On Mon, 2016-11-28 at 19:32 +0100, Goffredo Baroncelli wrote: > I am assuming that a corruption is a quite rare event. So > occasionally it could happens that a page is corrupted and the system > corrects it. This shouldn't have an impact on the workloads.
Probably, but it still make sense to make it configurable, especially as an option like this would be needed to make a btrfs truly non- writing to the device again... The ro mount option just says that the files/permissions/etc. don't change - not that any internas doesn't change, so it would IMO be an abuse if ro would be used to disable repairs. And some people simply may want that - and if it's just to rule out the possibility of corruptions on a ro-fs in case of bad memory ;) Cheers, Chris.
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