git: sbp(4): Support MAXPHYS up to 512KB

[Francois Tigeot <ftigeot@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 8a32dff3bbb5f1044369b831e189ce0b151b7944
Author: François Tigeot <ftigeot@wolfpond.org>
Date:   Sun Apr 28 15:53:56 2013 +0200

    sbp(4): Support MAXPHYS up to 512KB
    
    - We need at least two OCBs with indirect pointers allocated in a 4KB page.
    - SBP_MAXPHYS can increase to 1MB once we separate management OCB/ORB
      which usually does not need indirect pointers.
    - We have to increase SBP_DMA_SIZE for MAXPHYS larger than 1MB.
    
    Obtained-from: FreeBSD

Summary of changes:
 sys/dev/disk/sbp/sbp.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/8a32dff3bbb5f1044369b831e189ce0b151b7944


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