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From: Keith Busch <kbusch@kernel.org>
To: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, linux-ide@vger.kernel.org,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH v8 0/5] Initial support for multi-actuator HDDs
Date: Tue, 26 Oct 2021 18:34:29 -0600	[thread overview]
Message-ID: <20211027003429.GA88860@C02WT3WMHTD6> (raw)
In-Reply-To: <20210909023545.1101672-1-damien.lemoal@wdc.com>

On Thu, Sep 09, 2021 at 11:35:40AM +0900, Damien Le Moal wrote:
> Single LUN multi-actuator hard-disks are cappable to seek and execute
> multiple commands in parallel. This capability is exposed to the host
> using the Concurrent Positioning Ranges VPD page (SCSI) and Log (ATA).
> Each positioning range describes the contiguous set of LBAs that an
> actuator serves.
> 
> This series adds support to the scsi disk driver to retreive this
> information and advertize it to user space through sysfs. libata is
> also modified to handle ATA drives.

This looks good, and easy for user space to make optimizations.

Reviewed-by: Keith Busch <kbusch@kernel.org>

  parent reply	other threads:[~2021-10-27  0:34 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-09  2:35 Damien Le Moal
2021-09-09  2:35 ` [PATCH v8 1/5] block: Add independent access ranges support Damien Le Moal
2021-09-09  5:59   ` Hannes Reinecke
2021-09-09  2:35 ` [PATCH v8 2/5] scsi: sd: add concurrent positioning " Damien Le Moal
2021-09-09  6:00   ` Hannes Reinecke
2021-09-09  2:35 ` [PATCH v8 3/5] libata: support concurrent positioning ranges log Damien Le Moal
2021-09-09  2:35 ` [PATCH v8 4/5] doc: document sysfs queue/independent_access_ranges attributes Damien Le Moal
2021-09-09  2:35 ` [PATCH v8 5/5] doc: Fix typo in request queue sysfs documentation Damien Le Moal
2021-09-14  0:38 ` [PATCH v8 0/5] Initial support for multi-actuator HDDs Damien Le Moal
2021-09-27  9:17 ` Damien Le Moal
2021-09-29  3:55 ` Martin K. Petersen
2021-10-11  7:50 ` Damien Le Moal
2021-10-11 11:28   ` Tim Walker
2021-10-15  8:20   ` Damien Le Moal
2021-10-27  0:34 ` Keith Busch [this message]
2021-10-27  0:45 ` Jens Axboe
2021-10-27  0:49   ` Damien Le Moal

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