kernel/relay.c: make functions static
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Tom Zanussi <zanussi@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/relay.c b/kernel/relay.c
index a615a8f..510fbbd 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -80,7 +80,7 @@
*
* Caller should already have grabbed mmap_sem.
*/
-int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma)
+static int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma)
{
unsigned long length = vma->vm_end - vma->vm_start;
struct file *filp = vma->vm_file;
@@ -145,7 +145,7 @@
*
* Returns channel buffer if successful, %NULL otherwise.
*/
-struct rchan_buf *relay_create_buf(struct rchan *chan)
+static struct rchan_buf *relay_create_buf(struct rchan *chan)
{
struct rchan_buf *buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL);
if (!buf)
@@ -175,7 +175,7 @@
*
* Should only be called from kref_put().
*/
-void relay_destroy_channel(struct kref *kref)
+static void relay_destroy_channel(struct kref *kref)
{
struct rchan *chan = container_of(kref, struct rchan, kref);
kfree(chan);
@@ -185,7 +185,7 @@
* relay_destroy_buf - destroy an rchan_buf struct and associated buffer
* @buf: the buffer struct
*/
-void relay_destroy_buf(struct rchan_buf *buf)
+static void relay_destroy_buf(struct rchan_buf *buf)
{
struct rchan *chan = buf->chan;
unsigned int i;
@@ -210,7 +210,7 @@
* rchan_buf_struct and the channel buffer. Should only be called from
* kref_put().
*/
-void relay_remove_buf(struct kref *kref)
+static void relay_remove_buf(struct kref *kref)
{
struct rchan_buf *buf = container_of(kref, struct rchan_buf, kref);
buf->chan->cb->remove_buf_file(buf->dentry);
@@ -223,11 +223,10 @@
*
* Returns 1 if the buffer is empty, 0 otherwise.
*/
-int relay_buf_empty(struct rchan_buf *buf)
+static int relay_buf_empty(struct rchan_buf *buf)
{
return (buf->subbufs_produced - buf->subbufs_consumed) ? 0 : 1;
}
-EXPORT_SYMBOL_GPL(relay_buf_empty);
/**
* relay_buf_full - boolean, is the channel buffer full?