2102 	struct ocfs2_dio_write_ctxt *dwc = NULL;  in ocfs2_dio_alloc_write_ctx()  local
2107 	dwc = kmalloc(sizeof(struct ocfs2_dio_write_ctxt), GFP_NOFS);  in ocfs2_dio_alloc_write_ctx()
2108 	if (dwc == NULL)  in ocfs2_dio_alloc_write_ctx()
2110 	INIT_LIST_HEAD(&dwc->dw_zero_list);  in ocfs2_dio_alloc_write_ctx()
2111 	dwc->dw_zero_count = 0;  in ocfs2_dio_alloc_write_ctx()
2112 	dwc->dw_orphaned = 0;  in ocfs2_dio_alloc_write_ctx()
2113 	dwc->dw_writer_pid = task_pid_nr(current);  in ocfs2_dio_alloc_write_ctx()
2114 	bh->b_private = dwc;  in ocfs2_dio_alloc_write_ctx()
2117 	return dwc;  in ocfs2_dio_alloc_write_ctx()
2121 				     struct ocfs2_dio_write_ctxt *dwc)  in ocfs2_dio_free_write_ctx()  argument
2123 	ocfs2_free_unwritten_list(inode, &dwc->dw_zero_list);  in ocfs2_dio_free_write_ctx()
2124 	kfree(dwc);  in ocfs2_dio_free_write_ctx()
2147 	struct ocfs2_dio_write_ctxt *dwc = NULL;  in ocfs2_dio_wr_get_block()  local
2195 	dwc = ocfs2_dio_alloc_write_ctx(bh_result, &first_get_block);  in ocfs2_dio_wr_get_block()
2196 	if (unlikely(dwc == NULL)) {  in ocfs2_dio_wr_get_block()
2204 	    !dwc->dw_orphaned) {  in ocfs2_dio_wr_get_block()
2215 		dwc->dw_orphaned = 1;  in ocfs2_dio_wr_get_block()
2274 		list_splice_tail_init(&wc->w_unwritten_list, &dwc->dw_zero_list);  in ocfs2_dio_wr_get_block()
2275 		dwc->dw_zero_count += wc->w_unwritten_count;  in ocfs2_dio_wr_get_block()
2292 				  struct ocfs2_dio_write_ctxt *dwc,  in ocfs2_dio_end_io_write()  argument
2313 	if (list_empty(&dwc->dw_zero_list) &&  in ocfs2_dio_end_io_write()
2315 	    !dwc->dw_orphaned)  in ocfs2_dio_end_io_write()
2320 	if (dwc->dw_writer_pid != task_pid_nr(current)) {  in ocfs2_dio_end_io_write()
2334 	if (dwc->dw_orphaned) {  in ocfs2_dio_end_io_write()
2335 		BUG_ON(dwc->dw_writer_pid != task_pid_nr(current));  in ocfs2_dio_end_io_write()
2355 	ret = ocfs2_lock_allocators(inode, &et, 0, dwc->dw_zero_count*2,  in ocfs2_dio_end_io_write()
2377 	list_for_each_entry(ue, &dwc->dw_zero_list, ue_node) {  in ocfs2_dio_end_io_write()
2407 	ocfs2_dio_free_write_ctx(inode, dwc);  in ocfs2_dio_end_io_write()