Il 20/07/2012 18:30, Paolo Bonzini ha scritto:
> These commands cannot be issued right now without giving CAP_SYS_RAWIO to
> the process who wishes to send them.  These commands can be useful also to
> non-privileged programs who have access to the block devices.  For example
> a virtual machine monitor needs them to forward trim/discard to host disks.
> 
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
>  block/scsi_ioctl.c |    3 ++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
> index 260fa80..dd71f18 100644
> --- a/block/scsi_ioctl.c
> +++ b/block/scsi_ioctl.c
> @@ -168,13 +168,16 @@ static void blk_set_cmd_filter_defaults(struct 
> blk_cmd_filter *filter)
>       /* Basic writing commands */
>       __set_bit(WRITE_6, filter->write_ok);
>       __set_bit(WRITE_10, filter->write_ok);
> +     __set_bit(WRITE_SAME, filter->write_ok);
>       __set_bit(WRITE_VERIFY, filter->write_ok);
>       __set_bit(WRITE_12, filter->write_ok);
>       __set_bit(WRITE_VERIFY_12, filter->write_ok);
>       __set_bit(WRITE_16, filter->write_ok);
> +     __set_bit(WRITE_SAME_16, filter->write_ok);
>       __set_bit(WRITE_LONG, filter->write_ok);
>       __set_bit(WRITE_LONG_2, filter->write_ok);
>       __set_bit(ERASE, filter->write_ok);
> +     __set_bit(UNMAP, filter->write_ok);
>       __set_bit(GPCMD_MODE_SELECT_10, filter->write_ok);
>       __set_bit(MODE_SELECT, filter->write_ok);
>       __set_bit(LOG_SELECT, filter->write_ok);
> 
Jens,

can this go in 3.6 as well?

Paolo
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