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/
