linux-kernel - [GIT PULL] fuse update for 6.14

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Message-ID: <CAJfpegvZoxFLWkFzHPw71FsVxoGMwg+P_iz9eeyU54+D4KG4ow@mail.gmail.com>
Date: Wed, 29 Jan 2025 16:33:21 +0100
From: Miklos Szeredi <miklos@...redi.hu>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bernd Schubert <bernd.schubert@...tmail.fm>
Subject: [GIT PULL] fuse update for 6.14

Hi Linus,

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
tags/fuse-update-6.14

Add support for io-uring communication between kernel and userspace
using IORING_OP_URING_CMD (Bernd Schubert).  Following features enable
gains in performance compared to the regular interface:

- Allow processing multiple requests with less syscall overhead

- Combine commit of old and fetch of new fuse request

- CPU/NUMA affinity of queues

Patches were reviewed by several people, including Pavel Begunkov,
io-uring co-maintainer.

Thanks,
Miklos
---

Bernd Schubert (18):
      fuse: rename to fuse_dev_end_requests and make non-static
      fuse: Move fuse_get_dev to header file
      fuse: Move request bits
      fuse: Add fuse-io-uring design documentation
      fuse: make args->in_args[0] to be always the header
      fuse: {io-uring} Handle SQEs - register commands
      fuse: Make fuse_copy non static
      fuse: Add fuse-io-uring handling into fuse_copy
      fuse: {io-uring} Make hash-list req unique finding functions non-static
      fuse: Add io-uring sqe commit and fetch support
      fuse: {io-uring} Handle teardown of ring entries
      fuse: {io-uring} Make fuse_dev_queue_{interrupt,forget} non-static
      fuse: Allow to queue fg requests through io-uring
      fuse: Allow to queue bg requests through io-uring
      fuse: {io-uring} Prevent mount point hang on fuse-server termination
      fuse: block request allocation until io-uring init is complete
      fuse: enable fuse-over-io-uring
      fuse: prevent disabling io-uring on active connections

---
 Documentation/filesystems/fuse-io-uring.rst |   99 ++
 Documentation/filesystems/index.rst         |    1 +
 fs/fuse/Kconfig                             |   12 +
 fs/fuse/Makefile                            |    1 +
 fs/fuse/dax.c                               |   11 +-
 fs/fuse/dev.c                               |  127 +--
 fs/fuse/dev_uring.c                         | 1319 +++++++++++++++++++++++++++
 fs/fuse/dev_uring_i.h                       |  205 +++++
 fs/fuse/dir.c                               |   32 +-
 fs/fuse/fuse_dev_i.h                        |   66 ++
 fs/fuse/fuse_i.h                            |   32 +-
 fs/fuse/inode.c                             |   14 +-
 fs/fuse/xattr.c                             |    7 +-
 include/uapi/linux/fuse.h                   |   76 +-
 14 files changed, 1924 insertions(+), 78 deletions(-)
 create mode 100644 Documentation/filesystems/fuse-io-uring.rst
 create mode 100644 fs/fuse/dev_uring.c
 create mode 100644 fs/fuse/dev_uring_i.h
 create mode 100644 fs/fuse/fuse_dev_i.h