Eric Anopolsky wrote:
On Tue, 2008-10-21 at 09:59 -0400, Chris Mason wrote:
- power loss at any time must not corrupt the fs (atomic fs modification)
(new-data loss is acceptable)
Done. Btrfs already uses barriers as required for sata drives.
Aren't there situations in which write barriers don't do what they're
supposed to do?
Cheers,
Eric
If the drive effectively "lies" to you about flushing the write cache,
you might have an issue. I have not seen that first hand with recent
disk drives (and I have seen a lot :-))
Ric
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