fanotify: remove outgoing function checks in fanotify.h

A number of validity checks on outgoing data are done in static inlines but
are only used in one place.  Instead just do them where they are used for
readability.
Signed-off-by: NAndreas Gruenbacher <agruen@suse.de>
Signed-off-by: NEric Paris <eparis@redhat.com>

fs/notify/fanotify/fanotify.c

+#include <linux/fanotify.h>
 #include <linux/fdtable.h>
 #include <linux/fsnotify_backend.h>
 #include <linux/init.h>
@@ -5,8 +6,6 @@
 #include <linux/mount.h>
 #include <linux/types.h>
 
-#include "fanotify.h"
-
 static bool should_merge(struct fsnotify_event *old, struct fsnotify_event *new)
 {
 	pr_debug("%s: old=%p new=%p\n", __func__, old, new);

fs/notify/fanotify/fanotify.h

-#include <linux/fanotify.h>
-#include <linux/fsnotify_backend.h>
-#include <linux/net.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-extern const struct fsnotify_ops fanotify_fsnotify_ops;
-
-static inline __u32 fanotify_outgoing_mask(__u32 mask)
-{
-	return mask & FAN_ALL_OUTGOING_EVENTS;
-}

fs/notify/fanotify/fanotify_user.c

+#include <linux/fanotify.h>
 #include <linux/fcntl.h>
 #include <linux/file.h>
 #include <linux/fs.h>
@@ -14,7 +15,7 @@
 
 #include <asm/ioctls.h>
 
-#include "fanotify.h"
+extern const struct fsnotify_ops fanotify_fsnotify_ops;
 
 static struct kmem_cache *fanotify_mark_cache __read_mostly;
 
@@ -102,7 +103,7 @@ static ssize_t fill_event_metadata(struct fsnotify_group *group,
 
 	metadata->event_len = FAN_EVENT_METADATA_LEN;
 	metadata->vers = FANOTIFY_METADATA_VERSION;
-	metadata->mask = fanotify_outgoing_mask(event->mask);
+	metadata->mask = event->mask & FAN_ALL_OUTGOING_EVENTS;
 	metadata->pid = pid_vnr(event->tgid);
 	metadata->fd = create_fd(group, event);