file_systems/bfs/BlockAllocator.cpp

43 	Allocate(block_run run)
45 		fRun(run)
65 	Free(block_run run)
67 		fRun(run)
372 /*!	Allocates the specified run in the allocation group.
373 	Doesn't check if the run is valid or already allocated partially, nor
441 /*!	Frees the specified run in the allocation group.
442 	Doesn't check if the run is valid or was not completely allocated, nor
727 	is put into \a run.
734 	uint16 start, uint16 maximum, uint16 minimum, block_run& run)
899 	run.allocation_group = HOST_ENDIAN_TO_BFS_INT32(bestGroup);
900 	run.start = HOST_ENDIAN_TO_BFS_INT16(bestStart);
901 	run.length = HOST_ENDIAN_TO_BFS_INT16(bestLength);
913 	block_cache_discard(fVolume->BlockCache(), fVolume->ToBlock(run),
914 		run.Length());
916 	T(Allocate(run));
923 	const block_run* parent, mode_t type, block_run& run)
936 	return AllocateBlocks(transaction, group, 0, 1, 1, run);
942 	off_t numBlocks, block_run& run, uint16 minimum)
977 			// Since size > 0, there must be a valid block run in this stream
995 	return AllocateBlocks(transaction, group, start, numBlocks, minimum, run);
1000 BlockAllocator::Free(Transaction& transaction, block_run run)
1004 	int32 group = run.AllocationGroup();
1005 	uint16 start = run.Start();
1006 	uint16 length = run.Length();
1010 	T(Free(run));
1036 	if (CheckBlockRun(run) != B_OK)
1048 	if (CheckBlockRun(run, NULL, false) != B_OK) {
1055 		HOST_ENDIAN_TO_BFS_INT64(fVolume->UsedBlocks() - run.Length());
1300 BlockAllocator::IsValidBlockRun(block_run run, const char* type)
1302 	if (run.AllocationGroup() < 0 || run.AllocationGroup() >= fNumGroups
1303 		|| run.Start() > fGroups[run.AllocationGroup()].fNumBits
1304 		|| uint32(run.Start() + run.Length())
1305 				> fGroups[run.AllocationGroup()].fNumBits
1306 		|| run.length == 0) {
1308 			" is invalid!\n", type, run.AllocationGroup(), run.Start(),
1309 			run.Length()));
1317 BlockAllocator::CheckBlockRun(block_run run, const char* type, bool allocated)
1319 	if (!IsValidBlockRun(run, type))
1322 	status_t status = CheckBlocks(fVolume->ToBlock(run), run.Length(),
1326 			" is only partially allocated!\n", type, run.AllocationGroup(),
1327 			run.Start(), run.Length()));