V7FS_INODE_PER_BLOCK
sb->total_freeinode = ilist_size * V7FS_INODE_PER_BLOCK - 1;
ilist_size = howmany(files, V7FS_INODE_PER_BLOCK);
#define V7FS_ILISTBLK_MAX (V7FS_INODE_MAX / V7FS_INODE_PER_BLOCK)
k += V7FS_INODE_PER_BLOCK;
for (j = 0; j < V7FS_INODE_PER_BLOCK; j++, k++) {
ino += V7FS_INODE_PER_BLOCK;
(j < V7FS_INODE_PER_BLOCK) && (k < V7FS_MAX_FREEINODE);