diff --git a/qtfs/qtfs_server/fsops.c b/qtfs/qtfs_server/fsops.c
index cd7365d25c4af0e4aa6b8533a2b725db09bb62d2..f2f3749ef9783c8c08c2447d8163988a96e0e782 100644
--- a/qtfs/qtfs_server/fsops.c
+++ b/qtfs/qtfs_server/fsops.c
@@ -668,14 +668,20 @@ static int handle_readdir(struct qtserver_arg *arg)
 		rsp->d.vldcnt = 0;
 		return sizeof(struct qtrsp_readdir) - sizeof(rsp->dirent);
 	}
-	file->f_pos = req->pos;
+	if (vfs_llseek(file, req->pos, SEEK_SET) < 0) {
+		qtfs_err("handle readdir error, file path:%s seek set:%lld failed", req->path, req->pos);
+		rsp->d.ret = QTFS_ERR;
+		rsp->d.vldcnt = 0;
+		filp_close(file, NULL);
+		return sizeof(struct qtrsp_readdir) - sizeof(rsp->dirent);
+	}
 	ret = iterate_dir(file, &buf.ctx);
-	rsp->d.pos = file->f_pos;
+	rsp->d.pos = vfs_llseek(file, 0, SEEK_CUR);
 	rsp->d.ret = QTFS_OK;
 	rsp->d.vldcnt = buf.vldcnt;
 	rsp->d.over = (req->pos == rsp->d.pos) ? 1 : 0;
 	qtfs_info("handle readdir ret:%d, pos:%lld path:%s, valid count:%d, leftcount:%d validbyte:%lu\n",
-			ret, req->pos, req->path, buf.vldcnt, buf.count, sizeof(rsp->dirent) - buf.count);
+			ret, req->pos, req->path, buf.vldcnt, buf.count, req->count - buf.count);
 	filp_close(file, NULL);
 
 	return sizeof(struct qtrsp_readdir_len) + req->count;