On Mon, Jul 02, 2018 at 04:03:46PM -0700, Evan Green wrote: > This change adds LOOP_SET_BLOCK_SIZE as one of the supported ioctls > in lo_compat_ioctl. It only takes an unsigned long argument, and > in practice a 32-bit value works fine. Reviewed-by: Omar Sandoval <osandov@xxxxxx> > Signed-off-by: Evan Green <evgreen@xxxxxxxxxxxx> > --- > drivers/block/loop.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/block/loop.c b/drivers/block/loop.c > index d6b6f434fd4b..4cb1d1be3cfb 100644 > --- a/drivers/block/loop.c > +++ b/drivers/block/loop.c > @@ -1613,6 +1613,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode, > arg = (unsigned long) compat_ptr(arg); > case LOOP_SET_FD: > case LOOP_CHANGE_FD: > + case LOOP_SET_BLOCK_SIZE: > err = lo_ioctl(bdev, mode, cmd, arg); > break; > default: > -- > 2.16.4 >
