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-rw-r--r--sys/geom/geom_disk.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/geom/geom_disk.h b/sys/geom/geom_disk.h
index 09194c0..948c664 100644
--- a/sys/geom/geom_disk.h
+++ b/sys/geom/geom_disk.h
@@ -113,6 +113,11 @@ struct disk {
#define DISKFLAG_DIRECT_COMPLETION 0x20
#define DISKFLAG_LACKS_ROTRATE 0x40
+#define DISK_RR_UNKNOWN 0
+#define DISK_RR_NON_ROTATING 1
+#define DISK_RR_MIN 0x0401
+#define DISK_RR_MAX 0xfffe
+
struct disk *disk_alloc(void);
void disk_create(struct disk *disk, int version);
void disk_destroy(struct disk *disk);
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