linux-kernel - [PATCH RFC 0/2] fuse: compound commands

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Message-Id: <20251223-fuse-compounds-upstream-v1-0-7bade663947b@ddn.com>
Date: Tue, 23 Dec 2025 13:05:28 +0100
From: Horst Birthelmer <hbirthelmer@...glemail.com>
To: Miklos Szeredi <miklos@...redi.hu>, Bernd Schubert <bschubert@....com>
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
 Horst Birthelmer <hbirthelmer@....com>
Subject: [PATCH RFC 0/2] fuse: compound commands

In the discussion about open+getattr here [1] Bernd and Miklos talked
about the need for a compound command in fuse that could send multiple
commands to a fuse server.
    
Here's a propsal for exactly that compound command with an example
(the mentioned open+getattr).
    
[1] https://lore.kernel.org/linux-fsdevel/CAJfpegshcrjXJ0USZ8RRdBy=e0MxmBTJSCE0xnxG8LXgXy-xuQ@mail.gmail.com/

Signed-off-by: Horst Birthelmer <hbirthelmer@....com>
---
Horst Birthelmer (2):
      fuse: add compound command to combine multiple requests
      fuse: add an implementation of open+getattr

 fs/fuse/Makefile          |   2 +-
 fs/fuse/compound.c        | 368 ++++++++++++++++++++++++++++++++++++++++++++++
 fs/fuse/dev.c             |  25 ++++
 fs/fuse/file.c            | 115 +++++++++++++--
 fs/fuse/fuse_i.h          |  20 ++-
 fs/fuse/inode.c           |   6 +
 fs/fuse/ioctl.c           |   2 +-
 include/uapi/linux/fuse.h |  37 +++++
 8 files changed, 556 insertions(+), 19 deletions(-)
---
base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578
change-id: 20251223-fuse-compounds-upstream-c85b4e39b3d3

Best regards,
-- 
Horst Birthelmer <hbirthelmer@....com>