I want to confirm that we’re seeing this on multiple Jessie systems as well, when building for 3.16.0-5-amd64:
Building initial module for 3.16.0-5-amd64 Error! Bad return status for module build on kernel: 3.16.0-5-amd64 (x86_64) Consult /var/lib/dkms/openafs/1.6.9/build/make.log for more information. CC [M] /var/lib/dkms/openafs/1.6.9/build/src/libafs/MODLOAD-3.16.0-5-amd64-SP/osi_file.o /var/lib/dkms/openafs/1.6.9/build/src/libafs/MODLOAD-3.16.0-5-amd64-SP/osi_file.c: In function 'osi_UFSTruncate': /var/lib/dkms/openafs/1.6.9/build/src/libafs/MODLOAD-3.16.0-5-amd64-SP/osi_file.c:187:5: error: implicit declaration of function 'inode_change_ok' [-Werror=implicit-function-declaration] code = inode_change_ok(inode, &newattrs); ^ cc1: some warnings being treated as errors
