* addition of remove_mapping(). If success is returned, the caller may
  * attempt to reuse this page for another destination.
  */
-static int page_cache_pipe_buf_steal(struct pipe_inode_info *info,
+static int page_cache_pipe_buf_steal(struct pipe_inode_info *pipe,
                                     struct pipe_buffer *buf)
 {
        struct page *page = buf->page;
        return 0;
 }
 
-static void page_cache_pipe_buf_release(struct pipe_inode_info *info,
+static void page_cache_pipe_buf_release(struct pipe_inode_info *pipe,
                                        struct pipe_buffer *buf)
 {
        page_cache_release(buf->page);
        buf->flags &= ~PIPE_BUF_FLAG_LRU;
 }
 
-static int page_cache_pipe_buf_pin(struct pipe_inode_info *info,
+static int page_cache_pipe_buf_pin(struct pipe_inode_info *pipe,
                                   struct pipe_buffer *buf)
 {
        struct page *page = buf->page;
  * Send 'sd->len' bytes to socket from 'sd->file' at position 'sd->pos'
  * using sendpage(). Return the number of bytes sent.
  */
-static int pipe_to_sendpage(struct pipe_inode_info *info,
+static int pipe_to_sendpage(struct pipe_inode_info *pipe,
                            struct pipe_buffer *buf, struct splice_desc *sd)
 {
        struct file *file = sd->file;
        loff_t pos = sd->pos;
        int ret, more;
 
-       ret = buf->ops->pin(info, buf);
+       ret = buf->ops->pin(pipe, buf);
        if (!ret) {
                more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len;
 
  * SPLICE_F_MOVE isn't set, or we cannot move the page, we simply create
  * a new page in the output file page cache and fill/dirty that.
  */
-static int pipe_to_file(struct pipe_inode_info *info, struct pipe_buffer *buf,
+static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
                        struct splice_desc *sd)
 {
        struct file *file = sd->file;
        /*
         * make sure the data in this buffer is uptodate
         */
-       ret = buf->ops->pin(info, buf);
+       ret = buf->ops->pin(pipe, buf);
        if (unlikely(ret))
                return ret;
 
                 * pagecache and we can reuse it. The page will also be
                 * locked on successful return.
                 */
-               if (buf->ops->steal(info, buf))
+               if (buf->ops->steal(pipe, buf))
                        goto find_page;
 
                page = buf->page;
                /*
                 * Careful, ->map() uses KM_USER0!
                 */
-               char *src = buf->ops->map(info, buf, 1);
+               char *src = buf->ops->map(pipe, buf, 1);
                char *dst = kmap_atomic(page, KM_USER1);
 
                memcpy(dst + offset, src + buf->offset, this_len);
                flush_dcache_page(page);
                kunmap_atomic(dst, KM_USER1);
-               buf->ops->unmap(info, buf, src);
+               buf->ops->unmap(pipe, buf, src);
        }
 
        ret = mapping->a_ops->commit_write(file, page, offset, offset+this_len);