGHE6i61MKOMr4RxVAh_wUFDWUEPsdtK_rC-o4=A@mail.gmail.com>
Date:	Sun, 3 Jun 2012 21:57:42 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	Andreas Dilger <adilger@...ger.ca>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"Theodore Ts'o" <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH v2 10/10] ext4: use memweight()

2012/6/2 Andreas Dilger <adilger@...ger.ca>:
> On 2012-06-02, at 7:40, Akinobu Mita <akinobu.mita@...il.com> wrote:
>
>> Use memweight() to count the total number of bits clear in memory area.
>> This change only affects the code segments enabled by EXT4FS_DEBUG.
>
> Personally, I'd rather still keep a thin wrapper ext4_count_free() and put the memweight() call and math inside that. The function name ext4_count_free() is meaningful to readers, while memweight() is much less so.

OK, I'll make such change to ext[234] if no other people disagree with it.
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