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Date:   Sun, 18 Oct 2020 16:04:35 +0100
From:   Matthew Wilcox <>
To:     "Theodore Y. Ts'o" <>
        Andreas Dilger <>,
Subject: Re: [PATCH v3 12/18] ext4: Return error from ext4_readpage

On Sun, Oct 18, 2020 at 10:25:57AM -0400, Theodore Y. Ts'o wrote:
> On Fri, Oct 16, 2020 at 05:04:37PM +0100, Matthew Wilcox (Oracle) wrote:
> > The error returned from ext4_map_blocks() was being discarded, leading
> > to the generic -EIO being returned to userspace.  Now ext4 can return
> > more precise errors.
> > 
> > Signed-off-by: Matthew Wilcox (Oracle) <>
> This change is independent of the synchronous readpage changes,
> correct?  Or am I missing something?

It's a step along the way.  If you want to queue it up independently of
the other changes, I see no problem with that.  The requirement to make
a synchronous ->readpage killable is making the conversion quite thorny
and I'm not sure I'm going to get it done this merge window.

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