[PATCH v3 07/10] block: introduce BIP_CHECK_GUARD/REFTAG/APPTAG bip_flags

[Christoph Hellwig]

On Wed, Aug 28, 2024 at 07:12:22PM +0530, Kanchan Joshi wrote:
> On 8/24/2024 2:05 PM, Christoph Hellwig wrote:
> > How do we communicate what flags can be combined to the upper layer
> > and userspace given the SCSI limitations here?
> 
> Will adding a new read-only sysfs attribute (under the group [*]) that 
> publishes all valid combinations be fine?
> 

That's not a good application interface.  Finding the sysfs file is
already a pain for direct users of the block device, and almost
impossible when going through a file system.