diff options
| author | Martin K. Petersen <martin.petersen@oracle.com> | 2009-05-23 11:43:37 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-06-21 11:52:37 -0400 |
| commit | ea09bcc9c298d3057270abd78a973fc678d55c4c (patch) | |
| tree | 35764eeb8325f03c29b2da115290c06c9f8303ab /drivers/scsi/sd.h | |
| parent | c277331d5fbaae5772ed19862feefa91f4e477d3 (diff) | |
sd: Physical block size and alignment support
Extract physical block size and lowest aligned LBA from READ
CAPACITY(16) response and adjust queue parameters.
Report physical block size and alignment when applicable.
[jejb: fix up trailing whitespace]
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/sd.h')
| -rw-r--r-- | drivers/scsi/sd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 708778cf5f06..8474b5bad3fe 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h | |||
| @@ -45,6 +45,7 @@ struct scsi_disk { | |||
| 45 | unsigned int openers; /* protected by BKL for now, yuck */ | 45 | unsigned int openers; /* protected by BKL for now, yuck */ |
| 46 | sector_t capacity; /* size in 512-byte sectors */ | 46 | sector_t capacity; /* size in 512-byte sectors */ |
| 47 | u32 index; | 47 | u32 index; |
| 48 | unsigned short hw_sector_size; | ||
| 48 | u8 media_present; | 49 | u8 media_present; |
| 49 | u8 write_prot; | 50 | u8 write_prot; |
| 50 | u8 protection_type;/* Data Integrity Field */ | 51 | u8 protection_type;/* Data Integrity Field */ |