From: Damien Le Moal <damien.lemoal@wdc.com>
To: linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>
Subject: [PATCH] sd: Signal drive managed SMR disks
Date: Thu, 14 May 2020 17:19:53 +0900 [thread overview]
Message-ID: <20200514081953.1252087-1-damien.lemoal@wdc.com> (raw)
Print a message indicating that a disk is a drive-managed SMR model when
such drive is found using the ZONED filed of the Block Device
Characteristics VPD page (IDENTIFY data on ATA side).
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
---
drivers/scsi/sd.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a793cb08d025..8929e178c6f8 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -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)
--
2.25.4
next reply other threads:[~2020-05-14 8:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-14 8:19 Damien Le Moal [this message]
2020-05-14 8:24 ` [PATCH] sd: Signal drive managed SMR disks Johannes Thumshirn
2020-05-15 1:10 ` Martin K. Petersen
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