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Diffstat (limited to 'drivers/scsi/sd.h')
-rw-r--r--drivers/scsi/sd.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 47434f905b0a..d249933ba69e 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -99,6 +99,11 @@ struct scsi_disk {
u32 zones_optimal_open;
u32 zones_optimal_nonseq;
u32 zones_max_open;
+ /*
+ * Either zero or a power of two. If not zero it means that the offset
+ * between zone starting LBAs is constant.
+ */
+ u32 zone_starting_lba_gran;
u32 *zones_wp_offset;
spinlock_t zones_wp_offset_lock;
u32 *rev_wp_offset;