bfs_tools/lib/Inode.cpp

48 	fDisk(disk),
64 	fDisk(inode.fDisk),
123 	if (fDisk->BlockSize()) {
125 		if (fInode->inode_size != fDisk->SuperBlock()->inode_size
127 			|| fInode->parent.allocation_group > fDisk->SuperBlock()->num_ags
129 			|| fInode->parent.start > (1L << fDisk->SuperBlock()->ag_shift)
132 			|| fInode->attributes.allocation_group > fDisk->SuperBlock()->num_ags
134 			|| fInode->attributes.start > (1L << fDisk->SuperBlock()->ag_shift))
215 	fInode = (bfs_inode*)malloc(fDisk->BlockSize());
219 	ssize_t bytesRead = fDisk->ReadAt(Offset(), fInode, fDisk->BlockSize());
281 			+ fDisk->BlockSize()))
393 		fAttributes = (Directory *)Inode::Factory(fDisk, Attributes());
407 	Attribute *attribute = (Attribute *)Inode::Factory(fDisk, run);
438 	while (!parent.IsZero() && parent != fDisk->Root()) {
443 			inode = Inode::Factory(fDisk, parent);
676 		? fRunFileOffset + (fRun.length << fDisk->BlockShift()) : 0LL;
692 			block_run *indirect = (block_run *)fDisk->ReadBlockRun(fInode->data.double_indirect);
697 			int32 indirectSize = fDisk->BlockSize() * 16 * (fDisk->BlockSize() / sizeof(block_run));
698 			int32 directSize = fDisk->BlockSize() * 4;
703 			indirect = (block_run *)fDisk->ReadBlockRun(indirect[index]);
715 			block_run *indirect = (block_run *)fDisk->ReadBlockRun(fInode->data.indirect);
719 			int32 indirectRuns = (fInode->data.indirect.length << fDisk->BlockShift()) / sizeof(block_run);
732 				fRunBlockEnd += indirect[fCurrent].length << fDisk->BlockShift();
756 			fRunBlockEnd += fInode->data.direct[fCurrent].length << fDisk->BlockShift();
795 		//printf("### read %ld bytes from %lld\n### --\n",bytes,fDisk->ToOffset(fRun) + pos - fRunFileOffset);
796 		bytes = fDisk->ReadAt(fDisk->ToOffset(fRun) + pos - fRunFileOffset,
842 		//printf("### write %ld bytes to %lld\n### --\n",bytes,fDisk->ToOffset(fRun) + pos - fRunFileOffset);
843 		bytes = fDisk->WriteAt(fDisk->ToOffset(fRun) + pos - fRunFileOffset,buffer,bytes);
904 		else if ((fInode->data.direct[i].length << fDisk->BlockShift()) >= size) {
905 			off_t blocks = (size + fDisk->BlockSize() - 1) / fDisk->BlockSize();
909 			size -= fInode->data.direct[i].length << fDisk->BlockShift();
979 	char buffer[fDisk->BlockSize()];
1145 	*run = fDisk->ToBlockRun(offset);
1196 		if (fDisk->ToBlockRun(value) == inode->InodeBuffer()->inode_num)
1227 			*run = fDisk->ToBlockRun(value);
1265 		fTree->Insert("..", fDisk->ToBlock(Parent()));