From: Christoph Hellwig <hch@infradead.org>
To: Eric Sandeen <sandeen@redhat.com>
Cc: xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH] xfs_copy: accept XFS_ABTB_CRC_MAGIC
Date: Tue, 25 Feb 2014 18:07:37 -0800 [thread overview]
Message-ID: <20140226020737.GA21877@infradead.org> (raw)
In-Reply-To: <530D4B68.9090905@redhat.com>
On Tue, Feb 25, 2014 at 08:03:20PM -0600, Eric Sandeen wrote:
> xfs_copy needs a fair bit of work for CRCs because it rewrites
> UUIDs by default, but this change will get it working properly
> with the "-d" (duplicate) option which keeps the same UUID.
I don't think ASSERTs for user supplied data are a good idea, this
should be some real error handling.
> However, I wonder if we should fail CRC filesystems outright
> for now if -d isn't specified, because it will invalidate every
> CRC and generally make a mess of things...
Yeah, for now it probably should be rejected.
It would also be useful to have a list of such issues in an README.v5
or TODO.v5 file in the xfsprogs tree.
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next prev parent reply other threads:[~2014-02-26 2:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-26 2:03 [PATCH] xfs_copy: accept XFS_ABTB_CRC_MAGIC Eric Sandeen
2014-02-26 2:07 ` Christoph Hellwig [this message]
2014-02-26 6:02 ` Dave Chinner
2014-02-26 16:22 ` [PATCH V2] xfs_copy: band-aids for CRC filesystems Eric Sandeen
2014-02-26 20:48 ` Christoph Hellwig
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