On Mon, 2018-02-12 at 11:05 -0800, Bart Van Assche wrote: > diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h > index ac4740cf74be..cf17626604c2 100644 > --- a/include/linux/blkdev.h > +++ b/include/linux/blkdev.h > @@ -1026,14 +1026,25 @@ static inline int blk_rq_cur_bytes(const > struct request *rq) > > extern unsigned int blk_rq_err_bytes(const struct request *rq); > > +/* > + * Variables of type sector_t represent an offset or size that is a > multiple of > + * 2**9 bytes. Hence these two constants. > + */ > +#ifndef SECTOR_SHIFT > +enum { SECTOR_SHIFT = 9 }; > +#endif > +#ifndef SECTOR_SIZE > +enum { SECTOR_SIZE = 512 }; > +#endif Can you please make a #define out of these enums? I know gdb can cope better with enums than defines but IIRC adding -ggdb3 to the CFLAGS solves this issue. Apart from that: Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> -- Johannes Thumshirn Storage jthu mshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850