Pull zoned block device update from Jens Axboe:
 "Enhancements and improvements to the zoned device support"

* tag 'for-5.5/zoned-20191122' of git://git.kernel.dk/linux-block:
  scsi: sd_zbc: Remove set but not used variable 'buflen'
  block: rework zone reporting
  scsi: sd_zbc: Cleanup sd_zbc_alloc_report_buffer()
  null_blk: Add zone_nr_conv to features
  null_blk: clean up report zones
  null_blk: clean up the block device operations
  block: Remove partition support for zoned block devices
  block: Simplify report zones execution
  block: cleanup the !zoned case in blk_revalidate_disk_zones
  block: Enhance blk_revalidate_disk_zones()