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scsi: sd: Signal drive managed SMR disks 

Print a message indicating that a disk is a drive-managed SMR model when
such drive is found using the ZONED field of the Block Device
Characteristics VPD page (IDENTIFY data on ATA side).

[mkp: typo]

Link: https://lore.kernel.org/r/20200514081953.1252087-1-damien.lemoal@wdc.com
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Damien Le Moal 2020-05-14 17:19:53 +09:00 committed by Martin K. Petersen
parent 21d2b76831
commit 0bd735df76
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/sd.c
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@ -2955,6 +2955,9 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
* with partitions as regular block devices.
*/
q->limits.zoned = BLK_ZONED_NONE;
if (sdkp->zoned == 2 && sdkp->first_scan)
sd_printk(KERN_NOTICE, sdkp,
"Drive-managed SMR disk\n");
}
}
if (blk_queue_is_zoned(q) && sdkp->first_scan)