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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-13 10:58:49 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-13 10:59:10 +0100
commit0ea0397a3a12f9720d6acb78a48da796a54e81aa (patch)
treee2078363019cb2fde493844d7f25293412c4b6df /include/linux/fanotify.h
parent913240696ec64a2af2de250b1591cc45b5cea2f6 (diff)
parent651022382c7f8da46cb4872a545ee1da6d097d2a (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
drm-next is forwarded to v4.20-rc1, and we need this to make a patch series apply. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'include/linux/fanotify.h')
-rw-r--r--include/linux/fanotify.h59
1 files changed, 57 insertions, 2 deletions
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 096c96f4f16a..a5a60691e48b 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -4,6 +4,61 @@
#include <uapi/linux/fanotify.h>
-/* not valid from userspace, only kernel internal */
-#define FAN_MARK_ONDIR 0x00000100
+#define FAN_GROUP_FLAG(group, flag) \
+ ((group)->fanotify_data.flags & (flag))
+
+/*
+ * Flags allowed to be passed from/to userspace.
+ *
+ * We intentionally do not add new bits to the old FAN_ALL_* constants, because
+ * they are uapi exposed constants. If there are programs out there using
+ * these constant, the programs may break if re-compiled with new uapi headers
+ * and then run on an old kernel.
+ */
+#define FANOTIFY_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \
+ FAN_CLASS_PRE_CONTENT)
+
+#define FANOTIFY_INIT_FLAGS (FANOTIFY_CLASS_BITS | \
+ FAN_REPORT_TID | \
+ FAN_CLOEXEC | FAN_NONBLOCK | \
+ FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS)
+
+#define FANOTIFY_MARK_TYPE_BITS (FAN_MARK_INODE | FAN_MARK_MOUNT | \
+ FAN_MARK_FILESYSTEM)
+
+#define FANOTIFY_MARK_FLAGS (FANOTIFY_MARK_TYPE_BITS | \
+ FAN_MARK_ADD | \
+ FAN_MARK_REMOVE | \
+ FAN_MARK_DONT_FOLLOW | \
+ FAN_MARK_ONLYDIR | \
+ FAN_MARK_IGNORED_MASK | \
+ FAN_MARK_IGNORED_SURV_MODIFY | \
+ FAN_MARK_FLUSH)
+
+/* Events that user can request to be notified on */
+#define FANOTIFY_EVENTS (FAN_ACCESS | FAN_MODIFY | \
+ FAN_CLOSE | FAN_OPEN)
+
+/* Events that require a permission response from user */
+#define FANOTIFY_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM)
+
+/* Extra flags that may be reported with event or control handling of events */
+#define FANOTIFY_EVENT_FLAGS (FAN_EVENT_ON_CHILD | FAN_ONDIR)
+
+/* Events that may be reported to user */
+#define FANOTIFY_OUTGOING_EVENTS (FANOTIFY_EVENTS | \
+ FANOTIFY_PERM_EVENTS | \
+ FAN_Q_OVERFLOW)
+
+#define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \
+ FANOTIFY_EVENT_FLAGS)
+
+/* Do not use these old uapi constants internally */
+#undef FAN_ALL_CLASS_BITS
+#undef FAN_ALL_INIT_FLAGS
+#undef FAN_ALL_MARK_FLAGS
+#undef FAN_ALL_EVENTS
+#undef FAN_ALL_PERM_EVENTS
+#undef FAN_ALL_OUTGOING_EVENTS
+
#endif /* _LINUX_FANOTIFY_H */