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#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 bool fanotify_mark_flags_valid(unsigned int flags)
{
/* must be either and add or a remove */
if (!(flags & (FAN_MARK_ADD | FAN_MARK_REMOVE)))
return false;
/* cannot be both add and remove */
if ((flags & FAN_MARK_ADD) &&
(flags & FAN_MARK_REMOVE))
return false;
/* cannot have more flags than we know about */
if (flags & ~FAN_ALL_MARK_FLAGS)
return false;
return true;
}
static inline bool fanotify_mask_valid(__u32 mask)
{
if (mask & ~((__u32)FAN_ALL_INCOMING_EVENTS))
return false;
return true;
}
static inline __u32 fanotify_outgoing_mask(__u32 mask)
{
return mask & FAN_ALL_OUTGOING_EVENTS;
}
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