netdev - [PATCH 3/3 net-next] linux: Remove bvec page_offset, use bv

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Date:   Mon, 29 Jul 2019 10:19:41 -0700
From:   Jonathan Lemon <jonathan.lemon@...il.com>
To:     <willy@...raded.org>, <davem@...emloft.net>
CC:     <kernel-team@...com>, <netdev@...r.kernel.org>
Subject: [PATCH 3/3 net-next] linux: Remove bvec page_offset, use bv_offset

Now that page_offset is referenced through accessors, remove
the union, and use bv_offset.

Signed-off-by: Jonathan Lemon <jonathan.lemon@...il.com>
---
 include/linux/bvec.h   |  5 +----
 include/linux/skbuff.h | 10 +++++-----
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 7f2b2ea9399c..a032f01e928c 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -18,10 +18,7 @@
 struct bio_vec {
 	struct page	*bv_page;
 	unsigned int	bv_len;
-	union {
-		__u32		page_offset;
-		unsigned int	bv_offset;
-	};
+	unsigned int	bv_offset;
 };
 
 struct bvec_iter {
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7d94a78067ee..68334e56a697 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2078,7 +2078,7 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i,
 	 * on page_is_pfmemalloc doing the right thing(tm).
 	 */
 	frag->bv_page		  = page;
-	frag->page_offset	  = off;
+	frag->bv_offset		  = off;
 	skb_frag_size_set(frag, size);
 
 	page = compound_head(page);
@@ -2863,7 +2863,7 @@ static inline void skb_propagate_pfmemalloc(struct page *page,
  */
 static inline unsigned int skb_frag_off(const skb_frag_t *frag)
 {
-	return frag->page_offset;
+	return frag->bv_offset;
 }
 
 /**
@@ -2873,7 +2873,7 @@ static inline unsigned int skb_frag_off(const skb_frag_t *frag)
  */
 static inline void skb_frag_off_add(skb_frag_t *frag, int delta)
 {
-	frag->page_offset += delta;
+	frag->bv_offset += delta;
 }
 
 /**
@@ -2883,7 +2883,7 @@ static inline void skb_frag_off_add(skb_frag_t *frag, int delta)
  */
 static inline void skb_frag_off_set(skb_frag_t *frag, unsigned int offset)
 {
-	frag->page_offset = offset;
+	frag->bv_offset = offset;
 }
 
 /**
@@ -2894,7 +2894,7 @@ static inline void skb_frag_off_set(skb_frag_t *frag, unsigned int offset)
 static inline void skb_frag_off_set_from(skb_frag_t *fragto,
 					 const skb_frag_t *fragfrom)
 {
-	fragto->page_offset = fragfrom->page_offset;
+	fragto->bv_offset = fragfrom->bv_offset;
 }
 
 /**
-- 
2.17.1