> sd.c ensures that the logical block size (sector size in sd.c) is a > power of 2 between 512 and 4096. So you can use: > > if (p.start & (bdev_physical_block_size(bdev) - 1)) Sorry, that was a little too short as a complete proof: sd.c ensures that the logical block size (sector size in sd.c) is a power of 2 between 512 and 4096, and the physical block size is a power of 2 number of logical blocks. So the physical block size is also always a power of 2. > > Or use div_u64_rem to avoid an error on 32 bits builds. > > Best regards. > -- Damien Le Moal, Ph.D. Sr. Manager, System Software Research Group, Western Digital Corporation Damien.LeMoal@xxxxxxx (+81) 0466-98-3593 (ext. 513593) 1 kirihara-cho, Fujisawa, Kanagawa, 252-0888 Japan www.wdc.com, www.hgst.com -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
