[GIT PULL] Ceph fixes for 6.18-rc1

[Ilya Dryomov <idryomov@gmail.com>]

Hi Linus,

The following changes since commit e5f0a698b34ed76002dc5cff3804a61c80233a7a:

  Linux 6.17 (2025-09-28 14:39:22 -0700)

are available in the Git repository at:

  https://github.com/ceph/ceph-client.git tags/ceph-for-6.18-rc1

for you to fetch changes up to d74d6c0e98958aa0bdb6f0a93258a856bda58b97:

  ceph: add bug tracking system info to MAINTAINERS (2025-10-09 00:15:04 +0200)

----------------------------------------------------------------
Some messenger improvements from Eric and Max, a patch to address the
issue (also affected userspace) of incorrect permissions being granted
to users who have access to multiple different CephFS instances within
the same cluster from Kotresh and a bunch of assorted CephFS fixes from
Slava.

----------------------------------------------------------------
Eric Biggers (1):
      libceph: Use HMAC-SHA256 library instead of crypto_shash

Kotresh HR (1):
      ceph: fix multifs mds auth caps issue

Max Kellermann (4):
      ceph: make ceph_start_io_*() killable
      libceph: make ceph_con_get_out_msg() return the message pointer
      libceph: pass the message pointer instead of loading con->out_msg
      libceph: add empty check to ceph_con_get_out_msg()

Viacheslav Dubeyko (9):
      ceph: add checking of wait_for_completion_killable() return value
      ceph: fix wrong sizeof argument issue in register_session()
      ceph: fix overflowed constant issue in ceph_do_objects_copy()
      ceph: fix potential race condition in ceph_ioctl_lazyio()
      ceph: refactor wake_up_bit() pattern of calling
      ceph: fix potential race condition on operations with CEPH_I_ODIRECT flag
      ceph: fix potential NULL dereference issue in ceph_fill_trace()
      ceph: cleanup in ceph_alloc_readdir_reply_buffer()
      ceph: add bug tracking system info to MAINTAINERS

 MAINTAINERS                    |   3 +
 fs/ceph/dir.c                  |   3 +-
 fs/ceph/file.c                 |  30 ++---
 fs/ceph/inode.c                |  11 ++
 fs/ceph/io.c                   | 100 ++++++++++++-----
 fs/ceph/io.h                   |   8 +-
 fs/ceph/ioctl.c                |  17 ++-
 fs/ceph/locks.c                |   5 +-
 fs/ceph/mds_client.c           |  22 +++-
 fs/ceph/mdsmap.c               |  14 ++-
 fs/ceph/super.c                |  14 ---
 fs/ceph/super.h                |  17 ++-
 include/linux/ceph/messenger.h |  10 +-
 net/ceph/Kconfig               |   3 +-
 net/ceph/messenger.c           |  12 +-
 net/ceph/messenger_v1.c        |  56 +++++-----
 net/ceph/messenger_v2.c        | 246 ++++++++++++++++++-----------------------
 17 files changed, 323 insertions(+), 248 deletions(-)