Re: buffer_head.b_bsize type

[William Lee Irwin III <wli@holomorphy.com>]

On Thu, May 29, 2003 at 08:29:40PM +1000, Stewart Smith wrote:
> The buffer_head structure (include/linux/buffer_head.h) uses a u32 type 
> while everywhere else (e.g. bread) the size parameter is of type int.
> Currently on all architectures u32 is defined as unsigned int. We 
> should probably not be doing unsigned and signed swaps. And you should 
> never really have a negative size of a buffer.
> So, there are two solutions: either change the buffer_head struct to be 
> int so it matches everywhere else, or change everywhere else.
> The attached patch does the change in one place. Although perhaps 
> changing everywhere else would be better. Thoughts? I'm happy to make 
> up the patch if needed.
> Applies cleanly to 2.5.69 and 2.5.70 and has been tested on i386 
> without causing any further problems (that I can see at least).

Could we go the other way and make all users of b_size use unsigned?


Thanks.


-- wli