Re: [PATCH] blk-iocost: fix seq_printf compile type mismatch error

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On Tue, Jul 18, 2023 at 10:37:23AM -0500, Carlos Bilbao wrote:
> On 7/17/23 13:49, Tejun Heo wrote:
> > On Mon, Jul 17, 2023 at 09:18:52AM -0500, Carlos Bilbao wrote:
> > > From: amd <amd@localhost.localdomain>
> > > 
> > > Fix two type mismatch errors encountered while compiling blk-iocost.c with
> > > GCC version 13.1.1 that involved constant operator WEIGHT_ONE. Cast the
> > > result of the division operation to (unsigned int) to match the expected
> > > format specifier %u in two seq_printf invocations.
> > 
> > Can you detail the warnings? Was that on 32bit compiles?
> 
> The concrete error was: "format ‘%u’ expects argument of type ‘unsigned
> int’, but argument 3 has type ‘long unsigned int’". If I run:
> 
> $ echo | cpp -dM | grep __LP64__
> #define __LP64__ 1
> 
> which makes me believe it is not 32 bits.

So, we broke up the enum definitions so that WEIGHT_ONE doesn't end up being
a ulong. Which kernel are you building? Can you plesae try the current
linus#master?

Thanks.

-- 
tejun



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