* [PATCH] sd: Signal drive managed SMR disks
@ 2020-05-14 8:19 Damien Le Moal
2020-05-14 8:24 ` Johannes Thumshirn
2020-05-15 1:10 ` Martin K. Petersen
0 siblings, 2 replies; 3+ messages in thread
From: Damien Le Moal @ 2020-05-14 8:19 UTC (permalink / raw)
To: linux-scsi, Martin K . Petersen
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] sd: Signal drive managed SMR disks
2020-05-14 8:19 [PATCH] sd: Signal drive managed SMR disks Damien Le Moal
@ 2020-05-14 8:24 ` Johannes Thumshirn
2020-05-15 1:10 ` Martin K. Petersen
1 sibling, 0 replies; 3+ messages in thread
From: Johannes Thumshirn @ 2020-05-14 8:24 UTC (permalink / raw)
To: Damien Le Moal, linux-scsi, Martin K . Petersen
Loos good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] sd: Signal drive managed SMR disks
2020-05-14 8:19 [PATCH] sd: Signal drive managed SMR disks Damien Le Moal
2020-05-14 8:24 ` Johannes Thumshirn
@ 2020-05-15 1:10 ` Martin K. Petersen
1 sibling, 0 replies; 3+ messages in thread
From: Martin K. Petersen @ 2020-05-15 1:10 UTC (permalink / raw)
To: Damien Le Moal, linux-scsi; +Cc: Martin K . Petersen
On Thu, 14 May 2020 17:19:53 +0900, Damien Le Moal wrote:
> 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).
Applied to 5.8/scsi-queue, thanks!
[1/1] scsi: sd: Signal drive managed SMR disks
https://git.kernel.org/mkp/scsi/c/0bd735df7681
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-05-14 8:19 [PATCH] sd: Signal drive managed SMR disks Damien Le Moal
2020-05-14 8:24 ` Johannes Thumshirn
2020-05-15 1:10 ` Martin K. Petersen
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