2116 	struct ocfs2_dio_write_ctxt *dwc = NULL;  in ocfs2_dio_alloc_write_ctx()  local
2121 	dwc = kmalloc(sizeof(struct ocfs2_dio_write_ctxt), GFP_NOFS);  in ocfs2_dio_alloc_write_ctx()
2122 	if (dwc == NULL)  in ocfs2_dio_alloc_write_ctx()
2124 	INIT_LIST_HEAD(&dwc->dw_zero_list);  in ocfs2_dio_alloc_write_ctx()
2125 	dwc->dw_zero_count = 0;  in ocfs2_dio_alloc_write_ctx()
2126 	dwc->dw_orphaned = 0;  in ocfs2_dio_alloc_write_ctx()
2127 	dwc->dw_writer_pid = task_pid_nr(current);  in ocfs2_dio_alloc_write_ctx()
2128 	bh->b_private = dwc;  in ocfs2_dio_alloc_write_ctx()
2131 	return dwc;  in ocfs2_dio_alloc_write_ctx()
2135 				     struct ocfs2_dio_write_ctxt *dwc)  in ocfs2_dio_free_write_ctx()  argument
2137 	ocfs2_free_unwritten_list(inode, &dwc->dw_zero_list);  in ocfs2_dio_free_write_ctx()
2138 	kfree(dwc);  in ocfs2_dio_free_write_ctx()
2161 	struct ocfs2_dio_write_ctxt *dwc = NULL;  in ocfs2_dio_wr_get_block()  local
2209 	dwc = ocfs2_dio_alloc_write_ctx(bh_result, &first_get_block);  in ocfs2_dio_wr_get_block()
2210 	if (unlikely(dwc == NULL)) {  in ocfs2_dio_wr_get_block()
2218 	    !dwc->dw_orphaned) {  in ocfs2_dio_wr_get_block()
2229 		dwc->dw_orphaned = 1;  in ocfs2_dio_wr_get_block()
2288 		list_splice_tail_init(&wc->w_unwritten_list, &dwc->dw_zero_list);  in ocfs2_dio_wr_get_block()
2289 		dwc->dw_zero_count += wc->w_unwritten_count;  in ocfs2_dio_wr_get_block()
2306 				  struct ocfs2_dio_write_ctxt *dwc,  in ocfs2_dio_end_io_write()  argument
2327 	if (list_empty(&dwc->dw_zero_list) &&  in ocfs2_dio_end_io_write()
2329 	    !dwc->dw_orphaned)  in ocfs2_dio_end_io_write()
2341 	if (dwc->dw_orphaned) {  in ocfs2_dio_end_io_write()
2342 		BUG_ON(dwc->dw_writer_pid != task_pid_nr(current));  in ocfs2_dio_end_io_write()
2362 	ret = ocfs2_lock_allocators(inode, &et, 0, dwc->dw_zero_count*2,  in ocfs2_dio_end_io_write()
2384 	list_for_each_entry(ue, &dwc->dw_zero_list, ue_node) {  in ocfs2_dio_end_io_write()
2412 	ocfs2_dio_free_write_ctx(inode, dwc);  in ocfs2_dio_end_io_write()