diff --git a/src/core/ngx_file.c b/src/core/ngx_file.c
index 2c365a8..4be17ec 100644
--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -445,8 +445,8 @@
 
     prev = ctx->data;
 
-    if (ctx->size) {
-        data = ngx_alloc(ctx->size, ctx->log);
+    if (ctx->alloc) {
+        data = ngx_alloc(ctx->alloc, ctx->log);
         if (data == NULL) {
             goto failed;
         }
@@ -529,6 +529,10 @@
             ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                            "tree file \"%s\"", file.data);
 
+            ctx->size = ngx_de_size(&dir);
+            ctx->access = ngx_de_access(&dir);
+            ctx->mtime = ngx_de_mtime(&dir);
+
             if (ctx->file_handler(ctx, &file) == NGX_ABORT) {
                 goto failed;
             }
@@ -538,6 +542,9 @@
             ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                            "tree enter dir \"%s\"", file.data);
 
+            ctx->access = ngx_de_access(&dir);
+            ctx->mtime = ngx_de_mtime(&dir);
+
             if (ctx->pre_tree_handler(ctx, &file) == NGX_ABORT) {
                 goto failed;
             }
@@ -546,6 +553,9 @@
                 goto failed;
             }
 
+            ctx->access = ngx_de_access(&dir);
+            ctx->mtime = ngx_de_mtime(&dir);
+
             if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) {
                 goto failed;
             }
@@ -571,7 +581,7 @@
         ngx_free(buf.data);
     }
 
-    if (ctx->data) {
+    if (ctx->alloc) {
         ngx_free(ctx->data);
         ctx->data = prev;
     }
diff --git a/src/core/ngx_file.h b/src/core/ngx_file.h
index f8107ae..80dbd33 100644
--- a/src/core/ngx_file.h
+++ b/src/core/ngx_file.h
@@ -58,18 +58,23 @@
 
 typedef struct ngx_tree_ctx_s  ngx_tree_ctx_t;
 
-typedef ngx_int_t (*ngx_tree_init_handler_pt) (ngx_tree_ctx_t *ctx,
-    ngx_tree_ctx_t *prev);
+typedef ngx_int_t (*ngx_tree_init_handler_pt) (void *ctx, void *prev);
 typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name);
 
 struct ngx_tree_ctx_s {
+    off_t                      size;
+    ngx_uint_t                 access;
+    time_t                     mtime;
+
     ngx_tree_init_handler_pt   init_handler;
     ngx_tree_handler_pt        file_handler;
     ngx_tree_handler_pt        pre_tree_handler;
     ngx_tree_handler_pt        post_tree_handler;
     ngx_tree_handler_pt        spec_handler;
+
     void                      *data;
-    size_t                     size;
+    size_t                     alloc;
+
     ngx_log_t                 *log;
 };
 
diff --git a/src/http/modules/ngx_http_dav_module.c b/src/http/modules/ngx_http_dav_module.c
index 0d3c912..ad673f5 100644
--- a/src/http/modules/ngx_http_dav_module.c
+++ b/src/http/modules/ngx_http_dav_module.c
@@ -19,8 +19,7 @@
 
 
 static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r);
-static ngx_int_t ngx_http_dav_no_init(ngx_tree_ctx_t *ctx,
-    ngx_tree_ctx_t *prev);
+static ngx_int_t ngx_http_dav_no_init(void *ctx, void *prev);
 static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);
 static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
 static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
@@ -190,7 +189,7 @@
                 tree.post_tree_handler = ngx_http_dav_delete_dir;
                 tree.spec_handler = ngx_http_dav_delete_file;
                 tree.data = NULL;
-                tree.size = 0;
+                tree.alloc = 0;
                 tree.log = r->connection->log;
 
                 if (ngx_walk_tree(&tree, &path) == NGX_OK) {
@@ -270,7 +269,7 @@
 
 
 static ngx_int_t
-ngx_http_dav_no_init(ngx_tree_ctx_t *ctx, ngx_tree_ctx_t *prev)
+ngx_http_dav_no_init(void *ctx, void *prev)
 {
     return NGX_OK;
 }