Jann: shiftfs_real_fdget() isn't relevant for special inodes. It's only used when entering shitfs via i_fops (or i_dops in the case of ioctl). For special inodes i_fop is set by init_special_inode() and never to shiftfs_file_operations.
Jann: shiftfs_ real_fdget( ) isn't relevant for special inodes. It's only used when entering shitfs via i_fops (or i_dops in the case of ioctl). For special inodes i_fop is set by init_special_ inode() and never to shiftfs_ file_operations .