From: Mikulas Patocka <mpatocka@redhat.com>
Date: Mon, 14 Jul 2008 10:03:29 -0400 (EDT)

quoted text
> On Mon, 14 Jul 2008, David Miller wrote:
> 
> > From: Mikulas Patocka <mpatocka@redhat.com>
> > Date: Mon, 14 Jul 2008 08:16:13 -0400 (EDT)
> >
> >> As you mentioned ESP driver, it declares .sg_tablesize = SG_ALL, so
> >> BIO_VMERGE_BOUNDARY has no effect on the operation of this driver. Any
> >> other driver where BIO_VMERGE_BOUNDARY does matter?
> >
> > When BIO_VMERGE_BOUNDARY is turned on, requests that would not
> > otherwise fit into the device's limits, can.
> 
> Why would someone want to overshoot SG_ALL? ... and, shouldn't the 
> constant be increased then --- instead of making buggy BIO_VMERGE_BOUNDARY 
> expectations?

I'm talking about other devices, not about the ESP, here.

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