From: Andrew Morton <akpm@linux-foundation.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: jens.axboe@oracle.com (Jens Axboe), linux-kernel@vger.kernel.org
Subject: Re: [PATCH 7/10] i386 sg: add support for chaining scatterlists
Date: Wed, 9 May 2007 03:19:15 -0700 [thread overview]
Message-ID: <20070509031915.6e934f35.akpm@linux-foundation.org> (raw)
In-Reply-To: <E1Hlj17-0001CJ-00@gondolin.me.apana.org.au>
On Wed, 09 May 2007 20:03:29 +1000 Herbert Xu <herbert@gondor.apana.org.au> wrote:
> Jens Axboe <jens.axboe@oracle.com> wrote:
> >
> > diff --git a/include/asm-i386/scatterlist.h b/include/asm-i386/scatterlist.h
> > index d7e45a8..794b68c 100644
> > --- a/include/asm-i386/scatterlist.h
> > +++ b/include/asm-i386/scatterlist.h
> > @@ -8,8 +8,11 @@ struct scatterlist {
> > unsigned int offset;
> > dma_addr_t dma_address;
> > unsigned int length;
> > + struct scatterlist *next;
> > };
>
> BTW, the crypto layer's scatterlist already has a chaining mechanism
> using the existing structure. The only difference is that the chained
> pointer is stored inside the 'struct page *' rather than a new pointer.
<greps-and-fails>
Which field in the page is it using?
next prev parent reply other threads:[~2007-05-09 10:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-09 7:59 [PATCH 0/10] Chaining sg lists for big IO commands v2 Jens Axboe
2007-05-09 7:59 ` [PATCH 1/10] crypto: don't pollute the global namespace with sg_next() Jens Axboe
2007-05-09 7:59 ` [PATCH 2/10] Add sg helpers for iterating over a scatterlist table Jens Axboe
2007-05-09 7:59 ` [PATCH 3/10] libata: convert to using sg helpers Jens Axboe
2007-05-09 7:59 ` [PATCH 4/10] block: " Jens Axboe
2007-05-09 7:59 ` [PATCH 5/10] scsi: " Jens Axboe
2007-05-09 7:59 ` [PATCH 6/10] i386 dma_map_sg: " Jens Axboe
2007-05-09 7:59 ` [PATCH 7/10] i386 sg: add support for chaining scatterlists Jens Axboe
2007-05-09 10:03 ` Herbert Xu
2007-05-09 10:19 ` Andrew Morton [this message]
2007-05-09 10:21 ` Herbert Xu
2007-05-09 10:30 ` Jens Axboe
2007-05-09 10:28 ` Jens Axboe
2007-05-09 7:59 ` [PATCH 8/10] scsi: simplify scsi_free_sgtable() Jens Axboe
2007-05-09 7:59 ` [PATCH 9/10] SCSI: support for allocating large scatterlists Jens Axboe
2007-05-09 7:59 ` [PATCH 10/10] ll_rw_blk: temporarily enable max_segments tweaking Jens Axboe
2007-05-16 8:31 [PATCH 0/19] Chaining sg lists for big IO commands v6 Jens Axboe
2007-05-16 8:31 ` [PATCH 7/10] i386 sg: add support for chaining scatterlists Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070509031915.6e934f35.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=herbert@gondor.apana.org.au \
--cc=jens.axboe@oracle.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome