[PATCH] Documentation : Update relay function types

[Yohan Pipereau <yohan.pipereau@gmail.com>]

This patch updates two callback functions provided as an example in
relay API documentation : subbuf_start and create_buf_file_handler.

These functions were using older and incorrect types causing an
"initialization from incompatible pointer type".

diffstat for this patch is:
 relay.txt |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


Signed-off-by: Yohan Pipereau <yohan.pipereau@gmail.com>
---

diff --git a/Documentation/filesystems/relay.txt
b/Documentation/filesystems/relay.txt
index 33e2f3694733..cd709a94d054 100644
--- a/Documentation/filesystems/relay.txt
+++ b/Documentation/filesystems/relay.txt
@@ -222,7 +222,7 @@ using debugfs:
  */
 static struct dentry *create_buf_file_handler(const char *filename,
                                               struct dentry *parent,
-                                              int mode,
+                                              umode_t mode,
                                               struct rchan_buf *buf,
                                               int *is_global)
 {
@@ -375,7 +375,7 @@ would be very similar:
 static int subbuf_start(struct rchan_buf *buf,
                         void *subbuf,
 			void *prev_subbuf,
-			unsigned int prev_padding)
+			size_t prev_padding)
 {
 	if (prev_subbuf)
 		*((unsigned *)prev_subbuf) = prev_padding;
--
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