linux-ext4 - Re: [PATCH 21/31] libext2fs: Be more thorough in searching a range of blocks for a cluster

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Message-ID: <20131008160937.GJ17896@thunk.org>
Date:	Tue, 8 Oct 2013 12:09:37 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 21/31] libext2fs: Be more thorough in searching a range
 of blocks for a cluster

On Mon, Sep 30, 2013 at 06:28:56PM -0700, Darrick J. Wong wrote:
> implied_cluster_alloc() is written such that if the the user passes in a
> logical block that is the zeroth block in a logical cluster (lblk %
> cluster_ratio == 0), then it will assume that there is no physical cluster
> mapped to any other part of the logical cluster.
> 
> This is not true if we happen to be allocating logical blocks in reverse order.
> Therefore, search the whole cluster, except for the lblk that we passed in.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

						- Ted
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