Bo Brantén wrote: > > Hello, Hello. > > I would like to ask you how file tails are stored on ReiserFs 3.6, am > I right that they are stored as either one or two items but not more > than two? Yes, if you mean (default) "small" tail suppression policy. Indeed, a data flow of size < blocksize can not be split into more then 2 chunks, if you partition it by a lattice which has a step == blocksize. > > Also I found this statement on the Internet: > > "If a tail is larger than the maximum size of a file that can fit into > a formatted node but is smaller than the unformatted node size (4K), > then it is stored in an unformatted node, Right. It fits perfectly the "small" policy . > and a pointer to it plus a count of the space used is stored in an > indirect item." This looks like some not related calculation.. > > Does this represent a third case not covered of what I said above, and > if so how does one detect this case and find the tail data? There is no special interfaces to access tail data. You can try to parse debugreiserfs -d output.. Thanks, Edward. -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
