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From: Jamie Lokier <jamie@shareable.org>
To: Jeff Garzik <jeff@garzik.org>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Chris Wedgwood <cw@f00f.org>
Subject: Re: Proposal for "proper" durable fsync() and fdatasync()
Date: Tue, 26 Feb 2008 09:25:37 +0000	[thread overview]
Message-ID: <20080226092536.GA9213@shareable.org> (raw)
In-Reply-To: <47C3C33F.1070908@garzik.org>

Jeff Garzik wrote:
> [snip huge long proposal]
> 
> Rather than invent new APIs, we should fix the existing ones to _really_ 
> flush data to physical media.

Btw, one reason for the length is the current block request API isn't
sufficient even to make fsync() durable with _no_ new APIs.

It offers ordering barriers only, which aren't enough.  I tried to
explain, discuss some changes and then suggest optimisations.

-- Jamie

  parent reply	other threads:[~2008-02-26  9:25 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-26  7:26 Proposal for "proper" durable fsync() and fdatasync() Jamie Lokier
2008-02-26  7:43 ` Andrew Morton
2008-02-26  7:59   ` Jamie Lokier
2008-02-26  9:16     ` Nick Piggin
2008-02-26 14:09       ` Jörn Engel
2008-02-26 15:07         ` Jamie Lokier
2008-02-26 16:27           ` Andrew Morton
2008-02-26 15:28         ` Jamie Lokier
2008-02-26 17:02           ` Jörn Engel
2008-02-26 17:29             ` Jamie Lokier
2008-02-26 17:38               ` Jörn Engel
2008-02-26 16:43       ` Jeff Garzik
2008-02-26 17:00         ` Jamie Lokier
2008-02-26 17:54           ` Jeff Garzik
2008-02-27 14:16             ` Jamie Lokier
2008-02-26  7:43 ` Jeff Garzik
2008-02-26  7:55   ` Jamie Lokier
2008-02-26  9:25   ` Jamie Lokier [this message]
2008-02-26 12:13   ` Ric Wheeler
2008-02-26 15:43     ` Jamie Lokier
2008-11-24 21:10       ` Sachin Gaikwad
2008-11-25 10:17         ` Jamie Lokier

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