[PATCH] linux/uio.h: cleanup for userspace

From: Mike Frysinger
Date: Sat Dec 27 2008 - 01:50:39 EST


Hide iov_shorten() behind __KERNEL__ since it's a prototype only. Use the
__inline__ form for iov_length() since it's usable by userspace.

Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
include/linux/uio.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/include/linux/uio.h b/include/linux/uio.h
index b7fe138..2faeea6 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -42,7 +42,7 @@ struct kvec {
* segment lengths have been validated. Because the individual lengths can
* overflow a size_t when added together.
*/
-static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs)
+static __inline__ size_t iov_length(const struct iovec *iov, unsigned long nr_segs)
{
unsigned long seg;
size_t ret = 0;
@@ -52,6 +52,8 @@ static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs)
return ret;
}

+#ifdef __KERNEL__
unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to);
+#endif

#endif
--
1.6.0.6

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