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From: Neil Brown <neilb@cse.unsw.edu.au>
To: David Chow <davidchow@shaolinmicro.com>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: buffer head read/write
Date: Tue, 10 Dec 2002 11:36:26 +1100	[thread overview]
Message-ID: <15861.14090.224979.12485@notabene.cse.unsw.edu.au> (raw)
In-Reply-To: message from David Chow on Tuesday December 10

On Tuesday December 10, davidchow@shaolinmicro.com wrote:
> Hi all,
> 
> Is there a way to make sure I submit a buffer head read/write and make 
> sure it is commited immediately? (sychronized) . Please give direction 
> on examples in the kernel code? Thanks.

md does (or will) read/write it's super-blocks that way.
In 2.5, see drivers/md/md.c:sync_page_io
In 2.4, see
    http://cgi.cse.unsw.edu.au/~neilb/patches/linux-stable/2.4.leading/2002-12-09:01/005MDSyncIo

... I haven't submitted it yet.

NeilBrown

  parent reply	other threads:[~2002-12-10  0:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-09 16:25 buffer head read/write David Chow
2002-12-10  0:28 ` Bryan Henderson
2002-12-10  0:36 ` Neil Brown [this message]
2002-12-10 14:56   ` David Chow
2002-12-11  0:19     ` Bryan Henderson
2002-12-11 14:31       ` David Chow
2002-12-10 20:13 ` Andrew Morton

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