path: root/fs/notify/group.c
diff options
authorEric Paris <eparis@redhat.com>2011-10-14 17:43:39 -0400
committerEric Paris <eparis@redhat.com>2012-12-11 13:44:36 -0500
commit0a6b6bd5919a65030b557ec8fe81f6fb3e93744a (patch)
tree940e38b5cc9d7fdb5804748842b555af554ed32f /fs/notify/group.c
parent6960b0d909cde5bdff49e4e5c1250edd10be7ebd (diff)
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>
Diffstat (limited to 'fs/notify/group.c')
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/notify/group.c b/fs/notify/group.c
index 1f7305711fc..bd2625bd88b 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -102,3 +102,10 @@ struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops)
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;