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Date: Wed, 17 Jun 2026 13:07:50 +0200
From: Christian Brauner <brauner@kernel.org>
To: Joanne Koong <joannelkoong@gmail.com>
Cc: Val Packett <val@packett.cool>, Al Viro <viro@zeniv.linux.org.uk>, 
	Linus Torvalds <torvalds@linux-foundation.org>, Askar Safin <safinaskar@gmail.com>, linux-kernel@vger.kernel.org, 
	linux-mm@kvack.org, linux-api@vger.kernel.org, netdev@vger.kernel.org, 
	Matthew Wilcox <willy@infradead.org>, Jens Axboe <axboe@kernel.dk>, 
	Christoph Hellwig <hch@infradead.org>, David Howells <dhowells@redhat.com>, 
	Andrew Morton <akpm@linux-foundation.org>, David Hildenbrand <david@kernel.org>, 
	Pedro Falcato <pfalcato@suse.de>, Miklos Szeredi <miklos@szeredi.hu>, patches@lists.linux.dev, 
	linux-fsdevel@vger.kernel.org, Jan Kara <jack@suse.cz>, Steven Rostedt <rostedt@goodmis.org>, 
	fuse-devel <fuse-devel@lists.linux.dev>, Bernd Schubert <bernd@bsbernd.com>
Subject: Re: [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for
 preadv2/pwritev2
Message-ID: <20260617-attest-gewechselt-tragik-7ed473860051@brauner>
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 <83f05c55-efba-4bf5-abfe-d2ab0819e904@packett.cool>
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In-Reply-To: <CAJnrk1Y9egYizkx1H9K0cqxSYuB+7vLvQbV7Tf4C5eHFqnnC-A@mail.gmail.com>

> After this patch, step b) is a straight copy which means step d)'s
> fixup doesn't modify what's in the pipe. This could be fixed up in
> libfuse to not depend on modify-after-vmsplice, but I don't think this
> helps for applications using already-released libfuse versions. I
> think this patch needs to be reverted.

Note, nothing was merged. I deliberately kept in -next though for a long
time to see how quickly we'd see regressions.