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authorDamien Le Moal <damien.lemoal@wdc.com>2020-05-14 17:19:53 +0900
committerMartin K. Petersen <martin.petersen@oracle.com>2020-05-14 20:48:53 -0400
commit0bd735df7681e41647a69b1fad0eb5594c60a727 (patch)
tree045f07bbe51f635467393f06ebad1a6f514cb98a /drivers/scsi/sd.c
parent21d2b76831fdee3754eeee995e15080098603ec5 (diff)
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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>
Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c3
1 files changed, 3 insertions, 0 deletions
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)