fsnotify: make fasync generic for both inotify and fanotify
inotify is supposed to support async signal notification when information
is available on the inotify fd. This patch moves that support to generic
fsnotify functions so it can be used by all notification mechanisms.
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/notify/group.c b/fs/notify/group.c
index 1f73057..bd2625b 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -102,3 +102,10 @@
return group;
}
+
+int fsnotify_fasync(int fd, struct file *file, int on)
+{
+ struct fsnotify_group *group = file->private_data;
+
+ return fasync_helper(fd, file, on, &group->fsn_fa) >= 0 ? 0 : -EIO;
+}