linux-ext4 - Re: [PATCH 19/24] e2fsck: always submit logical block 0 of a directory for pass 2

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Date:	Fri, 25 Jul 2014 08:40:59 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 19/24] e2fsck: always submit logical block 0 of a
 directory for pass 2

On Fri, Jul 18, 2014 at 03:54:38PM -0700, Darrick J. Wong wrote:
> Always iterate logical block 0 in a directory, even if no physical
> block has been allocated.  Pass 2 will notice the lack of mapping and
> offer to allocate a new directory block; this enables us to link the
> directory into lost+found.
> 
> Previously, if there were no logical blocks mapped, we would fail to
> pick up even block 0 of the directory for processing in pass 2.  This
> meant that e2fsck never allocated a block 0 and therefore wouldn't fix
> the missing . and .. entries for the directory; subsequent e2fsck runs
> would complain about (yet never fix) the problem.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Thanks, applied.

						- Ted
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