[dm-devel] misc struct block_device related driver cleanups

[Christoph Hellwig]

Hi Jens, Minchan and Mike,

this series cleans up a few interactions of driver with struct
block_device, in preparation for big changes to struct block_device
that I plan to send soon.

Diffstat:
 block/loop.c              |    3 -
 block/mtip32xx/mtip32xx.c |   15 --------
 block/mtip32xx/mtip32xx.h |    2 -
 block/zram/zram_drv.c     |   83 ++++++++--------------------------------------
 block/zram/zram_drv.h     |    1 
 md/dm-core.h              |    2 -
 md/dm.c                   |   31 ++++++-----------
 7 files changed, 27 insertions(+), 110 deletions(-)