MOUNT_ATTR_RDONLY 3390 fs/namespace.c if (attr_flags & ~(MOUNT_ATTR_RDONLY | MOUNT_ATTR_RDONLY 3398 fs/namespace.c if (attr_flags & MOUNT_ATTR_RDONLY) MOUNT_ATTR_RDONLY 117 samples/vfs/test-fsmount.c mfd = fsmount(fsfd, 0, MOUNT_ATTR_RDONLY);