I need a API in linux kernel about the disk's total count of sector,not the sector size. thank you!
2013/11/11 韩磊 <bonben1...@gmail.com>: > Thank you! I need disk's total count of sector,not the sector size. > > 2013/11/11 Mihai Donțu <mihai.do...@gmail.com>: >> On Mon, 11 Nov 2013 20:31:14 +0800 韩磊 wrote: >>> Can you tell me the API about the count of sector in linux kernel? >>> >>> which .h file and function? >>> >> >> Looking at fdisk (util-linux) there are several ioctls: >> * HDIO_GETGEO (linux/hdreg.h) >> * BLKGETSIZE64 (linux/fs.h), sector size is assumed 512 >> >> The HDIO interface *seems* to be legacy: >> http://www.mjmwired.net/kernel/Documentation/ioctl/hdio.txt >> >> Also see: >> https://git.kernel.org/cgit/utils/util-linux/util-linux.git/tree/fdisks/fdisk.c >> >> I hope this helps a bit. >> >> -- >> Mihai Donțu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
