linux-ext4 - Re: [PATCH 19/54] e2fsck: salvage under-sized dirents by removing them

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Message-ID: <20150216154042.GD16560@thunk.org>
Date:	Mon, 16 Feb 2015 10:40:42 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 19/54] e2fsck: salvage under-sized dirents by removing
 them

On Mon, Jan 26, 2015 at 11:37:37PM -0800, Darrick J. Wong wrote:
> If the directory processing code ends up pointing to a directory entry
> that's so close to the end of the block that there's not even space
> for a rec_len/name_len, just substitute dummy values that will force
> e2fsck to extend the previous entry to cover the remaining space.  We
> can't use the helper methods to extract rec_len because that's reading
> off the end of the buffer.
> 
> This isn't an issue with non-inline directories because the directory
> check buffer is zero-extended so that fsck won't blow up.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

						- Ted
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