Re: [PATCH v4 09/10] loop: Clean up LOOP_SET_STATUS lo_flags handling.

[Christoph Hellwig]

On Wed, Apr 29, 2020 at 04:03:40PM +0200, Martijn Coenen wrote:
> LOOP_SET_STATUS(64) will actually allow some lo_flags to be modified; in
> particular, LO_FLAGS_AUTOCLEAR can be set and cleared, whereas
> LO_FLAGS_PARTSCAN can be set to request a partition scan. Make this
> explicit by updating the UAPI to include the flags that can be
> set/cleared using this ioctl.
> 
> The implementation can then blindly take over the passed in flags,
> and use the previous flags for those flags that can't be set / cleared
> using LOOP_SET_STATUS.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>