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-rw-r--r--ioctl.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/ioctl.h b/ioctl.h
index 6670e08..023ca4c 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -281,6 +281,13 @@ struct btrfs_ioctl_logical_ino_args {
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
struct btrfs_ioctl_vol_args)
+
+struct btrfs_ioctl_clone_range_args {
+ __s64 src_fd;
+ __u64 src_offset, src_length;
+ __u64 dest_offset;
+};
+
/* trans start and trans end are dangerous, and only for
* use by applications that know how to avoid the
* resulting deadlocks
@@ -296,7 +303,8 @@ struct btrfs_ioctl_logical_ino_args {
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
struct btrfs_ioctl_vol_args)
-/* 13 is for CLONE_RANGE */
+#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
+ struct btrfs_ioctl_clone_range_args)
#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \