@@ -2543,9 +2543,11 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len);
int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len);
__wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to,
int len, __wsum csum);
+#ifdef CONFIG_SYSCALL_SPLICE
int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
struct pipe_inode_info *pipe, unsigned int len,
unsigned int flags);
+#endif /* #ifdef CONFIG_SYSCALL_SPLICE */
void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
unsigned int skb_zerocopy_headlen(const struct sk_buff *from);
int skb_zerocopy(struct sk_buff *to, struct sk_buff *from,
@@ -1649,6 +1649,7 @@ fault:
}
EXPORT_SYMBOL(skb_copy_bits);
+#ifdef CONFIG_SYSCALL_SPLICE
/*
* Callback from splice_to_pipe(), if we need to release some pages
* at the end of the spd in case we error'ed out in filling the pipe.
@@ -1851,6 +1852,7 @@ done:
return ret;
}
+#endif /* #ifdef CONFIG_SYSCALL_SPLICE */
/**
* skb_store_bits - store bits from kernel buffer to skb
Compile out splice support from networking core when the splice-family of syscalls is not supported by the system (i.e. CONFIG_SYSCALL_SPLICE is undefined). Signed-off-by: Pieter Smith <pieter@boesman.nl> --- include/linux/skbuff.h | 2 ++ net/core/skbuff.c | 2 ++ 2 files changed, 4 insertions(+)