linux-kernel - [GIT PULL] libnvdimm / persistent memory update for v5.15

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Date:   Wed, 8 Sep 2021 16:18:28 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux NVDIMM <nvdimm@...ts.linux.dev>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] libnvdimm / persistent memory update for v5.15

Hi Linus, please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
tags/libnvdimm-for-5.15

...to receive the libnvdimm update for v5.15. It includes a bug fix
for a long standing race in the driver shutdown path. More people are
stress testing the nvdimm configuration mechanism which is a welcome
sign. There is also a rework of the infrastructure for looking up the
dax_device associated with a block_device.

This collided (silent conflict) with the erofs updates to add dax
support this cycle. Gao Xiang noted this as well in the erofs pull
request. Stephen's fix [1] looked correct to me. Otherwise, it has
been in -next for a while with no other reported issues.

Please pull, thanks,
Dan

[1]: https://lore.kernel.org/r/20210830170938.6fd8813d@canb.auug.org.au

---


The following changes since commit e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93:

  Linux 5.14-rc7 (2021-08-22 14:24:56 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
tags/libnvdimm-for-5.15

for you to fetch changes up to 3fc3725357414636d91be1558ce8b14f228b4bda:

  Merge branch 'for-5.15/fsdax-cleanups' into for-5.15/libnvdimm
(2021-09-08 15:58:13 -0700)

----------------------------------------------------------------
libnvdimm for v5.15

- Fix a race condition in the teardown path of raw mode pmem namespaces.

- Cleanup the code that filesystems use to detect filesystem-dax
  capabilities of their underlying block device.

----------------------------------------------------------------
Christoph Hellwig (9):
      fsdax: improve the FS_DAX Kconfig description and help text
      dax: stop using bdevname
      dm: use fs_dax_get_by_bdev instead of dax_get_by_host
      dax: mark dax_get_by_host static
      dax: move the dax_read_lock() locking into dax_supported
      dax: remove __generic_fsdax_supported
      dax: stub out dax_supported for !CONFIG_FS_DAX
      xfs: factor out a xfs_buftarg_is_dax helper
      dax: remove bdev_dax_supported

Dan Williams (1):
      Merge branch 'for-5.15/fsdax-cleanups' into for-5.15/libnvdimm

sumiyawang (1):
      libnvdimm/pmem: Fix crash triggered when I/O in-flight during unbind

 drivers/dax/super.c   | 191 +++++++++++++++++++-------------------------------
 drivers/md/dm-table.c |   9 +--
 drivers/md/dm.c       |   2 +-
 drivers/nvdimm/pmem.c |   4 +-
 fs/Kconfig            |  21 +++++-
 fs/ext2/super.c       |   3 +-
 fs/ext4/super.c       |   3 +-
 fs/xfs/xfs_super.c    |  16 +++--
 include/linux/dax.h   |  41 ++---------
 9 files changed, 119 insertions(+), 171 deletions(-)