Re: [PATCH v2] loop: Add LOOP_SET_DIRECT_IO to compat ioctl

[Jens Axboe]

On 8/6/19 5:48 PM, Alessio Balsini wrote:
> Enabling Direct I/O with loop devices helps reducing memory usage by
> avoiding double caching.  32 bit applications running on 64 bits systems
> are currently not able to request direct I/O because is missing from the
> lo_compat_ioctl.
> 
> This patch fixes the compatibility issue mentioned above by exporting
> LOOP_SET_DIRECT_IO as additional lo_compat_ioctl() entry.
> The input argument for this ioctl is a single long converted to a 1-bit
> boolean, so compatibility is preserved.

Applied, thanks.

-- 
Jens Axboe