Unrelated question and threading (was: Bisected: Kernel 4.14 + has 3 times higher write IO latency than Kernel 4.4 with raid1)

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To: Rick Nilsson <riccardofarabia@xxxxxxxxx>, NeilBrown <neilb@xxxxxxxx>, Jinpu Wang <jinpu.wang@xxxxxxxxxxxxxxx>, linux-raid <linux-raid@xxxxxxxxxxxxxxx>
Subject: Unrelated question and threading (was: Bisected: Kernel 4.14 + has 3 times higher write IO latency than Kernel 4.4 with raid1)
From: Paul Menzel <pmenzel@xxxxxxxxxxxxx>
Date: Tue, 6 Aug 2019 09:03:09 +0200
Cc: Alexandr Iarygin <alexandr.iarygin@xxxxxxxxxxxxxxx>, Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <6a1dcbe6e3ddb03912f8904a368d40c09dd22bd1.camel@gmail.com>
References: <CAMGffEkotpvVz8FA78vNFh0qZv3kEMNrXXfVPEUC=MhH0pMCZA@mail.gmail.com> <0a83fde3-1a74-684c-0d70-fb44b9021f96@molgen.mpg.de> <CAMGffE=_kPoBmSwbxvrqdqbhpR5Cu2Vbe4ArGqm9ns9+iVEH_g@mail.gmail.com> <CAMGffEkcXcQC+kjwdH0iVSrFDk-o+dp+b3Q1qz4z=R=6D+QqLQ@mail.gmail.com> <87h86vjhv0.fsf@notabene.neil.brown.name> <6a1dcbe6e3ddb03912f8904a368d40c09dd22bd1.camel@gmail.com>
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Dear Rick,

It looks like your message is unrelated to the thread at hand.Therefore, please start a new thread by *not* using the reply feature,but create a new message in your mail program (MUA).


Please read some mailing list etiquettes on the Web like [1].


Kind regards,

Paul


[1]: https://wiki.openstack.org/wiki/MailingListEtiquette

References:
- Kernel 4.14 + has 100 times higher IO latency than Kernel 4.4 with raid1
  - From: Jinpu Wang
- Re: Kernel 4.14 + has 100 times higher IO latency than Kernel 4.4 with raid1
  - From: Paul Menzel
- Re: Kernel 4.14 + has 100 times higher IO latency than Kernel 4.4 with raid1
  - From: Jinpu Wang
- Bisected: Kernel 4.14 + has 3 times higher write IO latency than Kernel 4.4 with raid1
  - From: Jinpu Wang
- Re: Bisected: Kernel 4.14 + has 3 times higher write IO latency than Kernel 4.4 with raid1
  - From: NeilBrown
- Re: Bisected: Kernel 4.14 + has 3 times higher write IO latency than Kernel 4.4 with raid1
  - From: riccardofarabia

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