linux-kernel - [PATCH v2 1/2] block:t10-pi: remove redundant Type2 check during t10 PI verify

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Message-Id: <20230908115233.261195-2-ankit.kumar@samsung.com>
Date:   Fri,  8 Sep 2023 17:22:30 +0530
From:   Ankit Kumar <ankit.kumar@...sung.com>
To:     Jens Axboe <axboe@...nel.dk>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Keith Busch <kbusch@...nel.org>
Cc:     gost.dev@...sung.com, Ankit Kumar <ankit.kumar@...sung.com>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] block:t10-pi: remove redundant Type2 check during
 t10 PI verify

T10_PI_TYPE2_PROTECTION is neither used to generate nor verify
crc and ip. This remained since T10 PI code was moved out of SCSI.

Signed-off-by: Ankit Kumar <ankit.kumar@...sung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>
---
 block/t10-pi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/t10-pi.c b/block/t10-pi.c
index 914d8cddd43a..bf0bba01417f 100644
--- a/block/t10-pi.c
+++ b/block/t10-pi.c
@@ -64,8 +64,7 @@ static blk_status_t t10_pi_verify(struct blk_integrity_iter *iter,
 		struct t10_pi_tuple *pi = iter->prot_buf;
 		__be16 csum;
 
-		if (type == T10_PI_TYPE1_PROTECTION ||
-		    type == T10_PI_TYPE2_PROTECTION) {
+		if (type == T10_PI_TYPE1_PROTECTION) {
 			if (pi->app_tag == T10_PI_APP_ESCAPE)
 				goto next;
 
-- 
2.25.1