On 6/11/24 2:19 PM, Christoph Hellwig wrote: > Move the poll flag into the queue_limits feature field so that it > can be set atomically and all I/O is frozen when changing the flag. > > Stacking drivers are simplified in that they now can simply set the > flag, and blk_stack_limits will clear it when the features is not > supported by any of the underlying devices. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Kind of the same remark as for io_stat about this not really being a device feature. But I guess seeing "features" as a queue feature rather than just a device feature makes it OK to have poll (and io_stat) as a feature rather than a flag. So: Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx> -- Damien Le Moal Western Digital Research
