Pull device mapper fixes from Mike Snitzer:
- dm thinp fix for crash that will occur when metadata device failure
races with discard passdown to the underlying data device.
- dm raid fix to not access the superblock's >= 1.9.0 'sectors' member
unconditionally.
* tag 'for-4.12/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm thin: do not queue freed thin mapping for next stage processing
dm raid: fix oops on upgrading to extended superblock format