diff --git a/configure.ac b/configure.ac
index aef73ab..80690eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@ AC_PROG_CC
 dnl checks for libraries
 
 AC_CHECK_LIB([z], [gzgets],,[AC_MSG_ERROR(No zlib library!)])
-PKG_CHECK_MODULES([FUSE], [fuse], [], [AC_MSG_ERROR(No fuse library!)])
+PKG_CHECK_MODULES([FUSE3], [fuse3], [], [AC_MSG_ERROR(No fuse3 library!)])
 
 dnl checks for header files
 
@@ -46,12 +46,12 @@ AC_TYPE_SIZE_T
 dnl checking type of system to provide proper compile and linking flags
 
 case ${host} in
-    *-*-linux-*)	AC_SUBST(CFLAGS, ["-Wall -O3 `pkg-config --cflags fuse`"])
-			AC_SUBST(LDFLAGS, ["`pkg-config --cflags --libs fuse` -lz"]);;
-    *-*-bsd-*)		AC_SUBST(CFLAGS, ["-Wall -O3 `pkg-config --cflags fuse`"])
-			AC_SUBST(LDFLAGS, ["`pkg-config --cflags --libs fuse` -lz"]);;
-    *-*-darwin*)	AC_SUBST(CFLAGS, ["-Wall -O3 `pkg-config --cflags fuse`"])
-			AC_SUBST(LDFLAGS, ["`pkg-config --cflags --libs fuse` -lz"]);;
+    *-*-linux-*)	AC_SUBST(CFLAGS, ["-Wall -O3 `pkg-config --cflags fuse3`"])
+			AC_SUBST(LIBS, ["`pkg-config --cflags --libs fuse3` -lz"]);;
+    *-*-bsd-*)		AC_SUBST(CFLAGS, ["-Wall -O3 `pkg-config --cflags fuse3`"])
+			AC_SUBST(LIBS, ["`pkg-config --cflags --libs fuse3` -lz"]);;
+    *-*-darwin*)	AC_SUBST(CFLAGS, ["-Wall -O3 `pkg-config --cflags fuse3`"])
+			AC_SUBST(LIBS, ["`pkg-config --cflags --libs fuse3` -lz"]);;
     *)			AC_MSG_WARN(No automatic flags for this host system; set compile/linking flags manually);;
 esac
 
diff --git a/externs.h b/externs.h
index 1084970..7021bc4 100644
--- a/externs.h
+++ b/externs.h
@@ -1,11 +1,11 @@
 #ifndef _EXTERNS_H_
 #define _EXTERNS_H_
 
-#define FUSE_USE_VERSION 26
+#define FUSE_USE_VERSION 31
 
-#include <fuse.h>
+#include <fuse3/fuse.h>
 
-extern char *mount;
+extern char *mount_dir;
 // directory where data directory should be created
 extern char *tmp_dir;
 // directory where file system's data will be kept
diff --git a/initialize.c b/initialize.c
index 6067669..1cff77e 100644
--- a/initialize.c
+++ b/initialize.c
@@ -5,7 +5,7 @@
 
 void check_mount(){
     
-    if (gpthpro(&mount) != 0)
+    if (gpthpro(&mount_dir) != 0)
     	fail(ERR_NO_MOUNT);
             
 };
diff --git a/initialize.h b/initialize.h
index 748459d..7923c17 100644
--- a/initialize.h
+++ b/initialize.h
@@ -18,6 +18,6 @@
 
 #include "retriever/retriever.h"
 
-void initialize();
+void initialize(struct file_system_info *fsinfo);
 
 #endif
diff --git a/operations.c b/operations.c
index 6068fbd..9123c9a 100644
--- a/operations.c
+++ b/operations.c
@@ -10,7 +10,7 @@
 
 // public:
 
-int revs_getattr(const char *path, struct stat *stbuf){
+int revs_getattr(const char *path, struct stat *stbuf, struct fuse_file_info *fileinfo){
 
     struct stats *stats;
     memset(stbuf, 0, sizeof(struct stat));
@@ -39,7 +39,7 @@ int revs_getattr(const char *path, struct stat *stbuf){
     
 };
 
-int revs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi){
+int revs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi, enum fuse_readdir_flags flags){
 
     (void) offset;
     (void) fi;
@@ -53,8 +53,8 @@ int revs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offs
     gstrdel(stats->path);
     free(stats);
 	
-    filler(buf, ".", NULL, 0);
-    filler(buf, "..", NULL, 0);
+    filler(buf, ".", NULL, 0, flags);
+    filler(buf, "..", NULL, 0, flags);
     
     debug(1, "Reading content of the eturned directory\n");
     char **content = get_children(file_system_info, path);
@@ -63,7 +63,7 @@ int revs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offs
 		return 0;
 	}
     for (i = 0; content[i] != 0; i++)
-		filler(buf, content[i], NULL, 0);
+		filler(buf, content[i], NULL, 0, flags);
 	debug(1, "There were %d children in this directory;\n", i);
     for (i = 0; content[i] != 0; i++)
         free(content[i]);
diff --git a/operations.h b/operations.h
index ce893f9..b1f35b4 100644
--- a/operations.h
+++ b/operations.h
@@ -1,13 +1,13 @@
 #ifndef _OPERATIONS_H_
 #define _OPERATIONS_H_
 
-#define FUSE_USE_VERSION 26
+#define FUSE_USE_VERSION 31
 
-#include <fuse.h>
+#include <fuse3/fuse.h>
 
-int revs_getattr(const char *path, struct stat *stbuf);
+int revs_getattr(const char *path, struct stat *stbuf, struct fuse_file_info *fileinfo);
 
-int revs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi);
+int revs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi,  enum fuse_readdir_flags flags);
 
 int revs_readlink(const char *, char *, size_t);
 
diff --git a/parse.c b/parse.c
index e1a5596..9dfa475 100644
--- a/parse.c
+++ b/parse.c
@@ -160,9 +160,9 @@ void parse_repo(struct file_system_info *fsinfo, int argc, char** argv, int *ind
 
 void parse_mount(char *arg){
 
-    if (mount != NULL)
+    if (mount_dir != NULL)
 		fail(ERR_PARAMETRES);
-    if (gstrcpy(&mount, arg) != 0)
+    if (gstrcpy(&mount_dir, arg) != 0)
     	fail(-1);
 
 };
@@ -182,12 +182,12 @@ int parse(struct file_system_info *fsinfo, int argc, char **argv){
     for (i = 1; i < argc; i++){
 		if (isOption(argv[i]) == 1)
 	    	parse_option(fsinfo, argc, argv, &i);
-		else if (mount == NULL)
+		else if (mount_dir == NULL)
 	    	parse_mount(argv[i]);
 		else
 	    	parse_repo(fsinfo, argc, argv, &i);
 	};
-    if (mount == NULL)
+    if (mount_dir == NULL)
 		fail(ERR_NO_MOUNT);
     if (fsinfo->repo_count == 0)
 		fail(ERR_NO_REPO);
diff --git a/rdiff-backup-fs.c b/rdiff-backup-fs.c
index caf17ea..b20dfba 100644
--- a/rdiff-backup-fs.c
+++ b/rdiff-backup-fs.c
@@ -3,7 +3,7 @@
 #include "parse.h"
 #include "initialize.h"
 
-char *mount = NULL;
+char *mount_dir = NULL;
 char *tmp_dir = NULL;
 char *data_dir = NULL;
 
@@ -30,7 +30,7 @@ int run(int argc, char **argv){
     
     args = calloc(3 + 2, sizeof(char *));
     args[0] = argv[0];
-    args[1] = mount;
+    args[1] = mount_dir;
     options_count = 2;
     if (debug){
         args[options_count] = "-d";
diff --git a/retriever/limit.c b/retriever/limit.c
index a53fb84..8eb2168 100644
--- a/retriever/limit.c
+++ b/retriever/limit.c
@@ -22,7 +22,7 @@ struct cache {
 };
 
 int cache_add(node_t *);
-int cache_delete();
+int cache_delete(struct file_system_info *fsinfo);
 
 // public:
 
diff --git a/support/gtree.c b/support/gtree.c
index 871211d..e6a5947 100644
--- a/support/gtree.c
+++ b/support/gtree.c
@@ -1,5 +1,7 @@
 #include <fcntl.h>
 #include <assert.h>
+#include <stdio.h>
+#include <time.h>
 
 #include "gtree.h"
 #include "gutils.h"