From: Val Packett <val@packett.cool>
To: Al Viro <viro@zeniv.linux.org.uk>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christian Brauner <brauner@kernel.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>,
Joanne Koong <joannelkoong@gmail.com>,
fuse-devel <fuse-devel@lists.linux.dev>
Subject: Re: [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2
Date: Mon, 15 Jun 2026 03:25:04 -0300 [thread overview]
Message-ID: <83f05c55-efba-4bf5-abfe-d2ab0819e904@packett.cool> (raw)
In-Reply-To: <20260601173325.GH2636677@ZenIV>
Hi,
On 6/1/26 2:33 PM, Al Viro wrote:
> On Mon, Jun 01, 2026 at 10:17:23AM -0700, Linus Torvalds wrote:
>
>> TLDR: maybe we could ghet rid of "f_op->splice_read". *That* would be
>> a big simplification.
> FUSE might be interesting - fuse_dev_splice_read() and its ilk.
> Communications between the kernel and fuse server at least used to
> seriously want that, so that would be one place to look for unhappy
> userland...
speaking of fuse_dev_splice……_write actually, this series has broken
xdg-document-portal!
https://github.com/flatpak/xdg-desktop-portal/issues/2026
Specifically what happens is that the EINVAL is returned due to oh.len
!= nbytes:
fuse_dev_do_write: oh.len 16400 != nbytes 15526
(where 16400 == 16384 (read len) + 16, 15526 == 15510 (file len) + 16)
After reverting the series, there is no error because oh.len
becomes 15526 too.
Thanks,
~val
next prev parent reply other threads:[~2026-06-15 6:25 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-31 1:01 [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Askar Safin
2026-05-31 1:01 ` [PATCH 1/3] tee: fs/splice.c: remove unused parameter "flags" from "link_pipe" Askar Safin
2026-05-31 1:01 ` [PATCH 2/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Askar Safin
2026-06-03 20:56 ` Stefan Metzmacher
2026-06-03 21:17 ` Askar Safin
2026-06-04 9:06 ` David Laight
2026-06-04 14:17 ` Linus Torvalds
2026-06-04 17:38 ` David Laight
2026-06-04 19:30 ` Linus Torvalds
2026-06-04 21:32 ` David Laight
2026-06-04 21:42 ` Linus Torvalds
2026-06-05 9:32 ` Florian Weimer
2026-06-05 15:54 ` Linus Torvalds
2026-06-05 16:27 ` Linus Torvalds
2026-06-05 16:30 ` Florian Weimer
2026-06-05 17:12 ` Linus Torvalds
2026-06-06 9:16 ` David Laight
2026-06-05 1:57 ` Nathan Chancellor
2026-06-05 8:23 ` David Laight
2026-06-04 23:25 ` Askar Safin
2026-06-05 11:02 ` Mark Brown
2026-06-05 16:02 ` Linus Torvalds
2026-06-05 16:26 ` Mark Brown
2026-06-05 17:21 ` David Hildenbrand (Arm)
2026-06-08 17:19 ` Alexander Gordeev
2026-06-08 18:42 ` David Hildenbrand (Arm)
2026-06-16 0:36 ` Askar Safin
2026-05-31 1:01 ` [PATCH 3/3] splice: remove PIPE_BUF_FLAG_GIFT Askar Safin
2026-05-31 8:54 ` [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Pedro Falcato
2026-05-31 21:21 ` Askar Safin
2026-06-01 16:16 ` Christian Brauner
2026-06-02 21:12 ` Askar Safin
2026-06-02 21:37 ` Pedro Falcato
2026-06-02 22:06 ` Linus Torvalds
2026-06-02 22:41 ` Pedro Falcato
2026-06-02 23:07 ` Askar Safin
2026-06-02 22:54 ` Askar Safin
2026-06-03 0:05 ` Linus Torvalds
2026-06-03 1:08 ` Askar Safin
2026-06-03 3:51 ` Andy Lutomirski
2026-06-03 4:20 ` Linus Torvalds
2026-06-03 6:45 ` Christian Brauner
2026-06-03 13:40 ` Christian Brauner
2026-06-03 15:26 ` Linus Torvalds
2026-06-03 18:10 ` Andy Lutomirski
2026-06-03 18:28 ` Linus Torvalds
2026-06-03 19:22 ` David Howells
2026-06-03 19:59 ` Linus Torvalds
2026-06-03 21:31 ` Andy Lutomirski
2026-06-03 21:36 ` Linus Torvalds
2026-06-03 21:38 ` Linus Torvalds
2026-06-03 22:23 ` Andy Lutomirski
2026-06-03 22:53 ` Linus Torvalds
2026-06-05 15:15 ` Stefan Metzmacher
2026-06-05 15:58 ` Linus Torvalds
2026-06-10 5:14 ` Herbert Xu
2026-06-10 14:17 ` Linus Torvalds
2026-06-10 5:09 ` Herbert Xu
2026-06-10 9:55 ` David Laight
2026-06-03 22:43 ` Askar Safin
2026-06-03 22:49 ` Andy Lutomirski
2026-06-03 23:00 ` Askar Safin
2026-06-04 0:01 ` Linus Torvalds
2026-06-03 18:12 ` Jakub Kicinski
2026-06-05 9:43 ` Stefan Metzmacher
2026-06-05 12:19 ` David Laight
2026-06-05 15:20 ` Stefan Metzmacher
2026-06-06 10:22 ` David Laight
2026-06-03 11:43 ` Pedro Falcato
2026-06-03 18:14 ` Jakub Kicinski
2026-06-01 3:11 ` Andy Lutomirski
2026-06-01 15:36 ` Matthew Wilcox
2026-06-01 15:50 ` Linus Torvalds
2026-06-01 16:17 ` Christian Brauner
2026-06-01 16:22 ` Linus Torvalds
2026-06-03 19:24 ` David Howells
2026-06-01 16:23 ` Christian Brauner
2026-06-01 17:17 ` Linus Torvalds
2026-06-01 17:33 ` Al Viro
2026-06-01 20:04 ` Steven Rostedt
2026-06-02 0:28 ` Andrew Morton
2026-06-02 8:25 ` David Hildenbrand (Arm)
2026-06-02 18:44 ` Eric Biggers
2026-06-03 7:50 ` David Hildenbrand (Arm)
2026-06-04 6:32 ` Willy Tarreau
2026-06-04 14:31 ` Linus Torvalds
2026-06-04 15:53 ` Willy Tarreau
2026-06-04 15:58 ` Linus Torvalds
2026-06-04 16:15 ` Willy Tarreau
2026-06-05 15:41 ` Willy Tarreau
2026-06-05 20:54 ` The 8472
2026-06-04 15:53 ` Andy Lutomirski
2026-06-04 16:09 ` Willy Tarreau
2026-06-04 17:25 ` Andy Lutomirski
2026-06-03 9:57 ` Miklos Szeredi
2026-06-15 6:25 ` Val Packett [this message]
2026-06-15 13:11 ` Joanne Koong
2026-06-16 1:15 ` Askar Safin
2026-06-05 8:35 ` Collin Funk
2026-06-04 0:45 ` [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Askar Safin
2026-06-04 1:52 ` Linus Torvalds
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