linux-kernel - Re: [PATCH] scsi: ufs: support IO traces for zoned block device

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Message-ID: <Y+3GzX6yMOKUFTh3@infradead.org>
Date:   Wed, 15 Feb 2023 22:01:49 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Bart Van Assche <bvanassche@....org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Avri Altman <avri.altman@....com>,
        Bean Huo <beanhuo@...ron.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Can Guo <cang@...eaurora.org>, Jaegeuk Kim <jaegeuk@...gle.com>
Subject: Re: [PATCH] scsi: ufs: support IO traces for zoned block device

Why does UFS even have it's own common tracing instad of just relying
on the core SCSI one, and even worse pokes into command set specifics
which is a no-go for LLDDs.  This code simply needs to go away instead
of beeing "enhanced".