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Wed, 23 Nov 2022 12:43:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4950C433C1; Wed, 23 Nov 2022 12:43:35 +0000 (UTC) From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Wed, 23 Nov 2022 07:42:32 -0500 Message-Id: <20221123124234.265396-31-sashal@kernel.org> In-Reply-To: <20221123124234.265396-1-sashal@kernel.org> References: <20221123124234.265396-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Subject: [dm-devel] [PATCH AUTOSEL 5.15 31/31] dm integrity: clear the journal on suspend X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Mike Snitzer , dm-devel@redhat.com, Mikulas Patocka , agk@redhat.com Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Mikulas Patocka [ Upstream commit 984bf2cc531e778e49298fdf6730e0396166aa21 ] There was a problem that a user burned a dm-integrity image on CDROM and could not activate it because it had a non-empty journal. Fix this problem by flushing the journal (done by the previous commit) and clearing the journal (done by this commit). Once the journal is cleared, dm-integrity won't attempt to replay it on the next activation. Signed-off-by: Mikulas Patocka Signed-off-by: Mike Snitzer Signed-off-by: Sasha Levin --- drivers/md/dm-integrity.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 761a40b0cc0c..5f51958e98de 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -259,6 +259,7 @@ struct dm_integrity_c { struct completion crypto_backoff; + bool wrote_to_journal; bool journal_uptodate; bool just_formatted; bool recalculate_flag; @@ -2361,6 +2362,8 @@ static void integrity_commit(struct work_struct *w) if (!commit_sections) goto release_flush_bios; + ic->wrote_to_journal = true; + i = commit_start; for (n = 0; n < commit_sections; n++) { for (j = 0; j < ic->journal_section_entries; j++) { @@ -3084,6 +3087,14 @@ static void dm_integrity_postsuspend(struct dm_target *ti) queue_work(ic->writer_wq, &ic->writer_work); drain_workqueue(ic->writer_wq); dm_integrity_flush_buffers(ic, true); + if (ic->wrote_to_journal) { + init_journal(ic, ic->free_section, + ic->journal_sections - ic->free_section, ic->commit_seq); + if (ic->free_section) { + init_journal(ic, 0, ic->free_section, + next_commit_seq(ic->commit_seq)); + } + } } if (ic->mode == 'B') { @@ -3111,6 +3122,8 @@ static void dm_integrity_resume(struct dm_target *ti) DEBUG_print("resume\n"); + ic->wrote_to_journal = false; + if (ic->provided_data_sectors != old_provided_data_sectors) { if (ic->provided_data_sectors > old_provided_data_sectors && ic->mode == 'B' && -- 2.35.1 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83F8BC4332F for ; Wed, 23 Nov 2022 12:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237897AbiKWMuN (ORCPT ); Wed, 23 Nov 2022 07:50:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237920AbiKWMtP (ORCPT ); Wed, 23 Nov 2022 07:49:15 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44E4474A95; Wed, 23 Nov 2022 04:43:39 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DF9AEB81F31; Wed, 23 Nov 2022 12:43:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4950C433C1; Wed, 23 Nov 2022 12:43:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669207416; bh=hgFrThZIfcHBiwNkmY0R/fI19wtC+GeruQrc2MOW8Vg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h4pO5Bc0diGfrca0dcxCAVRJk5qVTX9MYxY7cFZt6GGdTLG/OZd9i/zwLa1XX+VEu GkLMS2Pzpg/0jjFoINETpj33beUToHrNrPcYRMnsjvm+ir+i7/8RZL6m1wEge7c0dq W5k0ehs07xKrNHoNa8ABz/ZXLH1+4hvHYHf58Vu4Fu3WgsAQAKXW8aWr97+eCRwC6F WbzCTSGWP4sfG3ED84y/VhzBZiz4YVw/fgAWZ3GZZdl5YJ5X9kkmEzrVtItSHrs1ce 8Al6JVBZxcnE4H/79MRjIHKREgDW5WzHxExcO3071O09kzsulZZRcNUp9kMKn9ypya r5T5QtapycJkw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mikulas Patocka , Mike Snitzer , Sasha Levin , agk@redhat.com, dm-devel@redhat.com Subject: [PATCH AUTOSEL 5.15 31/31] dm integrity: clear the journal on suspend Date: Wed, 23 Nov 2022 07:42:32 -0500 Message-Id: <20221123124234.265396-31-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221123124234.265396-1-sashal@kernel.org> References: <20221123124234.265396-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mikulas Patocka [ Upstream commit 984bf2cc531e778e49298fdf6730e0396166aa21 ] There was a problem that a user burned a dm-integrity image on CDROM and could not activate it because it had a non-empty journal. Fix this problem by flushing the journal (done by the previous commit) and clearing the journal (done by this commit). Once the journal is cleared, dm-integrity won't attempt to replay it on the next activation. Signed-off-by: Mikulas Patocka Signed-off-by: Mike Snitzer Signed-off-by: Sasha Levin --- drivers/md/dm-integrity.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 761a40b0cc0c..5f51958e98de 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -259,6 +259,7 @@ struct dm_integrity_c { struct completion crypto_backoff; + bool wrote_to_journal; bool journal_uptodate; bool just_formatted; bool recalculate_flag; @@ -2361,6 +2362,8 @@ static void integrity_commit(struct work_struct *w) if (!commit_sections) goto release_flush_bios; + ic->wrote_to_journal = true; + i = commit_start; for (n = 0; n < commit_sections; n++) { for (j = 0; j < ic->journal_section_entries; j++) { @@ -3084,6 +3087,14 @@ static void dm_integrity_postsuspend(struct dm_target *ti) queue_work(ic->writer_wq, &ic->writer_work); drain_workqueue(ic->writer_wq); dm_integrity_flush_buffers(ic, true); + if (ic->wrote_to_journal) { + init_journal(ic, ic->free_section, + ic->journal_sections - ic->free_section, ic->commit_seq); + if (ic->free_section) { + init_journal(ic, 0, ic->free_section, + next_commit_seq(ic->commit_seq)); + } + } } if (ic->mode == 'B') { @@ -3111,6 +3122,8 @@ static void dm_integrity_resume(struct dm_target *ti) DEBUG_print("resume\n"); + ic->wrote_to_journal = false; + if (ic->provided_data_sectors != old_provided_data_sectors) { if (ic->provided_data_sectors > old_provided_data_sectors && ic->mode == 'B' && -- 2.35.1