linux-kernel - Re: [PATCH] scsi: ufs: Fix proper API to send HPB pre-request

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Message-ID: <550eb8d6-2f9f-a7f1-e6b0-75380784d725@acm.org>
Date:   Wed, 27 Oct 2021 21:16:51 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     daejun7.park@...sung.com, ALIM AKHTAR <alim.akhtar@...sung.com>,
        "avri.altman@....com" <avri.altman@....com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "huobean@...il.com" <huobean@...il.com>,
        Keoseong Park <keosung.park@...sung.com>
Cc:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: Fix proper API to send HPB pre-request

On 10/27/21 15:36, Daejun Park wrote:
> This patch addresses the issue of using the wrong API to create a
> pre_request for HPB READ.
> HPB READ candidate that require a pre-request will try to allocate a
> pre-request only during request_timeout_ms (default: 0). Otherwise, it is
> passed as normal READ, so deadlock problem can be resolved.

Reviewed-by: Bart Van Assche <bvanassche@....org>