From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:48892 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753212AbdI1NeI (ORCPT ); Thu, 28 Sep 2017 09:34:08 -0400 Subject: Patch "dm integrity: do not check integrity for failed read operations" has been added to the 4.13-stable tree To: cheol.lee@lge.com, gmazyland@gmail.com, gregkh@linuxfoundation.org, mpatocka@redhat.com, snitzer@redhat.com Cc: , From: Date: Thu, 28 Sep 2017 15:33:51 +0200 Message-ID: <150660563185160@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled dm integrity: do not check integrity for failed read operations to the 4.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: dm-integrity-do-not-check-integrity-for-failed-read-operations.patch and it can be found in the queue-4.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b7e326f7b7375392d06f9cfbc27a7c63181f69d7 Mon Sep 17 00:00:00 2001 From: Hyunchul Lee Date: Mon, 31 Jul 2017 16:22:20 +0900 Subject: dm integrity: do not check integrity for failed read operations From: Hyunchul Lee commit b7e326f7b7375392d06f9cfbc27a7c63181f69d7 upstream. Even though read operations fail, dm_integrity_map_continue() calls integrity_metadata() to check integrity. In this case, just complete these. This also makes it so read I/O errors do not generate integrity warnings in the kernel log. Signed-off-by: Hyunchul Lee Acked-by: Milan Broz Acked-by: Mikulas Patocka Signed-off-by: Mike Snitzer Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-integrity.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1697,7 +1697,11 @@ sleep: if (need_sync_io) { wait_for_completion_io(&read_comp); - integrity_metadata(&dio->work); + if (likely(!bio->bi_status)) + integrity_metadata(&dio->work); + else + dec_in_flight(dio); + } else { INIT_WORK(&dio->work, integrity_metadata); queue_work(ic->metadata_wq, &dio->work); Patches currently in stable-queue which might be from cheol.lee@lge.com are queue-4.13/dm-integrity-do-not-check-integrity-for-failed-read-operations.patch