Re: [PATCH 1/1] xfs: test regression in shrink when EOFS splits a sparse inode cluster

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Subject: Re: [PATCH 1/1] xfs: test regression in shrink when EOFS splits a sparse inode cluster
From: "Darrick J. Wong" <djwong@xxxxxxxxxx>
Date: Thu, 22 Jul 2021 12:02:17 -0700
Cc: guaneryu@xxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, fstests@xxxxxxxxxxxxxxx, guan@xxxxxxx
In-reply-to: <YPkSu7fKSQr6GHMR@infradead.org>
References: <162674333583.2650988.770205039530275517.stgit@magnolia> <162674334129.2650988.5261253913273700235.stgit@magnolia> <YPkSu7fKSQr6GHMR@infradead.org>

On Thu, Jul 22, 2021 at 07:39:55AM +0100, Christoph Hellwig wrote:
> What do EOFS and EOAG stand for?

End of Filesystem and End of AG.  The shrink code forgot that we can't
have inode records that stretch past the end of the last AG, even if
the upper inodes are sparse.

--D

References:
- [PATCHSET 0/1] fstests: regression tests for 5.14 fixes
  - From: Darrick J. Wong
- [PATCH 1/1] xfs: test regression in shrink when EOFS splits a sparse inode cluster
  - From: Darrick J. Wong
- Re: [PATCH 1/1] xfs: test regression in shrink when EOFS splits a sparse inode cluster
  - From: Christoph Hellwig

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