linux-kernel - Re: [PATCH] blockgroup_lock.h: simplify definition of NR_BG

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Message-ID: <20160915222956.4ekfwjbwps4a6x2f@thunk.org>
Date:   Thu, 15 Sep 2016 18:29:56 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     Andreas Dilger <adilger@...ger.ca>
Cc:     Eric Biggers <ebiggers@...gle.com>,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] blockgroup_lock.h: simplify definition of NR_BG_LOCKS

On Wed, Sep 14, 2016 at 03:09:30PM -0600, Andreas Dilger wrote:
> On Sep 14, 2016, at 1:28 PM, Eric Biggers <ebiggers@...gle.com> wrote:
> > 
> > We can use ilog2() to more easily produce the desired NR_BG_LOCKS.  This
> > works because ilog2() is evaluated at compile-time when its argument is
> > a compile-time constant.
> > 
> > I did not change the chosen NR_BG_LOCKS values.
> > 
> > Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> 
> Reviewed-by: Andreas Dilger <adilger@...ger.ca>

Applied, thanks.

						- Ted