sd: implement ->get_unique_id

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Add the method to query for a uniqueue ID of a given type by looking
it up in the cached device identification VPD page.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2021-10-21 08:06:02 +02:00 • committed by Jens Axboe

parent 9208d41497

commit b83ce214af

1 changed files with 39 additions and 0 deletions

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drivers/scsi/sd.c

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