linux-kernel - Re: could modify sillyrename to put files in /tmp

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Date:	Thu, 2 Feb 2012 13:50:26 +0000
From:	"Myklebust, Trond" <Trond.Myklebust@...app.com>
To:	wangjing <wangjing@....cn>
CC:	linux-nfs <linux-nfs@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	wjk302 <wjk302@...il.com>
Subject: Re: could modify sillyrename to put files in /tmp

On Thu, 2012-02-02 at 10:18 +0800, wangjing wrote:
> In nfs v3 ,if mulity process visit nfs mount nfs dir ,there sometimes occour .nfsXXX can't delete .
> 
> If modify sillyrename to put files in /tmp ,it will be more friendly to nfs user.

No it wouldn't. Think permissions....

> the background
>    1、Linux fs has   /nfsmnt/work_pub/web and /nfsmnt/work_inwork/web ，they use NFS V3 mount
>    2、there is many process will read and write files in the dir /nfsmnt/work_pub/web 
>    3、cron will del  all files in dir  /nfsmnt/work_pub/web in period，and will copy all the files which in the dir /nfsmnt/work_inwork/web 
> 
> in some times delete all files in  /nfsmnt/work_pub/web will faild ,because there is some .nfsXXXX
> 
> 
> 
> My question is :can i modify nfs_sillyrename funncion  in the fs/nfs/dir.c , general all .nfsXXX in /tmp,and make kernel ?
> 
NACK.


-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@...app.com
www.netapp.com