reset dentry buffer when rewind'ed

src/fuse_readdir_linux.cpp

@@ -66,6 +66,8 @@ namespace l
     uint64_t namelen;
     struct linux_dirent64 *d;
 
+    fuse_dirents_reset(buf_);
+
     buf = (char*)g_DENTS_BUF_POOL.alloc();
     if(buf == NULL)
       return -ENOMEM;

src/fuse_readdir_plus_linux.cpp

@@ -70,6 +70,8 @@ namespace l
     fuse_entry_t entry;
     struct linux_dirent64 *d;
 
+    fuse_dirents_reset(buf_);
+
     buf = (char*)g_DENTS_BUF_POOL.alloc();
 
     entry.nodeid           = 0;

src/fuse_readdir_plus_posix.cpp

@@ -72,6 +72,8 @@ namespace l
     uint64_t namelen;
     fuse_entry_t entry;
 
+    fuse_dirents_reset(buf_);
+
     entry.nodeid           = 0;
     entry.generation       = 0;
     entry.entry_valid      = entry_timeout_;

src/fuse_readdir_posix.cpp

@@ -67,6 +67,8 @@ namespace l
     string fullpath;
     uint64_t namelen;
 
+    fuse_dirents_reset(buf_);
+
     for(size_t i = 0, ei = branches_.size(); i != ei; i++)
       {
         int rv;