[GIT PULL] fs preempt_rt fix

* [GIT PULL] fs preempt_rt fix
@ 2022-03-23 11:02 Christian Brauner
  2022-03-24 19:44 ` pr-tracker-bot
  0 siblings, 1 reply; 2+ messages in thread
From: Christian Brauner @ 2022-03-23 11:02 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: linux-fsdevel, linux-kernel

Hey Linus,

/* Summary */
This contains Sebastian's fix to make changing mount attributes/getting write
access compatible with CONFIG_PREEMPT_RT. The change only applies when users
explicitly opt-in to real-time via CONFIG_PREEMPT_RT otherwise things are
exactly as before. We've waited quite a long time with this to make sure folks
could take a good look.

/* Testing */
All patches are based on v5.16-rc2 and have been sitting in linux-next. No
build failures or warnings were observed and fstests and selftests have seen no
regressions caused by this patchset.

/* 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 136057256686de39cc3a07c2e39ef6bc43003ff6:

  Linux 5.16-rc2 (2021-11-21 13:47:39 -0800)

are available in the Git repository at:

  git@gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux tags/fs.rt.v5.18

for you to fetch changes up to 0f8821da48458982cf379eb4432f23958f2e3a6c:

  fs/namespace: Boost the mount_lock.lock owner instead of spinning on PREEMPT_RT. (2021-11-26 12:09:09 +0100)

Please consider pulling these changes from the signed fs.rt.v5.18 tag.

Thanks!
Christian

----------------------------------------------------------------
fs.rt.v5.18

----------------------------------------------------------------
Sebastian Andrzej Siewior (1):
      fs/namespace: Boost the mount_lock.lock owner instead of spinning on PREEMPT_RT.

 fs/namespace.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

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