On Sun, Aug 30, 2020 at 08:24:45AM +0200, Christoph Hellwig wrote: > Now that bdev_map is only used for finding gendisks, we can use > a simple xarray instead of the regions tracking structure for it. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > block/genhd.c | 208 ++++++++---------------------------------- > include/linux/genhd.h | 7 -- > 2 files changed, 37 insertions(+), 178 deletions(-) Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>