[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/md/bcache/extents.h b/src/kernel/linux/v4.19/drivers/md/bcache/extents.h
new file mode 100644
index 0000000..4d667e0
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/md/bcache/extents.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHE_EXTENTS_H
+#define _BCACHE_EXTENTS_H
+
+extern const struct btree_keys_ops bch_btree_keys_ops;
+extern const struct btree_keys_ops bch_extent_keys_ops;
+
+struct bkey;
+struct cache_set;
+
+void bch_extent_to_text(char *buf, size_t size, const struct bkey *k);
+bool __bch_btree_ptr_invalid(struct cache_set *c, const struct bkey *k);
+bool __bch_extent_invalid(struct cache_set *c, const struct bkey *k);
+
+#endif /* _BCACHE_EXTENTS_H */