>> But S_BIAS is undefined. It is not declared anywhere in the aufs2 or >> the kernel tree. > > It's just because your kernel is not vanilla. It is modified by CentOS. > If you searched plain 2.6.32, you would find this in include/linux/fs.h. > > #define S_BIAS (1<<30) > > Ideally you should track all changes made by CentOS, consider how they > affect aufs, decide how aufs re-act to them, and test/debug your > solution.
Agreed. Stupid of me not to look at the vanilla kernel. > If I were you, for this S_BIAS case only, I'd handle S_BIAS as zero. I'll stick to 1<<30 for now and compile. ------------------------------------------------------------------------------
