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Diffstat (limited to 'include/uapi/linux/dm-ioctl.h')
-rw-r--r--include/uapi/linux/dm-ioctl.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h
index fcff6669137b..e5c6e458bdf7 100644
--- a/include/uapi/linux/dm-ioctl.h
+++ b/include/uapi/linux/dm-ioctl.h
@@ -193,8 +193,22 @@ struct dm_name_list {
__u32 next; /* offset to the next record from
the _start_ of this */
char name[0];
+
+ /*
+ * The following members can be accessed by taking a pointer that
+ * points immediately after the terminating zero character in "name"
+ * and aligning this pointer to next 8-byte boundary.
+ * Uuid is present if the flag DM_NAME_LIST_FLAG_HAS_UUID is set.
+ *
+ * __u32 event_nr;
+ * __u32 flags;
+ * char uuid[0];
+ */
};
+#define DM_NAME_LIST_FLAG_HAS_UUID 1
+#define DM_NAME_LIST_FLAG_DOESNT_HAVE_UUID 2
+
/*
* Used to retrieve the target versions
*/
@@ -272,9 +286,9 @@ enum {
#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
#define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 44
+#define DM_VERSION_MINOR 45
#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2021-02-01)"
+#define DM_VERSION_EXTRA "-ioctl (2021-03-22)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */