Re: [dm-devel] [PATCH v5 01/11] block: make generic_make_request handle arbitrarily sized bios

From: Kent Overstreet
Date: Sat Aug 08 2015 - 05:02:29 EST

On Sat, Aug 08, 2015 at 10:52:24AM +0200, Hannes Reinecke wrote:
> Wouldn't it be easier to move both max_write_same_sectors and
> max_discard sectors to 64 bit (ie to type sector_t) and be done with the
> overflow?
> Seems to me this is far too much coding around self-imposed restrictions...

It's bio->bi_iter.bi_size that would have to be increased to 64 bits. Which I
suppose wouldn't actually increase the size of struct bio (when sector_t is 64
bits), since struct bvec_iter has padding right now...
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