1 files changed, 75 insertions, 0 deletions
diff --git a/lufis/dircache.h b/lufis/dircache.h
new file mode 100644
index 0000000..3c33d25
--- /dev/null
+++ b/lufis/dircache.h
@@ -0,0 +1,75 @@
+/*
+ * dircache.h
+ * Copyright (C) 2002 Florin Malita <mali@go.ro>
+ *
+ * This file is part of LUFS, a free userspace filesystem implementation.
+ * See http://lufs.sourceforge.net/ for updates.
+ *
+ * LUFS is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * LUFS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _DIRCACHE_H_
+#define _DIRCACHE_H_
+
+#include <fuse.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define NBUCKETS	7
+#define DEF_NENTRIES	6
+#define DEF_TTL		20
+
+struct list_head;
+
+struct direntry{
+    char 		*e_name;
+    char 		*e_link;
+    struct list_head	e_list;
+    struct lufs_fattr 	e_attr;
+};
+
+struct directory{
+    char		*d_name;
+    struct list_head	d_entries;
+    struct list_head	d_list;
+    unsigned long d_stamp;
+};
+
+struct dir_cache{
+    int			ttl;
+    int			entries;
+    pthread_mutex_t	lock;
+    struct list_head	buckets[NBUCKETS];
+    int			lengths[NBUCKETS];
+};
+
+struct dir_cache* lu_cache_create(struct list_head*);
+void lu_cache_destroy(struct dir_cache*);
+
+int lu_cache_lookup_file(struct dir_cache*, char*, struct lufs_fattr*, char*, int);
+void lu_cache_add(struct dir_cache*, char*, char*, struct lufs_fattr*, char*);
+int lu_cache_readdir(struct dir_cache *cache, char *dir,
+                     fuse_dirh_t h, fuse_dirfil_t filler);
+int lu_cache_invalidate(struct dir_cache*, char*);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif