linux-kernel - RE: [PATCH v3 0/4] Re-use device management code fragments

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Date: Sat, 23 Mar 2024 10:06:17 +0000
From: Avri Altman <Avri.Altman@....com>
To: Avri Altman <Avri.Altman@....com>, "James E . J . Bottomley"
	<jejb@...ux.ibm.com>, "Martin K . Petersen" <martin.petersen@...cle.com>
CC: Bart Van Assche <bvanassche@....org>, Bean Huo <beanhuo@...ron.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 0/4] Re-use device management code fragments

Martin,
Can you take a look at this?
I have a follow-up series waiting.

Thanks,
Avri

> v2->v3:
>  - 2/4 - Clarify commit log (Bean)
>  - 4/4 - pass cmd_type to ufshcd_prepare_req_desc_hdr (Bean)
> 
> v1->v2:
>  - Attend Bart's comments
> 
> 
> Device management commands are constructed for query commands that are
> being issued by the driver, but also for raw device management commands
> originated by the bsg module, and recently, by the advanced rpmb handler.
> Thus, the same code fragments, e.g. locking, composing the command,
> composing the upiu etc., appear over and over. Remove those duplications.
> Theoretically, there should be no functional change.
> 
> Avri Altman (4):
>   scsi: ufs: Re-use device management locking code
>   scsi: ufs: Re-use exec_dev_cmd
>   scsi: ufs: Re-use compose_dev_cmd
>   scsi: ufs: Re-use compose_devman_upiu
> 
>  drivers/ufs/core/ufshcd.c | 204 ++++++++++++++++----------------------
>  include/ufs/ufshci.h      |   2 +-
>  2 files changed, 87 insertions(+), 119 deletions(-)
> 
> --
> 2.42.0