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Re: XFS "lockfs" Functionality

To: "Browning, Jeff" <jeff.browning@netapp.com>
Subject: Re: XFS "lockfs" Functionality
From: Nathan Straz <nstraz@sgi.com>
Date: Wed, 15 Jan 2003 13:27:59 -0600
Cc: "'linux-xfs@oss.sgi.com'" <linux-xfs@oss.sgi.com>
In-reply-to: <B80BB115B1994D4BABC1B81FFFA1CAC7014271B4@rtpexc01.hq.netapp.com>
Mail-followup-to: "Browning, Jeff" <jeff.browning@netapp.com>,"'linux-xfs@oss.sgi.com'" <linux-xfs@oss.sgi.com>
References: <B80BB115B1994D4BABC1B81FFFA1CAC7014271B4@rtpexc01.hq.netapp.com>
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On Wed, Jan 15, 2003 at 11:21:34AM -0800, Browning, Jeff wrote:
> 1.     Flush all data in the local file system buffer cache to disk
> (effectively a synchronous sync); 
> 2.     Halt all pending I/O to the file system until unlockfs is
> issued. (If the file system is mounted hard, all processes attempting
> to access the file system simply hang for this period.) 

man xfs_freeze

-- 
Nate Straz                                              nstraz@sgi.com
sgi, inc                                           http://www.sgi.com/
Linux Test Project                                  http://ltp.sf.net/

References:
- XFS "lockfs" Functionality
  - From: "Browning, Jeff" <jeff.browning@netapp.com>

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