file_systems/bfs/Inode.cpp

590 		// Move the attribute to a real attribute file
593 		Inode* attribute;
595 			item->Type(), &attribute);
600 		status = attribute->WriteAt(transaction, 0, item->Data(), &length);
602 		ReleaseAttribute(attribute);
609 				FATAL(("Could not remove newly created attribute!\n"));
621 /*!	Private function which removes the given attribute from the small_data
632 		// find the last attribute
662 //!	Removes the given attribute from the small_data section.
701 /*!	Try to place the given attribute in the small_data section - if the
702 	new attribute is too big to fit in that section, it returns B_DEVICE_FULL.
703 	In that case, the attribute should be written to a real attribute file;
742 	// is the attribute already in the small_data section?
745 		// find last attribute
755 			// Make room for the new attribute if needed (and we are forced
784 			// Normally, we can just overwrite the attribute data as the size
822 	// try to add the new attribute!
829 		// make room for the new attribute
903 /*!	Finds the attribute "name" in the small data section, and
991 	// remove the attribute file if it exists
1000 		Inode* attribute;
1002 			&& GetAttribute(name, &attribute) == B_OK) {
1005 			if (attribute->ReadAt(0, data, &length) == B_OK) {
1006 				index->Update(transaction, name, attribute->Type(), data,
1010 			ReleaseAttribute(attribute);
1020 		// remove attribute directory (don't fail if that can't be done)
1039 /*!	Reads data from the specified attribute.
1040 	This is a high-level attribute function that understands attributes
1041 	in the small_data section as well as real attribute files.
1076 	// search in the attribute directory
1077 	Inode* attribute;
1078 	status_t status = GetAttribute(name, &attribute);
1080 		status = attribute->ReadAt(pos, (uint8*)buffer, _length);
1082 		ReleaseAttribute(attribute);
1089 /*!	Writes data to the specified attribute.
1090 	This is a high-level attribute function that understands attributes
1091 	in the small_data section as well as real attribute files.
1109 	// TODO: for attribute files, we need to log the first
1116 	Inode* attribute = NULL;
1119 	if (GetAttribute(name, &attribute) != B_OK) {
1120 		// No attribute inode exists yet
1122 		// save the old attribute data
1143 		// if the attribute doesn't exist yet (as a file), try to put it in the
1145 		// create a real attribute file
1150 				// remove the old attribute from the small data section - there
1157 				status = CreateAttribute(transaction, name, type, &attribute);
1163 			// Update status time on attribute write
1171 	if (attribute != NULL) {
1172 		WriteLocker writeLocker(attribute->fLock);
1175 			// Save the old attribute data (if this fails, oldLength will
1177 			while (attribute->Size() > 0) {
1178 				bigtime_t oldModified = attribute->LastModified();
1182 				if (attribute->ReadAt(0, oldBuffer, &oldLength) == B_OK)
1188 				if (oldModified == attribute->LastModified())
1209 			// The attribute type might have been changed - we need to
1211 			attribute->Node().type = HOST_ENDIAN_TO_BFS_INT32(type);
1212 			status = attribute->WriteBack(transaction);
1216 				status = attribute->WriteAt(transaction, pos, buffer,
1222 			// Update status time on attribute write
1229 		attribute->WriteLockInTransaction(transaction);
1230 		ReleaseAttribute(attribute);
1261 /*!	Removes the specified attribute from the inode.
1262 	This is a high-level attribute function that understands attributes
1263 	in the small_data section as well as real attribute files.
1291 		// remove the attribute file if it exists
1304 /*!	Returns the attribute inode with the specified \a name, in case it exists.
1305 	This method can only return real attribute files; the attributes in the
1334 		// Check if the attribute is really an attribute
1348 Inode::ReleaseAttribute(Inode* attribute)
1350 	if (attribute == NULL)
1353 	put_vnode(fVolume->FSVolume(), attribute->ID());
1359 	Inode** attribute)
1361 	// do we need to create the attribute directory first?
1375 		S_ATTR | S_FILE | 0666, 0, type, NULL, NULL, attribute);
1396 		// Unlike index and attribute directories, directories
1767 	// Attributes, attribute directories, and long symlinks usually won't get
2392 	// We may also want to flush the attribute's data stream to
2549 	// bit is set for indices in BFS, not for attribute directories) - but you
2605 	adds the created inode to that parent directory. If an attribute directory
2920 	// read attributes out of the attribute directory
2953 	Inode* attribute;
2954 	if ((status = vnode.Get(&attribute)) == B_OK) {
2955 		*_type = attribute->Type();