Re: + scatterlist-new-helper-functions-update.patch added to -mm tree

Re: + scatterlist-new-helper-functions-update.patch added to -mm tree

[FUJITA Tomonori]

On Wed, 19 Jan 2011 15:40:58 -0600
James Bottomley <James.Bottomley@HansenPartnership.com> wrote:

> On Wed, 2011-01-19 at 13:06 -0800, Andrew Morton wrote:
> > On Wed, 19 Jan 2011 14:54:41 -0600
> > James Bottomley <James.Bottomley@HansenPartnership.com> wrote:
> > 
> > > On Wed, 2011-01-19 at 11:37 -0800, akpm@linux-foundation.org wrote:
> > > > The patch titled
> > > >      scatterlist-new-helper-functions-update
> > > > has been added to the -mm tree.  Its filename is
> > > >      scatterlist-new-helper-functions-update.patch

(snip)

> > From: Maxim Levitsky <maximlevitsky@gmail.com>
> > 
> > While developing memstick driver for legacy memsticks I found the need in
> > few helpers that I think are ok to have in common sg library

Where is the driver available? I'm interested in how you try to use
these functions. For example, why do you want to calucalate the total
lenght and the number of entries of a sg instead of storing the
information that the block layer (or other subsystems that your driver
uses) gives?