On Fri, Apr 04, 2014 at 03:23:29PM +0200, Oliver Welter wrote: > Bump - hmm nobody here with a hint on that? > Am 24.03.2014 11:11, schrieb Oliver Welter: >> Hello, >> I am using the linux vserver patch in combination with the >> aufs overlay filesystem which did its job pretty nice the >> last years. >> I tried to update to 3.4.83 yesterday and ran into a >> compilation error - it is inside the aufs code but the >> maintainer told me that the reason is a wrong typecast >> inside the vserver patch. Well, I can assure you, there is nothing wrong with either code (aufs or Linux-VServer) in this regard. >> As I am not that kernel guru, I hope somebody here can >> help me out. Here is the replied post from the aufs >> mailing list. The source of the aufs code is available at >> https://github.com/sfjro/aufs3-linux/tree/aufs3.4, my >> patched source is available at >> https://github.com/oliwel/aufs3-linux/tree/vserver >> --snipp-- >> Oliver Welter: >>> fs/aufs/cpup.c: In function 'au_cpup_attr_flags': >>> fs/aufs/cpup.c:32:2: error: size of unnamed array is negative >> ::: >>> The source is made of: >>> * latest HEAD of aufs3.4 branch (c1ecf4f) >>> * merged with kernel archive linux-3.4.y (0c4f5371) >>> * vserver patch from >>> http://www.linux-vserver.org/Welcome_to_Linux-VServer.org >>> (http://vserver.13thfloor.at/Experimental/patch-3.4.83-vs2.3.3.9.diff) >> The vserver patch converts "unsigned int i_flags" to >> unsigned short, and the line BUILD_BUG_ON(sizeof(iflags) != >> sizeof(dst->i_flags)) (which carefully check the consistency >> between linux kernel and aufs source files) detects it >> expectedly. As explained, the Linux-VServer patch changes certain data structures and the aufs patch expects the 'original' structures. >> In order to support vserver, I am afraid you need to solve these >> issues. >> - convert a variable in aufs which corresponds to "unsigned >> int i_flags" into unsigned short. >> - support the newly added flag vlaues, S_IXUNLINK, etc. >> - support the newly added variable, i_vflags, i_mdev, etc. >> - there may exist more issues. And that's exactly what you need to do. Best, Herbert >> --snapp-- >> best regards >> Oliver > -- > Protect your environment - close windows and adopt a penguin!