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SubjectRe: [PATCH] scsi: ufs: support IO traces for zoned block device
On Mon, Feb 27, 2023 at 03:15:51PM -0800, Jaegeuk Kim wrote:
> On 02/15, Christoph Hellwig wrote:
> > 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".
>
> I'm not sure how all the other vendors use the trace tho, at least to me,
> it's quite useful when debugging any UFS-specific information such as
> group_id

The group ID isn't even ever set, how can it be useful to you?

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