[RFC PATCH 2/9] dm: add methods to set and get reserved space

[Carlos Maiolino]

> +static int dm_blk_reserve_space(struct block_device *bdev, sector_t nr_sects)
> +{
> +
> +static int dm_blk_get_reserved_space(struct block_device *bdev,
> +				     sector_t *nr_sects)
> +{

These two functions are almost identical, what about refactoring it to a single
function like dm_blk_reserved_space(), and maybe adding a flags argument, for
choosing between set/get reserved space? Or maybe just add the common parts of
these two functions inside a helper function or a macro?!

-- 
Carlos