Re: [PATCH 2/8] block: fix SG_IO vector request data lengthhandling

[Jens Axboe]

On Wed, Apr 01 2009, FUJITA Tomonori wrote:
> On Wed,  1 Apr 2009 20:04:38 +0900
> Tejun Heo <tj@xxxxxxxxxx> wrote:
> 
> > Impact: fix SG_IO behavior such that it matches the documentation
> > 
> > SG_IO howto says that if ->dxfer_len and sum of iovec disagress, the
> > shorter one wins.  However, the current implementation returns -EINVAL
> > for such cases.  Trim iovc if it's longer than ->dxfer_len.
> 
> Is that description about sg's SG_IO?

The more important question is what sg.c actually does, that's more
important than the documentation.

-- 
Jens Axboe

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