New code for 5.6: - Get rid of compat_time_t - Convert time_t to time64_t in quota code - Remove shadow variables - Prevent ATTR_ flag misuse in the attrmulti ioctls - Clean out strlen in the attr code - Remove some bogus asserts - Fix various file size limit calculation errors with 32-bit kernels - Pack xfs_dir2_sf_entry_t to fix build errors on arm oabi - Fix nowait inode locking calls for directio aio reads. - Fix memory corruption bugs when invalidating remote xattr value buffers. - Streamline remote attr value removal. - Make the buffer log format size consistent across platforms. - Strengthen buffer log format size checking. - Fix messed up return types of xfs_inode_need_cow.