Re: block: Fix a WRITE SAME BUG_ON

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Subject: Re: block: Fix a WRITE SAME BUG_ON
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Wed, 13 Feb 2019 21:31:16 -0500
Cc: axboe@xxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, John Dorminy <jdorminy@xxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Heinz Mauelshagen <heinzm@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, dm-devel@xxxxxxxxxx, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Alasdair G Kergon <agk@xxxxxxxxxx>
In-reply-to: <d693e299-3c7d-b3cb-e8c7-a1f94bba4697@huawei.com> (zhangxiaoxu's message of "Tue, 12 Feb 2019 11:11:29 +0800")
Organization: Oracle Corporation
References: <20190125021107.4595-1-zhangxiaoxu5@huawei.com> <CAMeeMh_=UVGwo-=9WtBXRmiHTXnLAswqis97bM-aiuwnzPU0QQ@mail.gmail.com> <20190128221441.GA24102@redhat.com> <yq1lg34f4i7.fsf@oracle.com> <CAMeeMh85T_qui=LWd0u=b_oMN5XLqowqkvLuYGBM2Ae6tS-mzg@mail.gmail.com> <20190131103924.GA22503@infradead.org> <CAMeeMh-uxiee7rKutnr3jrMjzkc8=R2Y3DPPBLvLYjqSwjfi_w@mail.gmail.com> <20190201073527.GA14758@infradead.org> <CAMeeMh-wAZ8377sMrnyQZUt2HT1hB02DHSROJURLmPsaZPkeQQ@mail.gmail.com> <f7b05928-316c-4c73-b04b-bba38ea60b27@redhat.com> <20190201161803.GA21124@infradead.org> <d693e299-3c7d-b3cb-e8c7-a1f94bba4697@huawei.com>
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

zhangxiaoxu,

> Any progress about the problme?
> Should we disable the write same when stack the different LBA disks?

Yes, please.

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
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  - From: Zhang Xiaoxu
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- Re: block: Fix a WRITE SAME BUG_ON
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- Re: block: Fix a WRITE SAME BUG_ON
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- Re: block: Fix a WRITE SAME BUG_ON
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