Hello where is information of block group stored? in other word,which data structure include the information of the block group?the kernel how to search for it? and,there is a super block per block group,or per partition? thank you -- VGER BF report: H 0.255136 - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs