linux-ext4 - Re: [PATCH 07/54] libext2fs: fix tdb.c mmap leak

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Date:	Tue, 27 Jan 2015 11:09:37 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 07/54] libext2fs: fix tdb.c mmap leak

On Mon, Jan 26, 2015 at 11:36:18PM -0800, Darrick J. Wong wrote:
> When undoing an expansion of an mmap'd database while cancelling a
> transaction, the tdb code prematurely decreases the variable that
> tracks the file size, which leads to a region leak during the
> subsequent unmap.  Fix this by maintaining a separate counter for the
> region size.
> 
> (This is probably unnecessary since e2undo was the only user of tdb
> transactions, but I suppose we could be proactive.)
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

						- Ted
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