file_systems/ext2/Inode.cpp

48 	rw_lock_init(&fLock, "ext2 inode");
49 	recursive_lock_init(&fSmallDataLock, "ext2 inode small data");
52 	TRACE("Inode::Inode(): ext2_inode: %lu, disk inode: %" B_PRIu32
82 	rw_lock_init(&fLock, "ext2 inode");
83 	recursive_lock_init(&fSmallDataLock, "ext2 inode small data");
86 	TRACE("Inode::Inode(): ext2_inode: %lu, disk inode: %" B_PRIu32 "\n",
142 	TRACE("Inode::WriteBack(): Inode ID: %" B_PRIdINO ", inode block: %"
143 		B_PRIdOFF ", data: %p, index: %" B_PRIu32 ", inode size: %" B_PRIu32
147 	ext2_inode* inode = (ext2_inode*)(inodeBlockData +
149 	memcpy(inode, (uint8*)&fNode, fNodeSize);
152 		uint32 checksum = _InodeChecksum(inode);
153 		inode->checksum = checksum & 0xffff;
156 			inode->checksum_high = checksum >> 16;
174 	TRACE("inode %" B_PRIdINO " at block %" B_PRIdOFF "\n", fID, blockNum);
182 	TRACE("Inode size: %" B_PRIu32 ", inode index: %" B_PRIu32 "\n",
184 	ext2_inode* inode = (ext2_inode*)(inodeBlock
187 	TRACE("Attempting to copy inode data from %p to %p, ext2_inode "
188 		"size: %" B_PRIu32 "\n", inode, &fNode, fNodeSize);
190 	memcpy(&fNode, inode, fNodeSize);
193 		uint32 checksum = _InodeChecksum(inode);
389 	TRACE("Inode::Resize(): Writing back inode changes. Size: %" B_PRIdOFF
459 		TRACE("Inode::Unlink(): Putting inode in orphan list\n");
535 			Inode* inode;
537 			status = vnode.Get(&inode);
539 				TRACE("Inode::Create() Failed to get the inode from the "
544 			if (inode->IsDirectory() && (openMode & O_RWMASK) != O_RDONLY)
546 			if ((openMode & O_DIRECTORY) != 0 && !inode->IsDirectory())
549 			if (inode->CheckPermissions(open_mode_to_access(openMode)
556 				inode->WriteLockInTransaction(transaction);
558 				status = inode->Resize(transaction, 0);
566 				*_id = inode->ID();
568 				*_inode = inode;
595 	TRACE("Inode::Create(): Allocating inode\n");
612 	TRACE("Inode::Create(): Creating inode\n");
613 	Inode* inode = new(std::nothrow) Inode(volume);
614 	if (inode == NULL)
618 	ext2_inode& node = inode->Node();
619 	TRACE("Inode::Create(): Initializing inode data\n");
624 	node.SetNumLinks(inode->IsDirectory() ? 2 : 1);
628 	inode->SetAccessTime(&timespec);
629 	inode->SetCreationTime(&timespec);
630 	inode->SetModificationTime(&timespec);
634 		&& (inode->IsDirectory() || inode->IsFile())) {
636 		ExtentStream stream(volume, inode, &node.extent_stream, 0);
645 	inode->fID = id;
647 	if (inode->IsDirectory()) {
649 		status = inode->InitDirectory(transaction, parent);
652 			delete inode;
678 	TRACE("Inode::Create(): Saving inode\n");
679 	status = inode->WriteBack(transaction);
681 		delete inode;
688 	status = vnode.Publish(transaction, inode, vnodeOps, publishFlags);
692 	if (!inode->IsSymLink()) {
694 		if (!inode->IsDirectory()) {
695 			status = inode->CreateFileCache();
700 		inode->WriteLockInTransaction(transaction);
708 		*_inode = inode;
806 		// Revert any changes to the inode
808 			panic("Failed to reload inode from disk!\n");
950 Inode::_InodeChecksum(ext2_inode* inode)
958 	checksum = calculate_crc32c(checksum, (uint8*)inode, offset);
962 	checksum = calculate_crc32c(checksum, (uint8*)inode + offset,
966 		checksum = calculate_crc32c(checksum, (uint8*)inode
973 		checksum = calculate_crc32c(checksum, (uint8*)inode + offset,