From: David Miller <davem@davemloft.net>
To: willy@infradead.org
Cc: hch@lst.de, netdev@vger.kernel.org
Subject: Re: [PATCH v3 0/7] Convert skb_frag_t to bio_vec
Date: Mon, 22 Jul 2019 20:48:16 -0700 (PDT) [thread overview]
Message-ID: <20190722.204816.2069765912912670206.davem@davemloft.net> (raw)
In-Reply-To: <20190723030831.11879-1-willy@infradead.org>
From: Matthew Wilcox <willy@infradead.org>
Date: Mon, 22 Jul 2019 20:08:24 -0700
> From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
>
> The skb_frag_t and bio_vec are fundamentally the same (page, offset,
> length) tuple. This patch series unifies the two, leaving the
> skb_frag_t typedef in place. This has the immediate advantage that
> we already have iov_iter support for bvecs and don't need to add
> support for iterating skbuffs. It enables a long-term plan to use
> bvecs more broadly within the kernel and should make network-storage
> drivers able to do less work converting between skbuffs and biovecs.
>
> It will consume more memory on 32-bit kernels. If that proves
> problematic, we can look at ways of addressing it.
>
> v3: Rebase on latest Linus with net-next merged.
> - Reorder the uncontroversial 'Use skb accessors' patches first so you
> can apply just those two if you want to hold off on the full
> conversion.
> - Convert all the users of 'struct skb_frag_struct' to skb_frag_t.
Series applied, will push out to net-next after build testing.
Thanks.
next prev parent reply other threads:[~2019-07-23 3:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-23 3:08 [PATCH v3 0/7] Convert skb_frag_t to bio_vec Matthew Wilcox
2019-07-23 3:08 ` [PATCH v3 1/7] net: Use skb accessors in network drivers Matthew Wilcox
2019-07-23 3:08 ` [PATCH v3 2/7] net: Use skb accessors in network core Matthew Wilcox
2019-07-23 3:56 ` Yunsheng Lin
2019-07-23 11:17 ` Matthew Wilcox
2019-07-23 3:08 ` [PATCH v3 3/7] net: Increase the size of skb_frag_t Matthew Wilcox
2019-07-23 3:08 ` [PATCH v3 4/7] net: Reorder the contents " Matthew Wilcox
2019-07-23 3:08 ` [PATCH v3 5/7] net: Rename skb_frag page to bv_page Matthew Wilcox
2019-07-23 3:08 ` [PATCH v3 6/7] net: Rename skb_frag_t size to bv_len Matthew Wilcox
2019-07-24 10:49 ` David Laight
2019-07-24 11:41 ` Matthew Wilcox
2019-07-24 18:46 ` David Miller
2019-07-23 3:08 ` [PATCH v3 7/7] net: Convert skb_frag_t to bio_vec Matthew Wilcox
2019-07-23 3:48 ` David Miller [this message]
2019-07-25 16:26 ` [PATCH v3 0/7] " Jonathan Lemon
-- strict thread matches above, loose matches on Subject: below --
2019-07-12 13:43 Matthew Wilcox
2019-07-12 18:27 ` David Miller
2019-07-22 20:39 ` Matthew Wilcox
2019-07-22 20:45 ` David Miller
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