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Re: TAKE - enable -o sync for xfs

To: Joshua Baker-LePain <jlb17@xxxxxxxx>
Subject: Re: TAKE - enable -o sync for xfs
From: Steve Lord <lord@xxxxxxx>
Date: 11 Jun 2002 15:18:56 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.44.0206111614020.3530-100000@chaos.egr.duke.edu>
References: <Pine.LNX.4.44.0206111614020.3530-100000@chaos.egr.duke.edu>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Tue, 2002-06-11 at 15:15, Joshua Baker-LePain wrote:
> On Tue, 11 Jun 2002 at 3:10pm, Steve Lord wrote
> 
> > This will make xfs obey the -o sync mount option for writes. If you
> > want metadata to be synchronous too then add the wsync mount option.
> 
> Is wsync documented anywhere?  I don't see it in mount(8) or 
> Documentation/filesystems/xfs.txt.

Hmm, it really should be somewhere. Looks like the source
code is it on Linux now. From the Irix man page:

     wsync     All operations that modify the filesystem are synchronous
               except for writes to user files (e.g. create, unlink, mv,
               truncate, etc.).  This option can be used in conjunction with
               exporting a filesystem -wsync to obtain NFS write-synchronous
               semantics, if so desired.  See exports(4) for further
               information.


Steve

-- 

Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx


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