Lines Matching defs:uuid
779 ofs->config.uuid = OVL_UUID_NULL;
780 pr_warn("...falling back to uuid=null.\n");
945 static bool ovl_lower_uuid_ok(struct ovl_fs *ofs, const uuid_t *uuid)
953 * We allow using single lower with null uuid for index and nfs_export
956 * squashfs, do not allow decoding origin with lower null uuid unless
960 if (ovl_allow_offline_changes(ofs) && uuid_is_null(uuid))
965 * We use uuid to associate an overlay lower file handle with a
966 * lower layer, so we can accept lower fs with null uuid as long
967 * as all lower layers with null uuid are on the same fs.
968 * if we detect multiple lower fs with the same uuid, we
972 uuid_equal(&ofs->fs[i].sb->s_uuid, uuid)) {
1007 pr_warn("%s uuid detected in lower fs '%pd2', falling back to xino=%s,index=off,nfs_export=off.\n",
1029 * It is a "null fs" with a null sb, null uuid, and no pseudo dev.
1442 pr_warn("The uuid=off requires a single fs for lower and upper, falling back to uuid=null.\n");
1443 ofs->config.uuid = OVL_UUID_NULL;
1445 /* Use per instance persistent uuid/fsid */