linux-kernel - Re: [RESEND PATCH] scsi: ufs: sysfs: support writing boot

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Message-ID: <a4746c67-fa74-8af1-3f2d-7853e9fae8a6@acm.org>
Date:   Sat, 4 Jun 2022 20:55:56 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Avri Altman <Avri.Altman@....com>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        "a5b6@...eup.net" <a5b6@...eup.net>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "James E . J . Bottomley" <jejb@...ux.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>
Cc:     "~postmarketos/upstreaming@...ts.sr.ht" 
        <~postmarketos/upstreaming@...ts.sr.ht>,
        "phone-devel@...r.kernel.org" <phone-devel@...r.kernel.org>
Subject: Re: [RESEND PATCH] scsi: ufs: sysfs: support writing boot_lun attr

On 6/1/22 10:05, Avri Altman wrote:
> As a design rule, sysfs attribute files should not be used to make
> persistent modifications to a device configuration. This rule applies
> to all subsystems and ufs is no different.

Hmm ... where does that rule come from? I can't find it in
Documentation/admin-guide/sysfs-rules.rst. Did I perhaps overlook something?

Thanks,

Bart.