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Message-ID: <20141214011740.GB29787@thunk.org>
Date: Sat, 13 Dec 2014 20:17:40 -0500
From: Theodore Ts'o <tytso@....edu>
To: "Darrick J. Wong" <darrick.wong@...cle.com>
Cc: linux-ext4@...r.kernel.org
Subject: Re: [PATCH 12/47] libext2fs: set interior tree block goal more
intelligently
On Fri, Nov 07, 2014 at 01:52:05PM -0800, Darrick J. Wong wrote:
> When we're splitting an extent node, try to allocate the new interior
> tree block just prior to the first extent in the block we're trying to
> split. The previous logic only set a goal block if we had to split
> both the current node and its parent, which is somewhat infrequent.
> When that would happen, the goal would start at zero, leading to poor
> locality.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
Thanks, applied.
- Ted
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