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Date: Tue, 26 Feb 2008 18:38:19 +0100 From: Jörn Engel <joern@...fs.org> To: Jamie Lokier <jamie@...reable.org> Cc: Jörn Engel <joern@...fs.org>, Nick Piggin <nickpiggin@...oo.com.au>, 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() On Tue, 26 February 2008 17:29:13 +0000, Jamie Lokier wrote: > > You're right. Though, doesn't normal page writeback enqueue the COW > metadata changes? If not, how do they get written in a timely > fashion? It does. But this is not sufficient to guarantee that the pages in question have been safely committed to the device by the time sync_file_range() has returned. Jörn -- Joern's library part 5: http://www.faqs.org/faqs/compression-faq/part2/section-9.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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