linux-ext4 - Re: [PATCH 08/31] libext2fs: Fix off-by-one error in file truncation

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Message-ID: <20131008155216.GE17896@thunk.org>
Date:	Tue, 8 Oct 2013 11:52:16 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 08/31] libext2fs: Fix off-by-one error in file truncation

On Mon, Sep 30, 2013 at 06:27:34PM -0700, Darrick J. Wong wrote:
> When told to truncate a file, ext2fs_file_set_size2 should start with the first
> block past the end of the file.  The current calculation jumps one more block
> ahead, with the result that it fails to hack off the last block.  Adding
> blocksize-1 and dividing is sufficient to find the last block.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

					- Ted
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