| From: |
| horst-AT-birthelmer.com |
| To: |
| Miklos Szeredi <miklos-AT-szeredi.hu>, Bernd Schubert <bschubert-AT-ddn.com>, Joanne Koong <joannelkoong-AT-gmail.com> |
| Subject: |
| [PATCH RFC v3 0/3] fuse: compound commands |
| Date: |
| Thu, 08 Jan 2026 15:23:33 +0100 |
| Message-ID: |
| <20260108-fuse-compounds-upstream-v3-0-8dc91ebf3740@ddn.com> |
| Cc: |
| linux-kernel-AT-vger.kernel.org, linux-fsdevel-AT-vger.kernel.org, Horst Birthelmer <hbirthelmer-AT-ddn.com>, syzbot-AT-syzkaller.appspotmail.com |
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/CAJfpegshcrjXJ0USZ8...
Signed-off-by: Horst Birthelmer <hbirthelmer@ddn.com>
---
Changes in v3:
- simplified the data handling for compound commands
- remove the validating functionality, since it was only a helper for
development
- remove fuse_compound_request() and use fuse_simple_request()
- add helper functions for creating args for open and attr
- use the newly createn helper functions for arg creation for open and
getattr
- Link to v2: https://lore.kernel.org/r/20251223-fuse-compounds-upstrea...
Changes in v2:
- fixed issues with error handling in the compounds as well as in the
open+getattr
- Link to v1: https://lore.kernel.org/r/20251223-fuse-compounds-upstrea...
---
Horst Birthelmer (3):
fuse: add compound command to combine multiple requests
fuse: add an implementation of open+getattr
fuse: use the newly created helper functions
fs/fuse/Makefile | 2 +-
fs/fuse/compound.c | 276 ++++++++++++++++++++++++++++++++++++++++++++++
fs/fuse/dir.c | 9 +-
fs/fuse/file.c | 152 +++++++++++++++++++++----
fs/fuse/fuse_i.h | 27 ++++-
fs/fuse/inode.c | 6 +
fs/fuse/ioctl.c | 2 +-
include/uapi/linux/fuse.h | 37 +++++++
8 files changed, 476 insertions(+), 35 deletions(-)
---
base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578
change-id: 20251223-fuse-compounds-upstream-c85b4e39b3d3
Best regards,
--
Horst Birthelmer <hbirthelmer@ddn.com>
