linux-kernel - RE: [PATCH v3 4/6] scsi: ufshpb: Change sysfs node hpb_stats/rb_* prefix to start with rcmd

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Date:   Mon, 25 Apr 2022 06:19:15 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Bean Huo <huobean@...il.com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>,
        "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        "keosung.park@...sung.com" <keosung.park@...sung.com>,
        "peter.wang@...iatek.com" <peter.wang@...iatek.com>,
        "powen.kao@...iatek.com" <powen.kao@...iatek.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 v3 4/6] scsi: ufshpb: Change sysfs node hpb_stats/rb_*
 prefix to start with rcmd_*

> From: Bean Huo <beanhuo@...ron.com>
> 
> According to the documentation of the sysfs nodes rb_noti_cnt, rb_active_cnt
> and rb_inactive_cnt, they are all related to HPB recommendation in UPIU
> response packet. I don't know what 'rb' refers to, I think 'rcmd'
> (recommendation) should be the correct abbreviation.
rb stands for READ-BUFFER

> 
> Change the sysfs documentation about these sysfs nodes to highlight what
> they mean under different HPB control modes.
> 
> Signed-off-by: Bean Huo <beanhuo@...ron.com>
I don't think it is allowed to change the kernel's ABI.

Thanks,
Avri