Messages in this thread | | | Date | Mon, 2 May 2016 18:21:57 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH 2/2] zram: user per-cpu compression streams |
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On (05/02/16 17:28), Minchan Kim wrote: [..] > > aha... I misunderstood you. I thought you talked about the test results > > in particular, not about zram stats in general. hm, given that we don't > > close the door for 'idle compression streams list' yet, and may revert > > per-cpu streams, may be we can introduce this stat in 4.8? otherwise, in > > the worst case, we will have to trim a user visible stat file once again > > IF we, for some reason, will decide to return idle list back (hopefully > > we will not). does it sound OK to you to not touch the stat file now? > > My concern is how we can capture such regression without introducing > the stat of recompression? Do you have an idea? :)
...hm... inc ->failed_writes?
... or as a dirty and ugly and illegal (read "undocumented") hack, we probably can use ->failed_reads for that purpose. simply because I don't think any one has ever seen ->failed_reads != 0.
-ss
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