New upstream version 8.1.0

client_module/source/common/storage/FileEvent.h

@@ -0,0 +1,61 @@
+#ifndef FILEEVENT_H_
+#define FILEEVENT_H_
+
+#include <common/toolkit/Serialization.h>
+
+struct dentry;
+
+enum FileEventType
+{
+   FileEventType_FLUSH = 1,
+   FileEventType_TRUNCATE,
+   FileEventType_SETATTR,
+   FileEventType_CLOSE_WRITE,
+   FileEventType_CREATE,
+   FileEventType_MKDIR,
+   FileEventType_MKNOD,
+   FileEventType_SYMLINK,
+   FileEventType_RMDIR,
+   FileEventType_UNLINK,
+   FileEventType_HARDLINK,
+   FileEventType_RENAME,
+   FileEventType_OPEN_READ,
+   FileEventType_OPEN_WRITE,
+   FileEventType_OPEN_READ_WRITE,
+   FileEventType_LAST_WRITER_CLOSED,
+   FileEventType_OPEN_BLOCKED,
+};
+
+struct FileEvent
+{
+   uint32_t eventType; /* enum FileEventType */
+   const char* path; /* NULL if invalid/could not be determined (empty is also allowed) */
+   const char* target; /* link target for link, new name for rename */
+
+   unsigned long pathPagePFN;
+   unsigned long targetPagePFN;
+};
+
+void FileEvent_init(struct FileEvent* event, enum FileEventType eventType, struct dentry* dentry);
+void FileEvent_uninit(struct FileEvent* event);
+
+static inline void FileEvent_setTargetStr(struct FileEvent* event, const char* target)
+{
+   if (event->targetPagePFN)
+      kfree((void *)event->targetPagePFN);
+   else
+      kfree(event->target);
+
+   event->targetPagePFN = 0;
+   event->target = kstrdup(target, GFP_NOFS);
+}
+
+void FileEvent_setTargetDentry(struct FileEvent* event, struct dentry* dentry);
+
+void FileEvent_serialize(SerializeCtx* ctx, const struct FileEvent* event);
+
+/* the empty file event object is a valid event that may be destroyed, but that holds no
+ * state itself. thus, it may also be reinitialized without being destroyed first. */
+#define FILEEVENT_EMPTY {0, NULL, NULL, 0, 0}
+
+#endif