From: Jeff Moyer <jmoyer@redhat.com> Date: Tue, 1 Dec 2009 21:06:36 -0500 Subject: [fs] eventfd: clean compile when CONFIG_EVENTFD=n Message-id: <1259701600-23508-9-git-send-email-jmoyer@redhat.com> Patchwork-id: 21619 O-Subject: [RHEL5 PATCH 08/12 v2] eventfd: clean compile when CONFIG_EVENTFD=n Bugzilla: 493101 RH-Acked-by: Josef Bacik <josef@redhat.com> Fixes bug 493101. commit d2fd89962cd5de6b1fb9c1c789b56bc16f58f121 Author: Randy Dunlap <randy.dunlap@oracle.com> Date: Wed Jun 27 14:09:48 2007 -0700 eventfd: clean compile when CONFIG_EVENTFD=n Fix gcc warning and add parameter checking when CONFIG_EVENTFD=n: fs/aio.c: In function 'aio_complete': fs/aio.c:955: warning: statement with no effect Signed-off-by: Jeff Moyer <jmoyer@redhat.com> diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index 0d6ecc6..b489fc6 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -19,7 +19,8 @@ int eventfd_signal(struct file *file, int n); #else /* CONFIG_EVENTFD */ #define eventfd_fget(fd) ERR_PTR(-ENOSYS) -#define eventfd_signal(f, n) 0 +static inline int eventfd_signal(struct file *file, int n) +{ return 0; } #endif /* CONFIG_EVENTFD */