Hello, Sorry for my late reply. On Mon, Sep 02, 2013 at 11:40:15AM +0200, Felipe Monteiro de Carvalho wrote: > Hello, > > Ok, I found the extra data over 60 bytes ... it is in an extended > attribute called "data" in the space after the inode. The wiki says it > should be called "system.data" =( > > Also the wiki says here > https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout#Extended_Attributes > that "Extended attributes, when >>>not<<<< stored after the inode, > have a header ext4_xattr_ibody_header that is 4 bytes long:" > > Which in my oppinion is false, it should be: "Extended attributes, > when stored after the inode, have a header ext4_xattr_ibody_header > that is 4 bytes long:" without the "not" > > But I still am not sure of one thing: How can I know how many entries > of extended attributes there are? Nothing in the wiki explains this =( You need to traverse the all entries to get this value. > > Otherwise I cannot differentiate between yet another entry and simply > data from an extended attribute... You can use attribute name and name index to differentiate these entries. You can read the comment at the front of fs/ext4/xattr.c and it might help you to understand extended attribute. Regards, - Zheng -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
