linux-kernel - [GIT PULL] Ceph fixes for 5.14-rc6

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Date:   Thu, 12 Aug 2021 20:44:09 +0200
From:   Ilya Dryomov <idryomov@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     ceph-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] Ceph fixes for 5.14-rc6

Hi Linus,

The following changes since commit c500bee1c5b2f1d59b1081ac879d73268ab0ff17:

  Linux 5.14-rc4 (2021-08-01 17:04:17 -0700)

are available in the Git repository at:

  https://github.com/ceph/ceph-client.git tags/ceph-for-5.14-rc6

for you to fetch changes up to 8434ffe71c874b9c4e184b88d25de98c2bf5fe3f:

  ceph: take snap_empty_lock atomically with snaprealm refcount change (2021-08-04 19:20:29 +0200)

----------------------------------------------------------------
A patch to avoid a soft lockup in ceph_check_delayed_caps() from Luis
and a reference handling fix from Jeff that should address some memory
corruption reports in the snaprealm area.  Both marked for stable.

----------------------------------------------------------------
Jeff Layton (1):
      ceph: take snap_empty_lock atomically with snaprealm refcount change

Luis Henriques (1):
      ceph: reduce contention in ceph_check_delayed_caps()

 fs/ceph/caps.c       | 17 ++++++++++++++++-
 fs/ceph/mds_client.c | 25 ++++++++++++++++---------
 fs/ceph/snap.c       | 34 +++++++++++++++++-----------------
 fs/ceph/super.h      |  2 +-
 4 files changed, 50 insertions(+), 28 deletions(-)