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-rw-r--r--sys/sys/mdioctl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/mdioctl.h b/sys/sys/mdioctl.h
index 82ac397530f3..5efae7908003 100644
--- a/sys/sys/mdioctl.h
+++ b/sys/sys/mdioctl.h
@@ -79,6 +79,7 @@ struct md_ioctl {
#define MDIOCDETACH _IOWR('m', 1, struct md_ioctl) /* detach disk */
#define MDIOCQUERY _IOWR('m', 2, struct md_ioctl) /* query status */
#define MDIOCLIST _IOWR('m', 3, struct md_ioctl) /* query status */
+#define MDIOCRESIZE _IOWR('m', 4, struct md_ioctl) /* resize disk */
#define MD_CLUSTER 0x01 /* Don't cluster */
#define MD_RESERVE 0x02 /* Pre-reserve swap */