file_systems/ext2/InodeAllocator.cpp

34 	fVolume(volume)
64 	uint32 numInodes = fVolume->InodesPerGroup();
68 	status_t status = fVolume->GetBlockGroup(blockGroup, &group);
75 	if (blockGroup == fVolume->NumGroups() - 1)
76 		numInodes = fVolume->NumInodes() - blockGroup * numInodes;
79 	group->SetFreeInodes(group->FreeInodes(fVolume->Has64bitFeature()) + 1,
80 		fVolume->Has64bitFeature());
83 			group->UsedDirectories(fVolume->Has64bitFeature()) - 1,
84 			fVolume->Has64bitFeature());
89 		group->InodeBitmap(fVolume->Has64bitFeature()), numInodes, id,
94 	return fVolume->WriteBlockGroup(transaction, blockGroup);
105 	uint32 lastBlockGroup = fVolume->NumGroups() - 1;
110 				isDirectory, id, fVolume->InodesPerGroup()) == B_OK)
115 			isDirectory, id, fVolume->NumInodes() - blockGroup
116 				* fVolume->InodesPerGroup()) == B_OK)
133 	status_t status = fVolume->GetBlockGroup(blockGroup, &group);
139 	fsblock_t block = group->InodeBitmap(fVolume->Has64bitFeature());
146 	_InitGroup(transaction, group, block, fVolume->InodesPerGroup());
147 	uint32 freeInodes = group->FreeInodes(fVolume->Has64bitFeature());
152 	group->SetFreeInodes(freeInodes - 1, fVolume->Has64bitFeature());
155 			fVolume->Has64bitFeature()) + 1,
156 			fVolume->Has64bitFeature());
162 		fVolume->InodesPerGroup(), pos, checksum);
166 	if ((fVolume->HasChecksumFeature() || fVolume->HasMetaGroupChecksumFeature())
167 		&& pos > (fVolume->InodesPerGroup()
168 			- group->UnusedInodes(fVolume->Has64bitFeature()) - 1)) {
169 		group->SetUnusedInodes(fVolume->InodesPerGroup() - pos - 1,
170 			fVolume->Has64bitFeature());
173 	status = fVolume->WriteBlockGroup(transaction, blockGroup);
177 	id = pos + blockGroup * fVolume->InodesPerGroup() + 1;
187 	BitmapBlock inodeBitmap(fVolume, numInodes);
212 	checksum = inodeBitmap.Checksum(fVolume->InodesPerGroup());
222 	BitmapBlock inodeBitmap(fVolume, numInodes);
230 	uint32 pos = (id - 1) % fVolume->InodesPerGroup();
237 	checksum = inodeBitmap.Checksum(fVolume->InodesPerGroup());
252 	BitmapBlock inodeBitmap(fVolume, numInodes);
265 	if (fVolume->HasMetaGroupChecksumFeature()) {
267 		if (fVolume->GroupDescriptorSize() >= offsetof(ext2_block_group,