diff options
Diffstat (limited to 'drivers/scsi/sd.h')
| -rw-r--r-- | drivers/scsi/sd.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 4dac35e96a75..a2c4b5c35379 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -59,6 +59,13 @@ enum { SD_LBP_DISABLE, /* Discard disabled due to failed cmd */ }; +enum { + SD_ZERO_WRITE = 0, /* Use WRITE(10/16) command */ + SD_ZERO_WS, /* Use WRITE SAME(10/16) command */ + SD_ZERO_WS16_UNMAP, /* Use WRITE SAME(16) with UNMAP */ + SD_ZERO_WS10_UNMAP, /* Use WRITE SAME(10) with UNMAP */ +}; + struct scsi_disk { struct scsi_driver *driver; /* always &sd_template */ struct scsi_device *device; @@ -89,6 +96,7 @@ struct scsi_disk { u8 write_prot; u8 protection_type;/* Data Integrity Field */ u8 provisioning_mode; + u8 zeroing_mode; unsigned ATO : 1; /* state of disk ATO bit */ unsigned cache_override : 1; /* temp override of WCE,RCD */ unsigned WCE : 1; /* state of disk WCE bit */ |