[PATCH] nvme: Increase block size variable size to 32-bit

[David Laight]

From: Christoph Hellwig
> Sent: 31 May 2023 14:03
> 
> > +	u32 bs = 1 << ns->lba_shift;
> 
> Make that 1 a 1U so that we're not going to run into sign extension
> issues when using up all bits in the u32 :)

Not 'sign extension' but obscure integer shift/conversion issues
that really only affect 1's compliment and sign-overpunch cpu.
I'm not even sure gcc/clang support any non 2's compliment systems.

> Otherwise looks good:

Probably improves the generated code as well.

	David

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