On Thursday 20 October 2011 10:39:00 Shashidhar Hiremath wrote: > I am planning to use the existing IOCTL interface for SD/MMC present > in the kernel. > Since, the IOCTL interface expects a read/write flag , and the MMC > IOCTL is actually an interface to block layer I feel without modifying > the block layer for the support of non-read write commands ,I may not > be able to test the non-read/write commands through the IOCTL > interface . > Is there a way of doing this without modifying block layer ? Hi Shashidhar, I think there is actually no problem here at all. The block layer simply passes the ioctl command number and argument to the driver, which can do anything with it. What functionality are you actually looking for? Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html