Making fs/minix/minix.h double including safe

[safe/jmp/linux-2.6] / fs / eventfd.c

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 91c0829..3f0e197 100644 (file)
--- 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;
@@ -51,11 +52,12 @@ int eventfd_signal(struct file *file, int n)
                n = (int) (ULLONG_MAX - ctx->count);
        ctx->count += n;
        if (waitqueue_active(&ctx->wqh))
-               wake_up_locked(&ctx->wqh);
+               wake_up_locked_poll(&ctx->wqh, POLLIN);
        spin_unlock_irqrestore(&ctx->wqh.lock, flags);
 
        return n;
 }
+EXPORT_SYMBOL_GPL(eventfd_signal);
 
 static int eventfd_release(struct inode *inode, struct file *file)
 {
@@ -120,7 +122,7 @@ static ssize_t eventfd_read(struct file *file, char __user *buf, size_t count,
                ucnt = (ctx->flags & EFD_SEMAPHORE) ? 1 : ctx->count;
                ctx->count -= ucnt;
                if (waitqueue_active(&ctx->wqh))
-                       wake_up_locked(&ctx->wqh);
+                       wake_up_locked_poll(&ctx->wqh, POLLOUT);
        }
        spin_unlock_irq(&ctx->wqh.lock);
        if (res > 0 && put_user(ucnt, (__u64 __user *) buf))
@@ -169,7 +171,7 @@ static ssize_t eventfd_write(struct file *file, const char __user *buf, size_t c
        if (likely(res > 0)) {
                ctx->count += ucnt;
                if (waitqueue_active(&ctx->wqh))
-                       wake_up_locked(&ctx->wqh);
+                       wake_up_locked_poll(&ctx->wqh, POLLIN);
        }
        spin_unlock_irq(&ctx->wqh.lock);
 
@@ -197,6 +199,7 @@ struct file *eventfd_fget(int fd)
 
        return file;
 }
+EXPORT_SYMBOL_GPL(eventfd_fget);
 
 SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
 {