diff --git a/fs/incfs/main.c b/fs/incfs/main.c
index 2b8161f6c83a..2332fa5b7f45 100644
--- a/fs/incfs/main.c
+++ b/fs/incfs/main.c
@@ -38,9 +38,18 @@ static ssize_t report_uid_show(struct kobject *kobj,
 
 static struct kobj_attribute report_uid_attr = __ATTR_RO(report_uid);
 
+static ssize_t zstd_show(struct kobject *kobj,
+			       struct kobj_attribute *attr, char *buff)
+{
+	return snprintf(buff, PAGE_SIZE, "supported\n");
+}
+
+static struct kobj_attribute zstd_attr = __ATTR_RO(zstd);
+
 static struct attribute *attributes[] = {
 	&corefs_attr.attr,
 	&report_uid_attr.attr,
+	&zstd_attr.attr,
 	NULL,
 };
 
diff --git a/include/uapi/linux/incrementalfs.h b/include/uapi/linux/incrementalfs.h
index 482cebd67c0d..0de1f6eeec84 100644
--- a/include/uapi/linux/incrementalfs.h
+++ b/include/uapi/linux/incrementalfs.h
@@ -141,6 +141,11 @@
  */
 #define INCFS_FEATURE_FLAG_REPORT_UID "report_uid"
 
+/*
+ * zstd compression support
+ */
+#define INCFS_FEATURE_FLAG_ZSTD "zstd"
+
 enum incfs_compression_alg {
 	COMPRESSION_NONE = 0,
 	COMPRESSION_LZ4 = 1,