On Fri, Sep 18 2009 at 3:28pm -0400, Martin K. Petersen <martin.petersen@xxxxxxxxxx> wrote: > >>>>> "Jun'ichi" == Jun'ichi Nomura <j-nomura@xxxxxxxxxxxxx> writes: > > + if (q->limits.max_sectors == 0 || q->limits.max_hw_sectors == 0) > + blk_queue_max_sectors(q, SAFE_MAX_SECTORS); > > I'm really not keen on perpetuating SAFE_MAX_SECTORS for something that > was written in this millennium. > > I'd much rather we just do this, then: > > block: Set max_sectors correctly for stacking devices > > The topology changes unintentionally caused SAFE_MAX_SECTORS to be set > for stacking devices. Set the default limit to BLK_DEF_MAX_SECTORS and > provide SAFE_MAX_SECTORS in blk_queue_make_request() for legacy hw > drivers that depend on the old behavior. > > Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Nice. Avoids the need for a safe queue_limits copy and associated naunce. Acked-by: Mike Snitzer <snitzer@xxxxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
