F_CANCELLK 1373 fs/fuse/file.c if (cmd == F_CANCELLK) { F_CANCELLK 640 fs/gfs2/ops_file.c if (cmd == F_CANCELLK) { F_CANCELLK 2074 fs/locks.c return filp->f_op->lock(filp, F_CANCELLK, fl); F_CANCELLK 768 fs/ocfs2/stack_user.c if (cmd == F_CANCELLK) {