bsd/hfs/hfs_vfsutils.c

2955 	u_int64_t  zonesize;
2990 	zonesize = roundup(1536, hfsmp->blockSize);
2995 	zonesize += hfsmp->hfs_allocation_cp->c_datafork->ff_blocks * hfsmp->blockSize;
3002 		zonesize += hfsmp->blockSize + hfsmp->jnl_size;
3009 	zonesize += hfsmp->hfs_extents_cp->c_datafork->ff_blocks * hfsmp->blockSize;
3019 		zonesize += 11 * hfsmp->hfs_attribute_cp->c_datafork->ff_clumpsize;
3029 	zonesize += 11 * hfsmp->hfs_catalog_cp->c_datafork->ff_clumpsize;
3078 	zonesize += filesize;
3084 	temp = zonesize;
3085 	zonesize = roundup(zonesize, (u_int64_t)vcb->vcbVBMIOSize * 8 * vcb->blockSize);
3086 	hfsmp->hfs_min_alloc_start = zonesize / vcb->blockSize;
3120 	temp = zonesize - temp;  /* temp has extra space */
3127 	blk = zonesize / vcb->blockSize;