[dm-devel] [PATCH 05/18] block: allow specifying size for extra command data

[Bart Van Assche]

On Fri, 2017-01-27 at 17:12 +0100, Christoph Hellwig wrote:
> On Wed, Jan 25, 2017 at 10:15:55PM -0500, Martin K. Petersen wrote:
> > +static void *alloc_request_size(gfp_t gfp_mask, void *data)
> > 
> > I like alloc_request_simple() but alloc_request_size() seems a bit
> > contrived. _reserve? _extra? _special? Don't have any good suggestions,
> > I'm afraid.
> 
> Not that I'm a fan of _size, but I like the other suggestions even less.

Hello Christoph and Martin,

How about using the function names alloc_full_request() / free_full_request()
together with a comment that mentions that cmd_size is set by the LLD?

Bart.