Hi Sheetal, Try enabling mmc trace events to check what is the cmd you are getting to confirm erase going through. You shoud get cmd 35/36/38 if erase is going through in case of emmc. -Ritesh On Tue, Feb 10, 2015 at 10:00 PM, Sheetal <sheetal.tigadoli@xxxxxxxxx> wrote: > Hello, > > I'm trying to send ERASE Command to the emmc by deleting a file on one of > the emmc partitions and then doing a sync, But I'm noticing that even this > will not issue the erase command to emmc. > > I did trace the code on, from where this erase command is issued, but my > trace ended at an ioctl call "do_vfs_ioctl()" more specific > "SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, > arg)" system call definition does a call to do_vfs_ioctl. > > Please help me understand how to initiate this from userspace. > -- > 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 -- 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