linux-kernel - Re: Proposal for "proper" durable fsync() and fdatasync()

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Message-ID: <47C441C1.5060305@garzik.org>
Date:	Tue, 26 Feb 2008 11:43:45 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
CC:	Jamie Lokier <jamie@...reable.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Chris Wedgwood <cw@...f.org>
Subject: Re: Proposal for "proper" durable fsync() and fdatasync()

Nick Piggin wrote:
> Anyway, the idea of making fsync/fdatasync etc. safe by default is
> a good idea IMO, and is a bad bug that we don't do that :(

Agreed...  it's also disappointing that [unless I'm mistaken] you have 
to hack each filesystem to support barriers.

It seems far easier to make sync_blkdev() Do The Right Thing, and 
magically make all filesystems data-safe.

	Jeff


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