device mapper fixes for 5.7-rc4

Hi Linus,

The following changes since commit 8267d8fb4819afa76b2a54dca48efdda6f0b1910:

dm integrity: fix logic bug in integrity tag testing (2020-04-03 13:07:41 -0400)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git tags/for-5.7/dm-fixes-2

for you to fetch changes up to 5686dee34dbfe0238c0274e0454fa0174ac0a57a:

dm multipath: use updated MPATHF_QUEUE_IO on mapping for bio-based mpath (2020-04-28 19:51:46 -0400)

Please pull, thanks!
Mike

----------------------------------------------------------------
- Document DM integrity allow_discard feature that was added during 5.7 merge window.

- Fix potential for DM writecache data corruption during DM table reloads.

- Fix DM verity's FEC support's hash block number calculation in verity_fec_decode().

- Fix bio-based DM multipath crash due to use of stale copy of MPATHF_QUEUE_IO flag state in __map_bio().

----------------------------------------------------------------
Gabriel Krisman Bertazi (1):
dm multipath: use updated MPATHF_QUEUE_IO on mapping for bio-based mpath

Mikulas Patocka (1):
dm writecache: fix data corruption when reloading the target

Milan Broz (1):
dm integrity: document allow_discard option

Sunwook Eom (1):
dm verity fec: fix hash block number in verity_fec_decode

 .../admin-guide/device-mapper/dm-integrity.rst     | 15 ++++---
 drivers/md/dm-mpath.c                              |  6 ++-
 drivers/md/dm-verity-fec.c                         |  2 +-
 drivers/md/dm-writecache.c                         | 52 +++++++++++++++-------
 4 files changed, 51 insertions(+), 24 deletions(-)