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>
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 708778c..8474b5ba 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -45,6 +45,7 @@
unsigned int openers; /* protected by BKL for now, yuck */
sector_t capacity; /* size in 512-byte sectors */
u32 index;
+ unsigned short hw_sector_size;
u8 media_present;
u8 write_prot;
u8 protection_type;/* Data Integrity Field */