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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1051DC5ACBF for ; Mon, 16 Mar 2020 02:40:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1574206E9 for ; Mon, 16 Mar 2020 02:40:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584326456; bh=6LKp/oRxKgmott8F39xSSbLgaXXdxdcuUA0dT6lBzm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0ad8jd8B5DXwtxCdR0IrD3d8HRODVFrAS3Oz6D6Zhb+bgeYuFl5PPqwVsecKSozYf 1Qi+7pC0oElFYy3uKbtquL6rs2q64qRTUhAyq31jaYdvA+iuuYRHdFXspS6tNQAhgx 3kTVbOGC6S/5Dg3o0/cWokErEmQLAXBV22rjW/rw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729651AbgCPCdv (ORCPT ); Sun, 15 Mar 2020 22:33:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:36848 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729648AbgCPCdv (ORCPT ); Sun, 15 Mar 2020 22:33:51 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 732D82076B; Mon, 16 Mar 2020 02:33:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584326031; bh=6LKp/oRxKgmott8F39xSSbLgaXXdxdcuUA0dT6lBzm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=scnaQgV9w+0eni3/WWkffpiUzvTwcEYvAstvmkgJ0KSKzTCEFbaevTrwQgQ+4AG8V 8nly4BXyvwJJ7BbPtmGHdtQ1cLzEagi3npZ6qMUq0+AOA4XkreqH610xEERsoBS3N8 4JXoBtN9oOhxnWbmZqLm40J9J0PlVc78xgJo4cIQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mike Snitzer , Mikulas Patocka , Sasha Levin , dm-devel@redhat.com Subject: [PATCH AUTOSEL 5.5 26/41] dm bio record: save/restore bi_end_io and bi_integrity Date: Sun, 15 Mar 2020 22:33:04 -0400 Message-Id: <20200316023319.749-26-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200316023319.749-1-sashal@kernel.org> References: <20200316023319.749-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mike Snitzer [ Upstream commit 1b17159e52bb31f982f82a6278acd7fab1d3f67b ] Also, save/restore __bi_remaining in case the bio was used in a BIO_CHAIN (e.g. due to blk_queue_split). Suggested-by: Mikulas Patocka Signed-off-by: Mike Snitzer Signed-off-by: Sasha Levin --- drivers/md/dm-bio-record.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h index c82578af56a5b..2ea0360108e1d 100644 --- a/drivers/md/dm-bio-record.h +++ b/drivers/md/dm-bio-record.h @@ -20,8 +20,13 @@ struct dm_bio_details { struct gendisk *bi_disk; u8 bi_partno; + int __bi_remaining; unsigned long bi_flags; struct bvec_iter bi_iter; + bio_end_io_t *bi_end_io; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + struct bio_integrity_payload *bi_integrity; +#endif }; static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) @@ -30,6 +35,11 @@ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) bd->bi_partno = bio->bi_partno; bd->bi_flags = bio->bi_flags; bd->bi_iter = bio->bi_iter; + bd->__bi_remaining = atomic_read(&bio->__bi_remaining); + bd->bi_end_io = bio->bi_end_io; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + bd->bi_integrity = bio_integrity(bio); +#endif } static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) @@ -38,6 +48,11 @@ static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) bio->bi_partno = bd->bi_partno; bio->bi_flags = bd->bi_flags; bio->bi_iter = bd->bi_iter; + atomic_set(&bio->__bi_remaining, bd->__bi_remaining); + bio->bi_end_io = bd->bi_end_io; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + bio->bi_integrity = bd->bi_integrity; +#endif } #endif -- 2.20.1