> > > > http://www.kerneloops.org/raw.php?rawid=12419&msgid= > > > > Looks like a negative inode in S_ISDIR(mnt->mnt_root->d_inode->i_mode), > > which would be due to NFS not properly filling in its root dentry? > > Look more carefully. It's path->dentry; aside of the fact that dentry > pointer is fetched at offset 8 from one of the arguments (fits path->dentry, > too low for mnt->mnt_root), Yup, realized this after posting. > do_add_mount() itself has just done S_ISLNK > on the very same thing, so it'd die before getting to graft_tree(). > > No, it's either path_lookup() somehow returning a negative dentry in > do_mount() (which shouldn't be possible, unless it's some crap around > return_reval in __link_path_walk()) or it's follow_down() giving us > a negative dentry. Which almost certainly would've exploded prior to > that... I think it must be autofs4 doing something weird. Like this in autofs4_lookup_unhashed(): /* * Make the rehashed dentry negative so the VFS * behaves as it should. */ if (inode) { dentry->d_inode = NULL; Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
