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List: debian-user
Subject: Re: file systems
From: "Boyd Stephen Smith Jr." <bss () iguanasuicide ! net>
Date: 2011-05-02 22:09:46
Message-ID: 201105021709.46358.bss () iguanasuicide ! net
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In <201105021602.50060.bss@iguanasuicide.net>, Boyd Stephen Smith Jr. wrote:
>They are also essential for any journaled filesystem to have correct
>behavior in the face of sudden pwoer loss. Barriers ensure, (e.g.) that
>the journal entry creating a file is flushed to the backing store before
>the journal entry. Or, that the journal entry
...evidently, I didn't finish writing this.
It ensures the record of a file's creation precedes records of writing to that
file. It also ensures that the record of a link precedes a unlink-and-link.
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