return ocfs2_extent_recs_per_gd(sb);
}
-static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb,
- unsigned int clusters_to_del,
- struct ocfs2_dinode *fe,
- struct ocfs2_extent_list *last_el)
-{
- /* for dinode + all headers in this pass + update to next leaf */
- u16 next_free = le16_to_cpu(last_el->l_next_free_rec);
- u16 tree_depth = le16_to_cpu(fe->id2.i_list.l_tree_depth);
- int credits = 1 + tree_depth + 1;
- int i;
-
- i = next_free - 1;
- BUG_ON(i < 0);
-
- /* We may be deleting metadata blocks, so metadata alloc dinode +
- one desc. block for each possible delete. */
- if (tree_depth && next_free == 1 &&
- ocfs2_rec_clusters(last_el, &last_el->l_recs[i]) == clusters_to_del)
- credits += 1 + tree_depth;
-
- /* update to the truncate log. */
- credits += OCFS2_TRUNCATE_LOG_UPDATE;
-
- credits += ocfs2_quota_trans_credits(sb);
-
- return credits;
-}
-
static inline int ocfs2_jbd2_inode_add_write(handle_t *handle, struct inode *inode,
loff_t start_byte, loff_t length)
{