On Sat, Jan 30, 2010 at 11:02:10PM +0100, Arnd Bergmann wrote:
> md ioctls are now handled by the md driver itself, but mdadm
> may call RAID_VERSION on other devices as well. Mark the command
> as IGNORE_IOCTL so this fails silently rather than printing
> an annoying message.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
The patch does not seem to be there in -rc7.
Since this is fixes a regression, should this go into 2.6.33?
Thanks!
> ---
>
> On Saturday 30 January 2010, Michael S. Tsirkin wrote:
> > Under 2.6.33-rcX (at least rc5 and rc6, didn't check earlier versions),
> > I started seeing these messages in dmesg (I do not see these messages on 2.6.32):
> >
> > [ 16.528951] ioctl32(mdadm:2243): Unknown cmd fd(3) cmd(800c0910){t:09;sz:12} arg(ffb7f9c4) on /dev/sda9
>
> Does this help?
>
> --- a/fs/compat_ioctl.c
> +++ b/fs/compat_ioctl.c
> @@ -1038,6 +1038,8 @@ COMPATIBLE_IOCTL(FIOQSIZE)
> #ifdef CONFIG_BLOCK
> /* loop */
> IGNORE_IOCTL(LOOP_CLR_FD)
> +/* md calls this on random blockdevs */
> +IGNORE_IOCTL(RAID_VERSION)
> /* SG stuff */
> COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
> COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
>
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