On Wed, Jun 29, 2011 at 02:51:17PM +0200, Johannes Stezenbach wrote: > On Wed, Jun 29, 2011 at 02:30:42PM +0200, Arnd Bergmann wrote: > > On Wednesday 29 June 2011, Johannes Stezenbach wrote: > > > Do I get it right that just adding two IGNORE_IOCTL() to > > > the ioctl_pointer array in linux/fs/compat_ioctl.c is sufficient, > > > like in commit 3f001711? > > > > Yes. Hm, it only works for CDROM_DRIVE_STATUS, but I still get the warning for FDGETPRM (801c0204). Could you give me a hint how to address this? (tested with both 2.6.39.2 and 3.0-rc5-63-g0d72c6f) diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 61abb63..ae24aba 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -68,6 +68,8 @@ #ifdef CONFIG_BLOCK #include <linux/loop.h> +#include <linux/cdrom.h> +#include <linux/fd.h> #include <scsi/scsi.h> #include <scsi/scsi_ioctl.h> #include <scsi/sg.h> @@ -944,6 +946,9 @@ COMPATIBLE_IOCTL(FIOQSIZE) IGNORE_IOCTL(LOOP_CLR_FD) /* md calls this on random blockdevs */ IGNORE_IOCTL(RAID_VERSION) +/* qemu/qemu-img might calls these two on plain files for probing */ +IGNORE_IOCTL(CDROM_DRIVE_STATUS) +IGNORE_IOCTL(FDGETPRM) /* SG stuff */ COMPATIBLE_IOCTL(SG_SET_TIMEOUT) COMPATIBLE_IOCTL(SG_GET_TIMEOUT) Thanks, Johannes -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html