linux-kernel - Re: Linux 2.6.29

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Date:	Tue, 31 Mar 2009 23:35:17 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Bojan Smojver <bojan@...ursive.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Linux 2.6.29

Bojan Smojver wrote:
> On Wed, 2009-04-01 at 09:30 +1100, Bojan Smojver wrote:
>   
>> I have no idea why we don't have that either. FreeBSD code seems
>> really straightforward.
>>     
>
> I just tried using dd with conv=fsync option and that kinda does what
> you mentioned. I see this at the end of strace:
> ---------------------------------
> write(1, "<some data...>"..., 512) = 512
> read(0, ""..., 512)                = 0
> fsync(1)                           = 0
> close(0)                           = 0
> close(1)                           = 0
> ---------------------------------
>
> So, maybe GNU folks just don't want to have yet another tool for this.
>   

Huh, didn't know dd had grown that.  Confusingly similar to the 
completely different conv=sync, so its a perfect dd addition.  Ooh, 
fdatasync too.

    J
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