The file_offset parameter used to be passed to encoded read struct but
was removed in commit 
b665affe93d8 ("btrfs: remove unused members from
struct btrfs_encoded_read_private").
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 
 int btrfs_encoded_io_compression_from_extent(struct btrfs_fs_info *fs_info,
                                             int compress_type);
 int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode,
-                                         u64 file_offset, u64 disk_bytenr,
-                                         u64 disk_io_size,
+                                         u64 disk_bytenr, u64 disk_io_size,
                                          struct page **pages);
 ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter,
                           struct btrfs_ioctl_encoded_io_args *encoded);
 
 }
 
 int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode,
-                                         u64 file_offset, u64 disk_bytenr,
-                                         u64 disk_io_size, struct page **pages)
+                                         u64 disk_bytenr, u64 disk_io_size,
+                                         struct page **pages)
 {
        struct btrfs_fs_info *fs_info = inode->root->fs_info;
        struct btrfs_encoded_read_private priv = {
                goto out;
                }
 
-       ret = btrfs_encoded_read_regular_fill_pages(inode, start, disk_bytenr,
+       ret = btrfs_encoded_read_regular_fill_pages(inode, disk_bytenr,
                                                    disk_io_size, pages);
        if (ret)
                goto out;
 
         * Note that send_buf is a mapping of send_buf_pages, so this is really
         * reading into send_buf.
         */
-       ret = btrfs_encoded_read_regular_fill_pages(BTRFS_I(inode), offset,
+       ret = btrfs_encoded_read_regular_fill_pages(BTRFS_I(inode),
                                                    disk_bytenr, disk_num_bytes,
                                                    sctx->send_buf_pages +
                                                    (data_offset >> PAGE_SHIFT));