diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 6977422454a49d6b6054e9e5ccbea7eba9a0b460..3b54b7f8c9b9bed21542a32559d6e807cfb26b1e 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1429,8 +1429,10 @@ static int dm_integrity_rw_tag(struct dm_integrity_c *ic, unsigned char *tag, se
 		if (op == TAG_READ) {
 			memcpy(tag, dp, to_copy);
 		} else if (op == TAG_WRITE) {
-			memcpy(dp, tag, to_copy);
-			dm_bufio_mark_partial_buffer_dirty(b, *metadata_offset, *metadata_offset + to_copy);
+			if (memcmp(dp, tag, to_copy)) {
+				memcpy(dp, tag, to_copy);
+				dm_bufio_mark_partial_buffer_dirty(b, *metadata_offset, *metadata_offset + to_copy);
+			}
 		} else {
 			/* e.g.: op == TAG_CMP */