hfscommon/Misc/VolumeAllocation.c

320 	u_int32_t		minBlocks,
329 	u_int32_t		minBlocks,
339 	u_int32_t		minBlocks,
392 	u_int32_t		minBlocks,
798  ;	 minBlocks	 	 - Number of blocks requested.	If the allocation is non-contiguous,
819 	u_int32_t		minBlocks,		/* desired number of blocks to allocate */
824 							/* was zero, then this may represent fewer than minBlocks */
834 		KERNEL_DEBUG_CONSTANT(HFSDBG_BLOCK_ALLOCATE | DBG_FUNC_START, startingBlock, minBlocks, maxBlocks, flags, 0);
888 		if (forceContiguous && freeBlocks < minBlocks) {
896 		if (minBlocks > freeBlocks) {
897 			minBlocks = freeBlocks;
932 		err = BlockAllocateContig(vcb, startingBlock, minBlocks, maxBlocks,
1479 	minBlocks		Minimum number of contiguous blocks to allocate
1491 	u_int32_t		minBlocks,
1500 		return BlockAllocateContigRBTree(vcb, startingBlock, minBlocks, maxBlocks, useMetaZone,
1504 	return BlockAllocateContigBitmap(vcb, startingBlock, minBlocks,
1515 	u_int32_t		minBlocks,
1524 		KERNEL_DEBUG_CONSTANT(HFSDBG_ALLOC_CONTIG_BITMAP | DBG_FUNC_START, startingBlock, minBlocks, maxBlocks, useMetaZone, 0);
1527 	//	Find a contiguous group of blocks at least minBlocks long.
1533 	 * NOTE: If the only contiguous free extent of at least minBlocks
1536 	 * the second search look past startingBlock by minBlocks.  But
1540 	err = BlockFindContiguous(vcb, startingBlock, vcb->allocLimit, minBlocks,
1547 		err = BlockFindContiguous(vcb, 1, startingBlock, minBlocks, maxBlocks,
1576 						  u_int32_t		minBlocks,
1609 	 /* If we managed to grab at least minBlocks of space, then we're done. */
1611 	if (*actualNumBlocks >= minBlocks) {
1660 	search_sentinel.length = minBlocks;
1692 					if (modified_length >= minBlocks) {
1698 						tempnode.length = MIN(minBlocks, node_end - tempnode.offset);
1710 		search_sentinel.length = minBlocks;
1715 	if ((node) && (node->length >= minBlocks)) {
1751 				   hfsmp->vcbVN, node, startingBlock, minBlocks, maxBlocks);
1757 				   hfsmp->vcbVN, minBlocks, maxBlocks);
3019 	minBlocks		Minimum number of blocks needed.  Must be > 0.
3028 	noErr			Found at least minBlocks contiguous
3029 	dskFulErr		No contiguous space found, or all less than minBlocks
3037 	u_int32_t		minBlocks,
3058 		KERNEL_DEBUG_CONSTANT(HFSDBG_BLOCK_FIND_CONTIG | DBG_FUNC_START, startingBlock, endingBlock, minBlocks, maxBlocks, 0);
3076 	if ((endingBlock - startingBlock) < minBlocks)
3083 	stopBlock = endingBlock - minBlocks + 1;
3291 		if (foundBlocks >= minBlocks)
3303 	if (foundBlocks < minBlocks)
3322 				firstBlock, stopBlock, minBlocks, foundBlocks);