From: Christoph Hellwig <hch@lst.de>
Date: Sun, 6 Jun 2021 09:28:40 +0000 (+0200)
Subject: block: ease restrictions for non-integrity metadata
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c05ddaf57b65b9f1df841c31d8c729597a491c63;p=users%2Fhch%2Fblock.git

block: ease restrictions for non-integrity metadata

There is no need to force stable writes or the inline crypto exclusion
if we are only using non-integrity metadata.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 12ed2e7c2e76..5612a6dbc8de 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -408,6 +408,9 @@ void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template
 	bi->tuple_size = template->tuple_size;
 	bi->tag_size = template->tag_size;
 
+	if (!bi->profile->verify_fn && !bi->profile->generate_fn)
+		return;
+
 	blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue);
 
 #ifdef CONFIG_BLK_INLINE_ENCRYPTION