On 6/11/24 2:19 PM, Christoph Hellwig wrote: > Move the io_stat flag into the queue_limits feature field so that it > can be set atomically and all I/O is frozen when changing the flag. Why a feature ? It seems more appropriate for io_stat to be a flag rather than a feature as that is a block layer thing rather than a device characteristic, no ? > > Simplify md and dm to set the flag unconditionally instead of avoiding > setting a simple flag for cases where it already is set by other means, > which is a bit pointless. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> -- Damien Le Moal Western Digital Research