[KVM PATCH v4 1/2] eventfd: export eventfd interfaces for module use

[Gregory Haskins <ghaskins@novell.com>]

We will re-use eventfd for implmenting irqfd later in the series, and the
irqfd users will potentially live in modules.

Signed-off-by: Gregory Haskins <ghaskins@novell.com>
---

 fs/eventfd.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 0de6ebb..2e1c2ff 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -16,6 +16,7 @@
 #include <linux/anon_inodes.h>
 #include <linux/eventfd.h>
 #include <linux/syscalls.h>
+#include <linux/module.h>
 
 struct eventfd_ctx {
 	wait_queue_head_t wqh;
@@ -56,6 +57,7 @@ int eventfd_signal(struct file *file, int n)
 
 	return n;
 }
+EXPORT_SYMBOL_GPL(eventfd_signal);
 
 static int eventfd_release(struct inode *inode, struct file *file)
 {
@@ -197,6 +199,7 @@ struct file *eventfd_fget(int fd)
 
 	return file;
 }
+EXPORT_SYMBOL_GPL(eventfd_fget);
 
 struct file *eventfd_file_create(unsigned int count, int flags)
 {
@@ -225,6 +228,7 @@ struct file *eventfd_file_create(unsigned int count, int flags)
 
 	return file;
 }
+EXPORT_SYMBOL_GPL(eventfd_file_create);
 
 SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
 {