but the file_size in fiel_obj_hdr is a integer which can as many as 2^32 which means 4GB,how to present 32GB? ps:if possible,yaffs can be used in a cluster of nand flash that has totally 2^32 * chunk_size? thansk a lot, Ezio On 2011-12-13 08:57, Laurie van Someren wrote: > Andre, > In a response in October 2008 Charles Manning said:- > " > > In YAFFS the file system partition can be many Gbytes. We have had > some people using it with 6 GBytes or more. > As for individual file sizes, YAFFS should be able to handle individual > files bigger than 2Gbytes but I have not tested this. If the current > code does not currently handle this then it should be a relatively > simple matter to correct that. > YAFFS stores things in the granularity of "chunks" and with current > settings that limits the file size to approx 16 m illion chunks per > file. In a system where the "chunk size" is 2k bytes that makes a > theoretical file size of 32Gbytes. > " > I expect he will add if he has further comments now. > > LvS > > -- > Laurie van Someren, Aleph One Ltd, Old Courthouse, Bottisham, CAMBRIDGE > CB25 9BA UK t: +44 (0)1 223 811 679 www.aleph1.co.uk