Btrfs: add new defrag-range ioctl.

[karo-tx-linux.git] / fs / btrfs / file.c

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 413a30dafcdacaf62419f89c4be10b64c66926a1..a7fd9f3a750abe05ebd586e6db1dfda729a64aff 100644 (file)
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -720,13 +720,15 @@ again:
                                        inode->i_ino, orig_offset);
                BUG_ON(ret);
        }
-       fi = btrfs_item_ptr(leaf, path->slots[0],
-                          struct btrfs_file_extent_item);
        if (del_nr == 0) {
+               fi = btrfs_item_ptr(leaf, path->slots[0],
+                          struct btrfs_file_extent_item);
                btrfs_set_file_extent_type(leaf, fi,
                                           BTRFS_FILE_EXTENT_REG);
                btrfs_mark_buffer_dirty(leaf);
        } else {
+               fi = btrfs_item_ptr(leaf, del_slot - 1,
+                          struct btrfs_file_extent_item);
                btrfs_set_file_extent_type(leaf, fi,
                                           BTRFS_FILE_EXTENT_REG);
                btrfs_set_file_extent_num_bytes(leaf, fi,