Hi Fengguang,
On Friday, 9. June 2006 10:08, Wu Fengguang wrote:
> Backoff readahead size exponentially on I/O error.
> With this patch, retries are expected to be reduced from, say, 256, to 5.
1. Would you mind to push this patch to -stable?
Reason: If killing a drive was hit in the field, this should be critical
enough.
2. Could you disable (at least optionally) read ahead complety
on the first IO error?
Reason: In a data recovery situation (hitting EIO quite often,
but not really sequentially) readahead is counter productive.
E.g. trying to save an old CD with the cdparanoia software.
Regards
Ingo Oeser
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