From: Zhang Xiliang Subject: [PATCH]ext4: add the spec for ext4 subdirectory limit(was: Problems with the max value for create directory) Date: Mon, 19 Jan 2009 11:57:05 +0800 Message-ID: <4973FA11.3000309@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: Ext4 Developers List , Theodore Tso Return-path: 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 Sender: linux-ext4-owner@vger.kernel.org List-ID: 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(-) 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