Jens, On 4/25/17 13:32, Jens Axboe wrote: >> I just realized that this macro is defined in linux/device-mapper.h, >> which does not seem like to best place to have it. Why not blkdev.h ? >> Any particular reason ? This leads to some strange include dependencies, >> like many nfs/blocklayout/ files including device-mapper.h just to get >> that definition. > > I'm fine with moving it and using it everywhere. Right now we don't in > the block core at all, 9 is always hard coded. While that change would > be fine, it should be done independently of this patch, which is a real > bug fix. Thank you for the clarification. I will try to send something later. Best regards. -- Damien Le Moal, Western Digital