1652 static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum,  in read_wbuf()  argument
1655 	const struct ubifs_info *c = wbuf->c;  in read_wbuf()
1659 	ubifs_assert(wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in read_wbuf()
1663 	spin_lock(&wbuf->lock);  in read_wbuf()
1664 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in read_wbuf()
1667 		spin_unlock(&wbuf->lock);  in read_wbuf()
1672 	rlen = wbuf->offs - offs;  in read_wbuf()
1677 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in read_wbuf()
1678 	spin_unlock(&wbuf->lock);  in read_wbuf()
1754 	struct ubifs_wbuf *wbuf;  in ubifs_tnc_bulk_read()  local
1765 	wbuf = ubifs_get_wbuf(c, lnum);  in ubifs_tnc_bulk_read()
1766 	if (wbuf)  in ubifs_tnc_bulk_read()
1767 		err = read_wbuf(wbuf, bu->buf, len, lnum, offs);  in ubifs_tnc_bulk_read()