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Date:   Sun, 2 Aug 2020 20:12:03 -0700
From:   Bart Van Assche <>
To:     Can Guo <>
Cc:     Stanley Chu <>,
        Avri Altman <>,,,,,,,,,,,,,,,,
Subject: Re: [PATCH v4] scsi: ufs: Cleanup completed request without interrupt

On 2020-07-31 16:17, Can Guo wrote:
> For scsi_dma_unmap() part, that is true - we should make it serialized with
> any other completion paths. I've found it during my fault injection test, so
> I've made a patch to fix it, but it only comes in my next error recovery
> enhancement patch series. Please check the attachment.

Hi Can,

It is not clear to me how that patch serializes scsi_dma_unmap() against
other completion paths? Doesn't the regular completion path call
__ufshcd_transfer_req_compl() without holding the host lock?



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