Btrfs: Clone file data ioctl

Add a new ioctl to clone file data

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 9259aece6ed1..f537eb43c2c6 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -28,10 +28,10 @@
                                sizeof(struct btrfs_item) * 2) / \
                                BTRFS_CRC32_SIZE) - 1))
 int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
-                               struct btrfs_root *root,
-                               u64 objectid, u64 pos,
-                               u64 offset, u64 disk_num_bytes,
-                               u64 num_bytes)
+                             struct btrfs_root *root,
+                             u64 objectid, u64 pos,
+                             u64 disk_offset, u64 disk_num_bytes,
+                             u64 num_bytes, u64 offset)
 {
         int ret = 0;
         struct btrfs_file_extent_item *item;
@@ -53,9 +53,9 @@ int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
         leaf = path->nodes[0];
         item = btrfs_item_ptr(leaf, path->slots[0],
                               struct btrfs_file_extent_item);
-        btrfs_set_file_extent_disk_bytenr(leaf, item, offset);
+        btrfs_set_file_extent_disk_bytenr(leaf, item, disk_offset);
         btrfs_set_file_extent_disk_num_bytes(leaf, item, disk_num_bytes);
-        btrfs_set_file_extent_offset(leaf, item, 0);
+        btrfs_set_file_extent_offset(leaf, item, offset);
         btrfs_set_file_extent_num_bytes(leaf, item, num_bytes);
         btrfs_set_file_extent_generation(leaf, item, trans->transid);
         btrfs_set_file_extent_type(leaf, item, BTRFS_FILE_EXTENT_REG);