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net: Rename skb_frag page to bv_page

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One step closer to turning the skb_frag_t into a bio_vec.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matthew Wilcox (Oracle) 2019-07-22 20:08:29 -07:00 committed by David S. Miller
parent f58ecf1b7d
commit 1dfa5bd385
2 changed files with 6 additions and 8 deletions
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12
include/linux/skbuff.h
View File

@ -311,9 +311,7 @@ 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;
};
@ -374,7 +372,7 @@ 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,
@ -2084,7 +2082,7 @@ 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);
@ -2872,7 +2870,7 @@ 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;
}
/**
@ -2958,7 +2956,7 @@ 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;
}
/**

2
net/core/skbuff.c
View File

@ -3364,7 +3364,7 @@ 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);