/*ARGSUSED3*/
xfs_inobt_key_t *
xfs_inobt_key_addr(xfs_inobt_block_t *bb, int i, xfs_btree_cur_t *cur)
{
return XFS_INOBT_KEY_ADDR(bb, i, cur);
}
static void
prop_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs,
xfs_agino_t startino, int level)
{
struct xfs_btree_block *bt_hdr;
xfs_inobt_key_t *bt_key;
xfs_inobt_ptr_t *bt_ptr;
xfs_agblock_t agbno;
bt_stat_level_t *lptr;
level++;
if (level >= btree_curs->num_levels)
return;
lptr = &btree_curs->level[level];
bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p);
if (be16_to_cpu(bt_hdr->bb_numrecs) == 0) {
/*
* this only happens once to initialize the
* first path up the left side of the tree
* where the agbno's are already set up
*/
prop_ino_cursor(mp, agno, btree_curs, startino, level);
}
if (be16_to_cpu(bt_hdr->bb_numrecs) ==
lptr->num_recs_pb + (lptr->modulo > 0)) {
/*
* write out current prev block, grab us a new block,
* and set the rightsib pointer of current block
*/
#ifdef XR_BLD_INO_TRACE
fprintf(stderr, " ino prop agbno %d ", lptr->prev_agbno);
#endif
if (lptr->prev_agbno != NULLAGBLOCK) {
ASSERT(lptr->prev_buf_p != NULL);
libxfs_writebuf(lptr->prev_buf_p, 0);
}
lptr->prev_agbno = lptr->agbno;;
lptr->prev_buf_p = lptr->buf_p;
agbno = get_next_blockaddr(agno, level, btree_curs);
bt_hdr->bb_u.s.bb_rightsib = cpu_to_be32(agbno);
lptr->buf_p = libxfs_getbuf(mp->m_dev,
XFS_AGB_TO_DADDR(mp, agno, agbno),
XFS_FSB_TO_BB(mp, 1));
lptr->agbno = agbno;
if (lptr->modulo)
lptr->modulo--;
/*
* initialize block header
*/
lptr->buf_p->b_ops = &xfs_inobt_buf_ops;
bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p);
memset(bt_hdr, 0, mp->m_sb.sb_blocksize);
if (xfs_sb_version_hascrc(&mp->m_sb))
xfs_btree_init_block(mp, lptr->buf_p, XFS_IBT_CRC_MAGIC,
level, 0, agno,
XFS_BTREE_CRC_BLOCKS);
else
xfs_btree_init_block(mp, lptr->buf_p, XFS_IBT_MAGIC,
level, 0, agno, 0);
bt_hdr->bb_u.s.bb_leftsib = cpu_to_be32(lptr->prev_agbno);
/*
* propagate extent record for first extent in new block up
*/
prop_ino_cursor(mp, agno, btree_curs, startino, level);
}
/*
* add inode info to current block
*/
be16_add_cpu(&bt_hdr->bb_numrecs, 1);
bt_key = XFS_INOBT_KEY_ADDR(mp, bt_hdr,
be16_to_cpu(bt_hdr->bb_numrecs));
bt_ptr = XFS_INOBT_PTR_ADDR(mp, bt_hdr,
be16_to_cpu(bt_hdr->bb_numrecs),
mp->m_inobt_mxr[1]);
bt_key->ir_startino = cpu_to_be32(startino);
*bt_ptr = cpu_to_be32(btree_curs->level[level-1].agbno);
}
