1636 static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum,  in read_wbuf()  argument
1639 	const struct ubifs_info *c = wbuf->c;  in read_wbuf()
1643 	ubifs_assert(wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in read_wbuf()
1647 	spin_lock(&wbuf->lock);  in read_wbuf()
1648 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in read_wbuf()
1651 		spin_unlock(&wbuf->lock);  in read_wbuf()
1656 	rlen = wbuf->offs - offs;  in read_wbuf()
1661 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in read_wbuf()
1662 	spin_unlock(&wbuf->lock);  in read_wbuf()
1738 	struct ubifs_wbuf *wbuf;  in ubifs_tnc_bulk_read()  local
1749 	wbuf = ubifs_get_wbuf(c, lnum);  in ubifs_tnc_bulk_read()
1750 	if (wbuf)  in ubifs_tnc_bulk_read()
1751 		err = read_wbuf(wbuf, bu->buf, len, lnum, offs);  in ubifs_tnc_bulk_read()