From 0bd735df7681e41647a69b1fad0eb5594c60a727 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Thu, 14 May 2020 17:19:53 +0900 Subject: [PATCH] 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 Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/sd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a793cb08d0256..8929e178c6f85 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) -- 2.30.2