file_systems/ext2/kernel_interface.cpp

104 	Volume* volume = new(std::nothrow) Volume(_volume);
105 	if (volume == NULL)
111 	// but that requires us to export our volume data before calling it.
112 	_volume->private_volume = volume;
115 	status_t status = volume->Mount(device, flags);
117 		ERROR("Failed mounting the volume. Error: %s\n", strerror(status));
118 		delete volume;
122 	*_rootID = volume->RootNode()->ID();
130 	Volume* volume = (Volume *)_volume->private_volume;
132 	status_t status = volume->Unmount();
133 	delete volume;
142 	Volume* volume = (Volume*)_volume->private_volume;
146 		| (volume->IsReadOnly() ? B_FS_IS_READONLY : 0);
148 	info->block_size = volume->BlockSize();
149 	info->total_blocks = volume->NumBlocks();
150 	info->free_blocks = volume->NumFreeBlocks();
153 	strlcpy(info->volume_name, volume->Name(), sizeof(info->volume_name));
156 	if (volume->HasExtentsFeature())
158 	else if (volume->HasJournalFeature())
170 	Volume* volume = (Volume*)_volume->private_volume;
172 	if (volume->IsReadOnly())
175 	MutexLocker locker(volume->Lock());
180 		Transaction transaction(volume->GetJournal());
181 		volume->SetName(info->volume_name);
182 		status = volume->WriteSuperBlock(transaction);
192 	Volume* volume = (Volume*)_volume->private_volume;
193 	return volume->Sync();
204 	Volume* volume = (Volume*)_volume->private_volume;
206 	if (id < 2 || id > volume->NumInodes()) {
211 	Inode* inode = new(std::nothrow) Inode(volume, id);
243 	Volume* volume = (Volume*)_volume->private_volume;
251 	Transaction transaction(volume->GetJournal());
261 	status_t status = volume->RemoveOrphan(transaction, inode->ID());
273 	status = volume->FreeInode(transaction, inode->ID(), inode->IsDirectory());
294 	Volume* volume = (Volume*)_volume->private_volume;
319 		status = read_file_io_vec_pages(volume->Device(), fileVecs,
338 	Volume* volume = (Volume*)_volume->private_volume;
341 	if (volume->IsReadOnly())
366 		status = write_file_io_vec_pages(volume->Device(), fileVecs,
386 	Volume* volume = (Volume*)_volume->private_volume;
397 		if (block > volume->NumBlocks()) {
402 		off_t blockOffset = block << volume->BlockShift();
403 		uint32 blockLength = volume->BlockSize() * count;
452 	Volume* volume = (Volume*)_volume->private_volume;
460 	HTree htree(volume, directory);
472 			entry_cache_add_missing(volume->ID(), directory->ID(), name);
475 	entry_cache_add(volume->ID(), directory->ID(), name, *_vnodeID);
477 	return get_vnode(volume->FSVolume(), *_vnodeID, NULL);
487 	Volume* volume = (Volume*)_volume->private_volume;
494 			Transaction transaction(volume->GetJournal());
496 			CachedBlock cached(volume);
497 			uint32 blocksPerGroup = volume->BlocksPerGroup();
498 			uint32 blockSize  = volume->BlockSize();
499 			uint32 firstBlock = volume->FirstDataBlock();
509 			while (volume->AllocateBlocks(transaction, 1, 2048, group, start,
524 				transaction.Start(volume->GetJournal());
551 				*offset += count * volume->BlockSize();
619 	Volume* volume = (Volume*)_volume->private_volume;
621 	if (volume->IsReadOnly())
634 	Transaction transaction(volume->GetJournal());
717 		notify_stat_changed(volume->ID(), -1, inode->ID(), mask);
727 	Volume* volume = (Volume*)_volume->private_volume;
732 	if (volume->IsReadOnly())
752 	Transaction transaction(volume->GetJournal());
772 	entry_cache_add(volume->ID(), directory->ID(), name, *_vnodeID);
776 		entry_cache_remove(volume->ID(), directory->ID(), name);
784 		notify_entry_created(volume->ID(), directory->ID(), name, *_vnodeID);
796 	Volume* volume = (Volume*)_volume->private_volume;
799 	if (volume->IsReadOnly())
810 	Transaction transaction(volume->GetJournal());
843 	publish_vnode(volume->FSVolume(), id, link, &gExt2VnodeOps,
845 	put_vnode(volume->FSVolume(), id);
848 		entry_cache_add(volume->ID(), directory->ID(), name, id);
852 			notify_entry_created(volume->ID(), directory->ID(), name, id);
854 			entry_cache_remove(volume->ID(), directory->ID(), name);
863 ext2_link(fs_volume* volume, fs_vnode* dir, const char* name, fs_vnode* node)
878 	Volume* volume = (Volume*)_volume->private_volume;
886 	Transaction transaction(volume->GetJournal());
891 	HTree htree(volume, directory);
904 		Vnode vnode(volume, id);
920 	entry_cache_remove(volume->ID(), directory->ID(), name);
924 		entry_cache_add(volume->ID(), directory->ID(), name, id);
926 		notify_entry_removed(volume->ID(), directory->ID(), name, id);
938 	Volume* volume = (Volume*)_volume->private_volume;
945 	Transaction transaction(volume->GetJournal());
957 	HTree oldHTree(volume, oldDirectory);
975 		CachedBlock cached(volume);
981 			Vnode vnode(volume, parentID);
1002 	HTree newHTree(volume, newDirectory);
1013 	Vnode vnode(volume, oldID);
1041 		Vnode vnodeExistent(volume, existentID);
1061 		entry_cache_remove(volume->ID(), newDirectory->ID(), newName);
1063 		notify_entry_removed(volume->ID(), newDirectory->ID(), newName,
1122 	entry_cache_remove(volume->ID(), oldDirectory->ID(), oldName);
1123 	entry_cache_add(volume->ID(), newDirectory->ID(), newName, oldID);
1127 		entry_cache_remove(volume->ID(), oldDirectory->ID(), newName);
1128 		entry_cache_add(volume->ID(), newDirectory->ID(), oldName, oldID);
1133 	notify_entry_moved(volume->ID(), oldDirectory->ID(), oldName,
1143 	Volume* volume = (Volume*)_volume->private_volume;
1179 		Transaction transaction(volume->GetJournal());
1221 	Volume* volume = (Volume*)_volume->private_volume;
1224 	if (volume->IsReadOnly())
1253 			notify_stat_changed(volume->ID(), -1, inode->ID(),
1277 	Volume* volume = (Volume*)_volume->private_volume;
1281 		notify_stat_changed(volume->ID(), -1, inode->ID(), B_STAT_SIZE);
1333 	Volume* volume = (Volume*)_volume->private_volume;
1336 	if (volume->IsReadOnly())
1347 	Transaction transaction(volume->GetJournal());
1355 	put_vnode(volume->FSVolume(), id);
1357 	entry_cache_add(volume->ID(), directory->ID(), name, id);
1361 		entry_cache_remove(volume->ID(), directory->ID(), name);
1365 	notify_entry_created(volume->ID(), directory->ID(), name, id);
1378 	Volume* volume = (Volume*)_volume->private_volume;
1386 	Transaction transaction(volume->GetJournal());
1391 	HTree htree(volume, directory);
1403 	Vnode vnode(volume, id);
1423 	entry_cache_remove(volume->ID(), directory->ID(), name);
1424 	entry_cache_remove(volume->ID(), id, "..");
1428 		entry_cache_add(volume->ID(), directory->ID(), name, id);
1429 		entry_cache_add(volume->ID(), id, "..", id);
1431 		notify_entry_removed(volume->ID(), directory->ID(), name, id);
1462 	Volume* volume = (Volume*)_volume->private_volume;
1490 		dirent->d_dev = volume->ID();
1529 	Volume* volume = (Volume*)_volume->private_volume;
1532 	if (!(volume->SuperBlock().CompatibleFeatures() & EXT2_FEATURE_EXT_ATTR))
1586 	Volume* volume = (Volume*)_volume->private_volume;
1588 	dirent->d_dev = volume->ID();
1614 	Volume* volume = (Volume*)_volume->private_volume;
1618 	if (!(volume->SuperBlock().CompatibleFeatures() & EXT2_FEATURE_EXT_ATTR))