Re: [PATCH 09/21] block: Add checks to merging of atomic writes

[John Garry]

On 02/10/2023 23:50, Nathan Chancellor wrote:
> > > > ld.lld: error: undefined symbol: __moddi3
> >     >>> referenced by blk-merge.c
> >     >>>               block/blk-merge.o:(ll_back_merge_fn) in archive vmlinux.a
> >     >>> referenced by blk-merge.c
> >     >>>               block/blk-merge.o:(ll_back_merge_fn) in archive vmlinux.a
> >     >>> referenced by blk-merge.c
> >     >>>               block/blk-merge.o:(bio_attempt_front_merge) in archive vmlinux.a
> >     >>> referenced 3 more times
> This does not appear to be clang specific, I can reproduce it with GCC
> 12.3.0 and the same configuration target.

Yeah, I just need to stop using the modulo operator for 64b values, 
which I had already been advised to :|

Thanks,
John