[GIT PULL] Additional gfs2 fixes for 5.8

[Andreas Gruenbacher]

Hi Linus,

could you please pull the following additional gfs2 fixes?

These don't conflict with the IOCB_NOIO / readahead deadlock fixes.

Thanks a lot,
Andreas

The following changes since commit 9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68:

  Linux 5.8-rc3 (2020-06-28 15:00:24 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git tags/gfs2-v5.8-rc3.fixes

for you to fetch changes up to c860f8ffbea8924de05a281b937128773d30a77c:

  gfs2: The freeze glock should never be frozen (2020-07-03 12:05:35 +0200)

----------------------------------------------------------------
Various gfs2 fixes

----------------------------------------------------------------
Andreas Gruenbacher (2):
      gfs2: Don't return NULL from gfs2_inode_lookup
      gfs2: Don't sleep during glock hash walk

Bob Peterson (6):
      gfs2: fix trans slab error when withdraw occurs inside log_flush
      gfs2: eliminate GIF_ORDERED in favor of list_empty
      gfs2: freeze should work on read-only mounts
      gfs2: read-only mounts should grab the sd_freeze_gl glock
      gfs2: When freezing gfs2, use GL_EXACT and not GL_NOCACHE
      gfs2: The freeze glock should never be frozen

 fs/gfs2/glock.c      |  5 ++++-
 fs/gfs2/glops.c      | 10 ++++++----
 fs/gfs2/incore.h     |  1 -
 fs/gfs2/inode.c      |  3 ++-
 fs/gfs2/log.c        | 25 +++++++++++++++++++------
 fs/gfs2/log.h        |  4 ++--
 fs/gfs2/main.c       |  1 +
 fs/gfs2/ops_fstype.c | 13 ++++++++++++-
 fs/gfs2/recovery.c   |  4 ++--
 fs/gfs2/super.c      | 20 ++++++++++----------
 10 files changed, 58 insertions(+), 28 deletions(-)