linux-kernel - Re: [rfc patch 3/4] splice: remove confirm from pipe_buf

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Message-ID: <alpine.LFD.1.10.0806241246240.2926@woody.linux-foundation.org>
Date:	Tue, 24 Jun 2008 12:47:27 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Miklos Szeredi <miklos@...redi.hu>
cc:	jens.axboe@...cle.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [rfc patch 3/4] splice: remove confirm from
 pipe_buf_operations



On Tue, 24 Jun 2008, Miklos Szeredi wrote:
> 
> Or it can only happen if there was an I/O error on reading the page.

Now, IO errors are something else. They should have the PG_error bit set, 
and we should just return EIO or something.

That said, I'd not be surprised at all if error handling is broken. It's 
often been broken even in the _normal_ paths (ie totally normal "read()" 
etc).

		Linus
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