+/*
+ * BCH_IOCTL_DISK_RESIZE_JOURNAL: resize journal on a device
+ *
+ * @dev - member to resize
+ * @nbuckets - new number of buckets
+ */
+struct bch_ioctl_disk_resize_journal {
+ __u32 flags;
+ __u32 pad;
+ __u64 dev;
+ __u64 nbuckets;
+};
+
+struct bch_ioctl_subvolume {
+ __u32 flags;
+ __u32 dirfd;
+ __u16 mode;
+ __u16 pad[3];
+ __u64 dst_ptr;
+ __u64 src_ptr;
+};
+
+#define BCH_SUBVOL_SNAPSHOT_CREATE (1U << 0)
+#define BCH_SUBVOL_SNAPSHOT_RO (1U << 1)
+