From patchwork Mon Jan 19 03:57:05 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Xiliang X-Patchwork-Id: 19247 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id 4A6E5DE032 for ; Mon, 19 Jan 2009 14:55:50 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758001AbZASDzt (ORCPT ); Sun, 18 Jan 2009 22:55:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758008AbZASDzt (ORCPT ); Sun, 18 Jan 2009 22:55:49 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:51090 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1758001AbZASDzs (ORCPT ); Sun, 18 Jan 2009 22:55:48 -0500 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 739A6170116; Mon, 19 Jan 2009 12:24:02 +0800 (CST) Received: from fnst.cn.fujitsu.com (localhost.localdomain [127.0.0.1]) by tang.cn.fujitsu.com (8.13.1/8.13.1) with ESMTP id n0J3tnMi030531; Mon, 19 Jan 2009 11:55:49 +0800 Received: from [127.0.0.1] (unknown [10.167.141.190]) by fnst.cn.fujitsu.com (Postfix) with ESMTPA id 4A41ED441A; Mon, 19 Jan 2009 11:55:26 +0800 (CST) Message-ID: <4973FA11.3000309@cn.fujitsu.com> Date: Mon, 19 Jan 2009 11:57:05 +0800 From: Zhang Xiliang User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Ext4 Developers List , Theodore Tso Subject: [PATCH]ext4: add the spec for ext4 subdirectory limit(was: Problems with the max value for create directory) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org ext4: add the spec for ext4 subdirectory limit When the block size is 1024, users can't creat 32000 subdirectories for htree limit. I think it should be added to ext4 document. Signed-off-by: Zhang Xiliang --- Documentation/filesystems/ext4.txt | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index cec829b..df17557 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -85,7 +85,8 @@ Note: More extensive information for getting started with ext4 can be * extent format more robust in face of on-disk corruption due to magics, * internal redundancy in tree * improved file allocation (multi-block alloc) -* fix 32000 subdirectory limit +* fix 32000 subdirectory limit (when block size is 1024, the limit will be +* less than 32000) * nsec timestamps for mtime, atime, ctime, create time * inode version field on disk (NFSv4, Lustre) * reduced e2fsck time via uninit_bg feature