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ext4 and data loss

ext4 and data loss

Posted Mar 13, 2009 0:49 UTC (Fri) by quotemstr (subscriber, #45331)
In reply to: ext4 and data loss by nix
Parent article: ext4 and data loss

They're only out of order from the point of view of a system recovering from a crash. Otherwise, there'd be an even larger furor. :-) I think the way rename is used, it was always intended to have barrier semantics, and sane filesystems should respect that intent.

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ext4 and data loss

Posted Mar 13, 2009 7:58 UTC (Fri) by nix (subscriber, #2304) [Link]

Strongly seconded. I suppose nothing is ever really *guaranteed* about
post-crash state, so this is merely a QoI, but an important one.

(Memories of the Algol 68 standard, I think it was, going to some lengths
to define the behaviour of the system under unspecified circumstances in
which the power was cut, which were meant to include things like

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