[lkml]   [2002]   [Apr]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Bio pool & scsi scatter gather pool usage
Alan Cox wrote:
> > Perhaps, but calls are expensive. Repeated calls down stacked block
> > devices will add up. In only the most unusually cases will there
> You don't need to repeatedly query. At bind time you can compute the
> limit for any device heirarchy and be done with it.

S'pose so. The ideal request size is variable, based
on the alignment. So for exampe if the start block is
halfway into a stripe, the ideal BIO size is half a stripe.

But that's a pretty simple table to generate once-off,
as you say.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:25    [W:0.057 / U:1.464 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site