Merge branch 'for-4.17/dax' into libnvdimm-for-next

Documentation/admin-guide/kernel-parameters.txt

drivers/dax/Kconfig

drivers/dax/super.c

drivers/md/Kconfig

drivers/md/dm-linear.c

drivers/md/dm-log-writes.c

drivers/md/dm-stripe.c

drivers/md/dm.c

drivers/nvdimm/Kconfig

drivers/s390/block/Kconfig

fs/block_dev.c

fs/dax.c

fs/ext2/ext2.h

fs/ext2/inode.c

fs/ext2/namei.c

fs/ext4/inode.c

fs/libfs.c

fs/xfs/xfs_aops.c

fs/xfs/xfs_aops.h

fs/xfs/xfs_iops.c