upperfile 58 fs/overlayfs/readdir.c struct file *upperfile; upperfile 840 fs/overlayfs/readdir.c realfile = READ_ONCE(od->upperfile); upperfile 848 fs/overlayfs/readdir.c if (!od->upperfile) { upperfile 853 fs/overlayfs/readdir.c smp_store_release(&od->upperfile, realfile); upperfile 858 fs/overlayfs/readdir.c realfile = od->upperfile; upperfile 877 fs/overlayfs/readdir.c if (od->upperfile) upperfile 878 fs/overlayfs/readdir.c fput(od->upperfile);