linux-kernel - RE: [PATCH 7/8] scsi: ufshpb: Add "Cold" regions timer

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Message-ID: <BL0PR04MB65646C5FFAAE64B428937ADEFCB79@BL0PR04MB6564.namprd04.prod.outlook.com>
Date:   Sun, 31 Jan 2021 07:30:39 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bart Van Assche <bvanassche@....org>,
        yongmyung lee <ymhungry.lee@...sung.com>,
        Daejun Park <daejun7.park@...sung.com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        Zang Leigang <zangleigang@...ilicon.com>,
        Avi Shchislowski <Avi.Shchislowski@....com>,
        Bean Huo <beanhuo@...ron.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>
Subject: RE: [PATCH 7/8] scsi: ufshpb: Add "Cold" regions timer

> > +     /* region "cold" timer - for host mode */
> > +     ktime_t read_timeout;
> > +     atomic_t read_timeout_expiries;
> 
> Why does this have to be an atomic when you have a lock to protect this
> structure already taken?
Done.

You are right, it is protected by the hpb state lock.  Will fix it.

Thanks,
Avri