From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
Chuck Lever <chuck.lever@oracle.com>,
linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
target-devel@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: [PATCH 1/7] block: add a ->get_unique_id method
Date: Thu, 21 Oct 2021 15:34:27 +0200 [thread overview]
Message-ID: <0acbd09c-6c31-3413-2fb1-9d15f2ee6201@suse.de> (raw)
In-Reply-To: <20211021060607.264371-2-hch@lst.de>
On 10/21/21 8:06 AM, Christoph Hellwig wrote:
> Add a method to query unique IDs from block devices. It will be used to
> remove code that deeply pokes into SCSI internals in the NFS server.
> The implementation in the sd driver itself is also much nicer as it can
> use the cached VPD page instead of always sending a command as the
> current NFS code does.
>
> For now the interface is kept very minimal but could be easily
> extended when other users like a block-layer sysfs interface for
> uniquue IDs shows up.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> include/linux/blkdev.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
next prev parent reply other threads:[~2021-10-21 13:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 6:06 remove QUEUE_FLAG_SCSI_PASSTHROUGH v3 Christoph Hellwig
2021-10-21 6:06 ` [PATCH 1/7] block: add a ->get_unique_id method Christoph Hellwig
2021-10-21 13:34 ` Hannes Reinecke [this message]
2021-10-21 6:06 ` [PATCH 2/7] sd: implement ->get_unique_id Christoph Hellwig
2021-10-21 13:34 ` Hannes Reinecke
2021-10-21 6:06 ` [PATCH 3/7] nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands Christoph Hellwig
2021-10-21 6:06 ` [PATCH 4/7] bsg-lib: initialize the bsg_job in bsg_transport_sg_io_fn Christoph Hellwig
2021-10-21 6:06 ` [PATCH 5/7] scsi: add a scsi_alloc_request helper Christoph Hellwig
2021-10-21 6:06 ` [PATCH 6/7] block: remove the initialize_rq_fn blk_mq_ops method Christoph Hellwig
2021-10-21 6:06 ` [PATCH 7/7] block: remove QUEUE_FLAG_SCSI_PASSTHROUGH Christoph Hellwig
2021-10-22 14:34 ` remove QUEUE_FLAG_SCSI_PASSTHROUGH v3 Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2021-10-19 7:54 remove QUEUE_FLAG_SCSI_PASSTHROUGH v2 Christoph Hellwig
2021-10-19 7:54 ` [PATCH 1/7] block: add a ->get_unique_id method Christoph Hellwig
2021-10-20 3:47 ` Martin K. Petersen
2021-10-12 12:04 remove QUEUE_FLAG_SCSI_PASSTHROUGH Christoph Hellwig
2021-10-12 12:04 ` [PATCH 1/7] block: add a ->get_unique_id method Christoph Hellwig
2021-10-12 17:03 ` Bart Van Assche
2021-10-14 7:31 ` Hannes Reinecke
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