From: Matthew Wilcox <willy@infradead.org>
To: davem@davemloft.net
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
hch@lst.de, netdev@vger.kernel.org
Subject: [PATCH 5/5] net: Rename skb_frag page to bv_page
Date: Tue, 30 Apr 2019 21:17:57 -0700 [thread overview]
Message-ID: <20190501041757.8647-7-willy@infradead.org> (raw)
In-Reply-To: <20190501041757.8647-1-willy@infradead.org>
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
One step closer to turning the skb_frag_t into a bio_vec.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/linux/skbuff.h | 12 +++++-------
net/core/skbuff.c | 2 +-
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bc416e5886f4..1fc0592d6a06 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -316,9 +316,7 @@ extern int sysctl_max_skb_frags;
typedef struct skb_frag_struct skb_frag_t;
struct skb_frag_struct {
- struct {
- struct page *p;
- } page;
+ struct page *bv_page;
__u32 size;
__u32 page_offset;
};
@@ -379,7 +377,7 @@ static inline bool skb_frag_must_loop(struct page *p)
* skb_frag_foreach_page - loop over pages in a fragment
*
* @f: skb frag to operate on
- * @f_off: offset from start of f->page.p
+ * @f_off: offset from start of f->bv_page
* @f_len: length from f_off to loop over
* @p: (temp var) current page
* @p_off: (temp var) offset from start of current page,
@@ -2062,7 +2060,7 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i,
* that not all callers have unique ownership of the page but rely
* on page_is_pfmemalloc doing the right thing(tm).
*/
- frag->page.p = page;
+ frag->bv_page = page;
frag->page_offset = off;
skb_frag_size_set(frag, size);
@@ -2850,7 +2848,7 @@ static inline void skb_propagate_pfmemalloc(struct page *page,
*/
static inline struct page *skb_frag_page(const skb_frag_t *frag)
{
- return frag->page.p;
+ return frag->bv_page;
}
/**
@@ -2936,7 +2934,7 @@ static inline void *skb_frag_address_safe(const skb_frag_t *frag)
*/
static inline void __skb_frag_set_page(skb_frag_t *frag, struct page *page)
{
- frag->page.p = page;
+ frag->bv_page = page;
}
/**
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 12b60fdcff46..ee948851fd48 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3194,7 +3194,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen)
} else {
__skb_frag_ref(fragfrom);
- fragto->page = fragfrom->page;
+ fragto->bv_page = fragfrom->bv_page;
fragto->page_offset = fragfrom->page_offset;
skb_frag_size_set(fragto, todo);
--
2.20.1
next prev parent reply other threads:[~2019-05-01 4:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-01 4:17 [PATCH 0/5] Beginnings of skb_frag -> bio_vec conversion Matthew Wilcox
2019-05-01 4:17 ` [PATCH 1/5] net: Increase the size of skb_frag_t Matthew Wilcox
2019-05-01 4:17 ` [PATCH 2/5] net: Reorder the contents " Matthew Wilcox
2019-05-01 4:17 ` [PATCH 3/5] net: Include bvec.h in skbuff.h Matthew Wilcox
2019-05-01 4:17 ` [PATCH 4/5] net: Use skb accessors for skb->page Matthew Wilcox
2019-05-02 10:21 ` kbuild test robot
2019-05-01 4:17 ` Matthew Wilcox [this message]
2019-05-01 8:14 ` [PATCH 0/5] Beginnings of skb_frag -> bio_vec conversion Eric Dumazet
2019-05-01 9:44 ` Matthew Wilcox
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