[GIT PULL for v7.0] vfs fixes

[Christian Brauner]

Hey Linus,

/* Summary */

This contains a few fixes for this cycle:

- kthread: consolidate kthread exit paths to prevent use-after-free

- iomap: don't mark folio uptodate if read IO has bytes pending

- iomap: don't mark folio uptodate if read IO has bytes pending

- iomap: don't report direct-io retries to fserror

- ns: tighten visibility checks

- netfs: Fix unbuffered/DIO writes to dispatch subrequests in strict sequence

- iomap: reject delalloc mappings during writeback

/* Conflicts */

Merge conflicts with mainline
=============================

No known conflicts.

Merge conflicts with other trees
================================

The following changes since commit d9d32e5bd5a4e57675f2b70ddf73c3dc5cf44fc2:

  Merge tag 'ata-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux (2026-02-25 10:41:14 -0800)

are available in the Git repository at:

  git@xxxxxxxxxxxxxxxxxxx:pub/scm/linux/kernel/git/vfs/vfs tags/vfs-7.0-rc3.fixes

for you to fetch changes up to d320f160aa5ff36cdf83c645cca52b615e866e32:

  iomap: reject delalloc mappings during writeback (2026-03-04 14:31:56 +0100)

----------------------------------------------------------------
vfs-7.0-rc3.fixes

Please consider pulling these changes from the signed vfs-7.0-rc3.fixes tag.

Thanks!
Christian

----------------------------------------------------------------
Christian Brauner (7):
      kthread: consolidate kthread exit paths to prevent use-after-free
      nsfs: tighten permission checks for ns iteration ioctls
      nsfs: tighten permission checks for handle opening
      nstree: tighten permission checks for listing
      selftests: fix mntns iteration selftests
      Merge patch series "tighten nstree visibility checks"
      Merge patch "iomap: don't mark folio uptodate if read IO has bytes pending"

Darrick J. Wong (2):
      iomap: don't report direct-io retries to fserror
      iomap: reject delalloc mappings during writeback

David Howells (1):
      netfs: Fix unbuffered/DIO writes to dispatch subrequests in strict sequence

Joanne Koong (1):
      iomap: don't mark folio uptodate if read IO has bytes pending

 fs/iomap/buffered-io.c                             |  15 +-
 fs/iomap/direct-io.c                               |  15 +-
 fs/iomap/ioend.c                                   |  13 +-
 fs/netfs/direct_write.c                            | 228 +++++++++++++++++++--
 fs/netfs/internal.h                                |   4 +-
 fs/netfs/write_collect.c                           |  21 --
 fs/netfs/write_issue.c                             |  41 +---
 fs/nsfs.c                                          |  15 +-
 include/linux/kthread.h                            |  21 +-
 include/linux/ns_common.h                          |   2 +
 include/trace/events/netfs.h                       |   4 +-
 kernel/exit.c                                      |   6 +
 kernel/kthread.c                                   |  41 +---
 kernel/nscommon.c                                  |   6 +
 kernel/nstree.c                                    |  29 +--
 .../selftests/filesystems/nsfs/iterate_mntns.c     |  25 ++-
 16 files changed, 326 insertions(+), 160 deletions(-)