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From: Christoph Hellwig <>
To: "Darrick J. Wong" <>
Cc: Christoph Hellwig <>,
	Omar Sandoval <>,,,
	Jan Kara <>, Aleksei Besogonov <>,
Subject: Re: [PATCH v2 1/2] iomap: provide more useful errors for invalid swap files
Date: Wed, 16 May 2018 11:22:22 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20180516181142.GK23858@magnolia>

On Wed, May 16, 2018 at 11:11:42AM -0700, Darrick J. Wong wrote:
> That's what I thought -- we only see NULL_ADDR for holes and delalloc
> extents, and we already check for both of those.  But I didn't see
> anything in iomap.h expressly saying that, so I decided to be defensive
> and check it anyway.
> IOWs it would be helpful to have a little more documentation about which
> flags go together,

patches welcome :)

> particularly for things like IOMAP_F_BOUNDARY that
> don't have any meaning in xfs.

Yikes, how did that even end in the tree?  That whole boundary
thing already made little sene on buffer heads, and even less
so in the generic iomap code.  I think we just need to allocate
a few flags for fs specific uses and move it into gfs2.

  reply	other threads:[~2018-05-16 18:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-16 16:45 [PATCH v2 0/2] iomap: swapfile tweaks Omar Sandoval
2018-05-16 16:45 ` [PATCH v2 1/2] iomap: provide more useful errors for invalid swap files Omar Sandoval
2018-05-16 16:54   ` Darrick J. Wong
2018-05-16 17:25   ` Christoph Hellwig
2018-05-16 17:32     ` Omar Sandoval
2018-05-16 17:46       ` Christoph Hellwig
2018-05-16 18:11         ` Darrick J. Wong
2018-05-16 18:22           ` Christoph Hellwig [this message]
2018-05-16 16:45 ` [PATCH v2 2/2] iomap: don't allow holes in swapfiles Omar Sandoval

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