linux-kernel - [GIT PULL] vfs uuid

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Date: Fri,  8 Mar 2024 11:19:05 +0100
From: Christian Brauner <brauner@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Christian Brauner <brauner@...nel.org>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [GIT PULL] vfs uuid

Hey Linus,

/* Summary */
This adds two new ioctl()s for getting the filesystem uuid and
retrieving the sysfs path based on the path of a mounted filesystem. The
bcachefs pull request should include a merge of this as well as it
depends on the two new ioctls. Getting the filesystem uuid has been
implemented in filesystem specific code for a while it's now lifted as a
generic ioctl.

/* Testing */
clang: Debian clang version 16.0.6 (19)
gcc: (Debian 13.2.0-7) 13.2.0

All patches are based on v6.8-rc1 and have been sitting in linux-next.
No build failures or warnings were observed.

/* Conflicts */
At the time of creating this PR no merge conflicts were reported from
linux-next and no merge conflicts showed up doing a test-merge with
current mainline.

The following changes since commit 6613476e225e090cc9aad49be7fa504e290dd33d:

  Linux 6.8-rc1 (2024-01-21 14:11:32 -0800)

are available in the Git repository at:

  git@...olite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs tags/vfs-6.9.uuid

for you to fetch changes up to 01edea1bbd1768be41729fd018a82556fa1810ec:

  Merge series "filesystem visibility ioctls" of https://lore.kernel.org/r/20240207025624.1019754-1-kent.overstreet@linux.dev (2024-02-12 13:14:21 +0100)

Please consider pulling these changes from the signed vfs-6.9.uuid tag.

Thanks!
Christian

----------------------------------------------------------------
vfs-6.9.uuid

----------------------------------------------------------------
Christian Brauner (1):
      Merge series "filesystem visibility ioctls" of https://lore.kernel.org/r/20240207025624.1019754-1-kent.overstreet@linux.dev

Kent Overstreet (6):
      fs: super_set_uuid()
      ovl: convert to super_set_uuid()
      fs: FS_IOC_GETUUID
      fat: Hook up sb->s_uuid
      fs: add FS_IOC_GETFSSYSFSPATH
      xfs: add support for FS_IOC_GETFSSYSFSPATH

 Documentation/userspace-api/ioctl/ioctl-number.rst |  3 +-
 fs/ext4/super.c                                    |  2 +-
 fs/f2fs/super.c                                    |  2 +-
 fs/fat/inode.c                                     |  3 ++
 fs/gfs2/ops_fstype.c                               |  2 +-
 fs/ioctl.c                                         | 33 ++++++++++++++
 fs/kernfs/mount.c                                  |  4 +-
 fs/ocfs2/super.c                                   |  4 +-
 fs/overlayfs/util.c                                | 18 +++++---
 fs/ubifs/super.c                                   |  2 +-
 fs/xfs/xfs_mount.c                                 |  4 +-
 include/linux/fs.h                                 | 52 ++++++++++++++++++++++
 include/uapi/linux/fs.h                            | 25 +++++++++++
 mm/shmem.c                                         |  4 +-
 14 files changed, 141 insertions(+), 17 deletions(-)