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From: Miao Xie <miaox@cn.fujitsu.com>
To: Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 1/2] Btrfs: cleanup duplicated division functions
Date: Mon, 17 Sep 2012 10:21:00 +0800	[thread overview]
Message-ID: <5056890C.5020208@cn.fujitsu.com> (raw)
In-Reply-To: <20120914135418.GM17430@twin.jikos.cz>

On fri, 14 Sep 2012 15:54:18 +0200, David Sterba wrote:
> On Thu, Sep 13, 2012 at 06:51:36PM +0800, Miao Xie wrote:
>> div_factor{_fine} has been implemented for two times, cleanup it.
>> And I move them into a independent file named math.h because they are
>> common math functions.
> 
> You removed the sanity checks:
> 
> -       if (factor <= 0)
> -               return 0;
> -       if (factor >= 100)
> -               return num;

As inline functions, they should not contain complex checks, the caller should
make sure the parameters are right. I think.

> in new version. And I don't think it's necessary to add an extra include
> with a rather generic name and trivial code. A separate .h/.c with
> non-filesystem related support code like this looks more suitable.
> 
> Do you intend to use the functions out of extent-tree.c ?

They are used in both extent-tree.c and volumes.c from the outset, but they
were implemented in these two files severally.

  reply	other threads:[~2012-09-17  2:21 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-13 10:51 [PATCH 1/2] Btrfs: cleanup duplicated division functions Miao Xie
2012-09-14 13:54 ` David Sterba
2012-09-17  2:21   ` Miao Xie [this message]
2012-09-17 12:07     ` Ilya Dryomov
2012-09-17 16:31     ` David Sterba
2012-09-18  3:53       ` Miao Xie
2012-09-20  2:57 ` [PATCH V2 " Miao Xie
2012-09-20 13:28   ` David Sterba
2012-09-21  8:26     ` Miao Xie
2012-09-21  9:07   ` [PATCH V3 " Miao Xie
2012-09-21 15:24     ` David Sterba
2012-09-23  9:54       ` Miao Xie
2012-09-24 16:33         ` David Sterba
2012-09-23 11:49     ` Ilya Dryomov
2012-09-24  2:05       ` Miao Xie
2012-09-24 16:47         ` David Sterba
2012-09-24 18:42           ` Ilya Dryomov
2012-09-25 10:24             ` Miao Xie
2012-09-27 10:15           ` Miao Xie
2012-09-27 10:19     ` [PATCH V4 " Miao Xie
2012-09-27 16:56       ` Ilya Dryomov
2012-09-28  1:30         ` Miao Xie
2012-09-28  1:49       ` [PATCH V5 " Miao Xie
2012-09-28 10:09         ` David Sterba

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