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SubjectRe: [PATCH IMPROVEMENT] block, bfq: limit sectors served with interactive weight raising
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On Thu, 28 Dec 2017 15:00:56 +0100, Holger Hoffstätte wrote:

> On 12/28/17 12:19, Paolo Valente wrote:
> (snip half a tech report ;)
>
> So either this or the previous patch ("limit tags for writes and async I/O"
> can lead to a hard, unrecoverable hang with heavy writes. Since I couldn't
> log into the affected system anymore I couldn't get any stack traces, blk-mq
> debug output etc. but there was nothing in dmesg/on the console, so it
> wasn't a BUG/OOPS.

So this turned out to be something else, sorry for the false alarm.

-h


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