On 4/14/22 21:52, Christoph Hellwig wrote: > Add a helper to query the number of sectors support per each discard bio > based on the block device and use this helper to stop various places from > poking into the request_queue to see if discard is supported and if so how > much. This mirrors what is done e.g. for write zeroes as well. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > Acked-by: Christoph Böhmwalder <christoph.boehmwalder@xxxxxxxxxx> [drbd] > Acked-by: Coly Li <colyli@xxxxxxx> [bcache] > Acked-by: David Sterba <dsterba@xxxxxxxx> [btrfs] > --- Looks good. Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> -ck
