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From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: sandeen@sandeen.net, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/3] xfs_repair: never zero a shortform '..' entry
Date: Wed, 15 Jul 2020 19:44:49 +0100	[thread overview]
Message-ID: <20200715184449.GE23618@infradead.org> (raw)
In-Reply-To: <159476320951.3156851.9608086404704132538.stgit@magnolia>

On Tue, Jul 14, 2020 at 02:46:49PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Repair has this strange behavior during phase 4 where it will zero the
> parent pointer entry of a shortform directory if the pointer is
> obviously invalid.  Unfortunately, this causes the inode fork verifiers
> to fail, so change it to reset bad pointers (ondisk) to the root
> directory.  If repair crashes, a subsequent run will notice the
> incorrect parent pointer and either fix the dir or move it to
> lost+found.
> 
> Note that we maintain the practice of setting the *incore* parent to
> NULLFSINO so that phase 7 knows that it has to fix the directory.

I think we probably want to take Brians series instead, which does
a few more things in the area.

  reply	other threads:[~2020-07-15 18:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 21:46 [PATCH 0/3] xfs: preparation for syncing with 5.8 Darrick J. Wong
2020-07-14 21:46 ` [PATCH 1/3] xfs_db: stop misusing an onstack inode Darrick J. Wong
2020-07-15 18:38   ` Christoph Hellwig
2020-08-10 20:00     ` Darrick J. Wong
2020-08-10 23:21   ` Eric Sandeen
2020-07-14 21:46 ` [PATCH 2/3] xfs_repair: never zero a shortform '..' entry Darrick J. Wong
2020-07-15 18:44   ` Christoph Hellwig [this message]
2020-07-14 21:46 ` [PATCH 3/3] libxfs: remove ifork_ops from all client programs Darrick J. Wong

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