[GIT PULL] Ceph fixes for 5.7-rc2

[Ilya Dryomov]

Hi Linus,

The following changes since commit 8f3d9f354286745c751374f5f1fcafee6b3f3136:

  Linux 5.7-rc1 (2020-04-12 12:35:55 -0700)

are available in the Git repository at:

  https://github.com/ceph/ceph-client.git tags/ceph-for-5.7-rc2

for you to fetch changes up to 2a575f138d003fff0f4930b5cfae4a1c46343b8f:

  ceph: fix potential bad pointer deref in async dirops cb's (2020-04-13 19:33:47 +0200)

----------------------------------------------------------------
A set of patches for a deadlock on "rbd map" error path and a fix
for invalid pointer dereference and uninitialized variable use on
asynchronous create and unlink error paths.

----------------------------------------------------------------
Ilya Dryomov (4):
      rbd: avoid a deadlock on header_rwsem when flushing notifies
      rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
      rbd: don't test rbd_dev->opts in rbd_dev_image_release()
      rbd: don't mess with a page vector in rbd_notify_op_lock()

Jeff Layton (1):
      ceph: fix potential bad pointer deref in async dirops cb's

 drivers/block/rbd.c  | 33 +++++++++++++++++++--------------
 fs/ceph/dir.c        |  4 ++--
 fs/ceph/file.c       |  4 ++--
 fs/ceph/mds_client.h |  2 +-
 4 files changed, 24 insertions(+), 19 deletions(-)