Re: [PATCH 19/19] block: switch gendisk lookup to a simple xarray

[Greg Kroah-Hartman]

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>