static u64 ocfs2_group_from_res(struct ocfs2_suballoc_result *res)
{
if (res->sr_blkno == 0)
return 0;
if (res->sr_bg_blkno)
return res->sr_bg_blkno;
return ocfs2_which_suballoc_group(res->sr_blkno, res->sr_bit_offset);
}
int ocfs2_free_extent_block(handle_t *handle,
struct inode *eb_alloc_inode,
struct buffer_head *eb_alloc_bh,
struct ocfs2_extent_block *eb)
{
u64 blk = le64_to_cpu(eb->h_blkno);
u16 bit = le16_to_cpu(eb->h_suballoc_bit);
u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit);
return ocfs2_free_suballoc_bits(handle, eb_alloc_inode, eb_alloc_bh,
bit, bg_blkno, 1);
}
int ocfs2_free_dinode(handle_t *handle,
struct inode *inode_alloc_inode,
struct buffer_head *inode_alloc_bh,
struct ocfs2_dinode *di)
{
u64 blk = le64_to_cpu(di->i_blkno);
u16 bit = le16_to_cpu(di->i_suballoc_bit);
u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit);
return ocfs2_free_suballoc_bits(handle, inode_alloc_inode,
inode_alloc_bh, bit, bg_blkno, 1);
}