fanotify: fix collision of internal and uapi mark flags
authorAmir Goldstein <amir73il@gmail.com>
Wed, 3 Oct 2018 21:25:32 +0000 (00:25 +0300)
committerJan Kara <jack@suse.cz>
Thu, 4 Oct 2018 11:27:48 +0000 (13:27 +0200)
The new mark flag FAN_MARK_FILESYSTEMS collides with existing internal
flag FAN_MARK_ONDIR. Change internal flag value to avoid the collision.

Fixes: d54f4fba889b ("fanotify: add API to attach/detach super block mark")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
include/linux/fanotify.h

index 9c5ea3b..e70fccc 100644 (file)
@@ -5,7 +5,7 @@
 #include <uapi/linux/fanotify.h>
 
 /* not valid from userspace, only kernel internal */
-#define FAN_MARK_ONDIR         0x00000100
+#define FAN_MARK_ONDIR         0x80000000
 
 #define FAN_GROUP_FLAG(group, flag) \
        ((group)->fanotify_data.flags & (flag))