1683 static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum,  in read_wbuf()  argument
1686 	const struct ubifs_info *c = wbuf->c;  in read_wbuf()
1690 	ubifs_assert(c, wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in read_wbuf()
1694 	spin_lock(&wbuf->lock);  in read_wbuf()
1695 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in read_wbuf()
1698 		spin_unlock(&wbuf->lock);  in read_wbuf()
1703 	rlen = wbuf->offs - offs;  in read_wbuf()
1708 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in read_wbuf()
1709 	spin_unlock(&wbuf->lock);  in read_wbuf()
1791 	struct ubifs_wbuf *wbuf;  in ubifs_tnc_bulk_read()  local
1802 	wbuf = ubifs_get_wbuf(c, lnum);  in ubifs_tnc_bulk_read()
1803 	if (wbuf)  in ubifs_tnc_bulk_read()
1804 		err = read_wbuf(wbuf, bu->buf, len, lnum, offs);  in ubifs_tnc_bulk_read()