diff options
| author | Damien Le Moal <damien.lemoal@wdc.com> | 2017-01-12 07:25:11 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-01-17 20:06:22 +0100 |
| commit | 68af412c7713b55c01ffc4312320abd10ca70e77 (patch) | |
| tree | 95e1d382c0115be6c7ccfdbbcabd0182f2f2aa69 /drivers/scsi/sd.c | |
| parent | scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type (diff) | |
| download | linux-68af412c7713b55c01ffc4312320abd10ca70e77.tar.xz linux-68af412c7713b55c01ffc4312320abd10ca70e77.zip | |
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: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 28713d36050e..ebb1ccef7943 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2784,13 +2784,21 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, q); } - sdkp->zoned = (buffer[8] >> 4) & 3; - if (sdkp->zoned == 1) - q->limits.zoned = BLK_ZONED_HA; - else if (sdkp->device->type == TYPE_ZBC) + if (sdkp->device->type == TYPE_ZBC) { + /* Host-managed */ q->limits.zoned = BLK_ZONED_HM; - else - q->limits.zoned = BLK_ZONED_NONE; + } else { + sdkp->zoned = (buffer[8] >> 4) & 3; + if (sdkp->zoned == 1) + /* Host-aware */ + q->limits.zoned = BLK_ZONED_HA; + 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"); |