Re: [PATCH 0/5] sg_ring for scsi

[Jens Axboe <jens.axboe@oracle.com>]

On Wed, Dec 19 2007, David Miller wrote:
> From: Rusty Russell <rusty@rustcorp.com.au>
> Date: Thu, 20 Dec 2007 18:53:48 +1100
> 
> > Manipulating the magic chains is horrible; it looks simple to the
> > places which simply want to iterate through it, but it's awful for
> > code which wants to create them.
> 
> I'm not saying complexity is inherent in this stuff, but
> assuming that it is the complexity should live as far away
> from the minions (the iterators in this case).  Therefore,
> the creators is the right spot for the hard stuff.

Agree, and the missing bit is just moving the creators out of the driver
parts and into a core helper. See the previous post on the 'sg' branch
for 2.6.25.

-- 
Jens Axboe

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