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Date: Thu, 21 Dec 2023 00:27:12 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Ahelenia =?utf-8?Q?Ziemia=C5=84ska?= <nabijaczleweli@nabijaczleweli.xyz>
Cc: Jens Axboe <axboe@kernel.dk>, Christian Brauner <brauner@kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 01/11] splice: copy_splice_read: do the I/O with
 IOCB_NOWAIT
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References: <cover.1703126594.git.nabijaczleweli@nabijaczleweli.xyz>
 <d87ac02081f2d698dde10da7da51336afc59b480.1703126594.git.nabijaczleweli@nabijaczleweli.xyz>
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On Thu, Dec 21, 2023 at 04:08:45AM +0100, Ahelenia Ziemiańska wrote:
> Otherwise we risk sleeping with the pipe locked for indeterminate

You can't just assume that any ->read_iter support IOCB_NOWAIT.