Re: [PATCH V2 08/15] staging: unisys: visorhba: use sg helper to operate sgl

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH V2 08/15] staging: unisys: visorhba: use sg helper to operate sgl
From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 13 Jun 2019 11:52:14 +0200
Cc: linux-scsi@xxxxxxxxxxxxxxx, "Martin K . Petersen" <martin.petersen@xxxxxxxxxx>, Michael Schmitz <schmitzmic@xxxxxxxxx>, devel@xxxxxxxxxxxxxxxxxxxx, Hannes Reinecke <hare@xxxxxxxx>, Bart Van Assche <bvanassche@xxxxxxx>, James Smart <james.smart@xxxxxxxxxxxx>, "Ewan D . Milne" <emilne@xxxxxxxxxx>, Jim Gill <jgill@xxxxxxxxxx>, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Brian King <brking@xxxxxxxxxx>, Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>, "Juergen E . Fischer" <fischer@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>
In-reply-to: <20190613071335.5679-9-ming.lei@redhat.com>
User-agent: Mutt/1.12.0 (2019-05-25)

On Thu, Jun 13, 2019 at 03:13:28PM +0800, Ming Lei wrote:
> The current way isn't safe for chained sgl, so use sg helper to
> operate sgl.

I can not make any sense out of this changelog.

What "isn't safe"?  What is a "sgl"?

Can this be applied "out of order"?

confused,

greg k-h

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- [PATCH V2 00/15] scsi: use sg helper to operate sgl
  - From: Ming Lei
- [PATCH V2 08/15] staging: unisys: visorhba: use sg helper to operate sgl
  - From: Ming Lei

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