Lines Matching defs:bu
1542 * @bu: bulk-read parameters and results
1548 * Note, if the bulk-read buffer length (@bu->buf_len) is known, this function
1552 int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu)
1556 unsigned int block = key_block(c, &bu->key);
1559 bu->cnt = 0;
1560 bu->blk_cnt = 0;
1561 bu->eof = 0;
1565 err = ubifs_lookup_level0(c, &bu->key, &znode, &n);
1572 if (len > bu->buf_len) {
1577 bu->zbranch[bu->cnt++] = znode->zbranch[n];
1578 bu->blk_cnt += 1;
1594 if (key_inum(c, key) != key_inum(c, &bu->key) ||
1604 if (len > bu->buf_len) {
1618 if (len > bu->buf_len)
1623 bu->blk_cnt += (next_block - block - 1);
1624 if (bu->blk_cnt >= UBIFS_MAX_BULK_READ)
1628 bu->zbranch[bu->cnt++] = *zbr;
1629 bu->blk_cnt += 1;
1631 if (bu->cnt >= UBIFS_MAX_BULK_READ)
1633 if (bu->blk_cnt >= UBIFS_MAX_BULK_READ)
1638 bu->eof = 1;
1641 bu->gc_seq = c->gc_seq;
1649 if (bu->blk_cnt > UBIFS_MAX_BULK_READ)
1650 bu->blk_cnt = UBIFS_MAX_BULK_READ;
1656 !(bu->blk_cnt & (UBIFS_BLOCKS_PER_PAGE - 1)))
1658 if (bu->eof) {
1660 bu->blk_cnt += UBIFS_BLOCKS_PER_PAGE - 1;
1664 block = key_block(c, &bu->key) + bu->blk_cnt;
1666 while (bu->cnt) {
1667 if (key_block(c, &bu->zbranch[bu->cnt - 1].key) < block)
1669 bu->cnt -= 1;
1782 * @bu: bulk-read parameters and results
1789 int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu)
1791 int lnum = bu->zbranch[0].lnum, offs = bu->zbranch[0].offs, len, err, i;
1795 len = bu->zbranch[bu->cnt - 1].offs;
1796 len += bu->zbranch[bu->cnt - 1].len - offs;
1797 if (len > bu->buf_len) {
1798 ubifs_err(c, "buffer too small %d vs %d", bu->buf_len, len);
1805 err = read_wbuf(wbuf, bu->buf, len, lnum, offs);
1807 err = ubifs_leb_read(c, lnum, bu->buf, offs, len, 0);
1810 if (maybe_leb_gced(c, lnum, bu->gc_seq))
1817 dbg_tnck(&bu->key, "key ");
1822 buf = bu->buf;
1823 for (i = 0; i < bu->cnt; i++) {
1824 err = validate_data_node(c, buf, &bu->zbranch[i]);
1827 buf = buf + ALIGN(bu->zbranch[i].len, 8);