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Commit 68af412c authored by Damien Le Moal's avatar Damien Le Moal Committed by Martin K. Petersen
Browse files

scsi: sd: Ignore zoned field for host-managed devices 



There is no good match of the zoned field of the block device
characteristics page for host-managed devices. For these devices, the
zoning model is derived directly from the device type. So ignore the
zoned field for these drives.

[mkp: typo]

Signed-off-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 26f28197

drivers/scsi/sd.c

+14 −6
Original line number Diff line number Diff line
@@ -2784,13 +2784,21 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) 
		queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, q);

	}



	if (sdkp->device->type == TYPE_ZBC) {

		/* Host-managed */

		q->limits.zoned = BLK_ZONED_HM;

	} else {

		sdkp->zoned = (buffer[8] >> 4) & 3;

		if (sdkp->zoned == 1)

			/* Host-aware */

			q->limits.zoned = BLK_ZONED_HA;

	else if (sdkp->device->type == TYPE_ZBC)

		q->limits.zoned = BLK_ZONED_HM;

		else

			/*

			 * Treat drive-managed devices as

			 * regular block devices.

			 */

			q->limits.zoned = BLK_ZONED_NONE;

	}

	if (blk_queue_is_zoned(q) && sdkp->first_scan)

		sd_printk(KERN_NOTICE, sdkp, "Host-%s zoned block device\n",

		      q->limits.zoned == BLK_ZONED_HM ? "managed" : "aware");