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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 8BD1BC43331 for ; Wed, 1 Apr 2020 16:40:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B21120719 for ; Wed, 1 Apr 2020 16:40:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585759220; bh=6LKp/oRxKgmott8F39xSSbLgaXXdxdcuUA0dT6lBzm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=It5xpNPvoSSXfFtk4Lt2rhfXca2c/yM6QTBB+flcDfqLgvfm5DAw/gPK+aFNmi40d +8oTbqOHdzMFqTkFJVrk78VO+JqhM43s8oLW4tx9jq6yu00AahC0JISkc5eHokqENK mJoFjZ6+GTOt9/+DNkZE3Zgkwc7Xhbb3wlsaJtRY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387956AbgDAQkS (ORCPT ); Wed, 1 Apr 2020 12:40:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:40418 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389011AbgDAQkO (ORCPT ); Wed, 1 Apr 2020 12:40:14 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1E0342063A; Wed, 1 Apr 2020 16:40:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585759213; bh=6LKp/oRxKgmott8F39xSSbLgaXXdxdcuUA0dT6lBzm8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GorfBjCXuAj3hjbYF0B9nWDhJt6meDrwuOlJgQd7cDEkKOABDRmkMICvKT6Ahv1Q5 SCQSkZnVuktSAhJEznUO0jxTat7kW6hKMCYGr5AYv6Gx9p0xcUqbShKJIFjzhmi9pA nPin7yy4yZ53PQDWzec/GeaXAdB4/9hc3Mmcb3P4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mikulas Patocka , Mike Snitzer , Sasha Levin Subject: [PATCH 4.14 010/148] dm bio record: save/restore bi_end_io and bi_integrity Date: Wed, 1 Apr 2020 18:16:42 +0200 Message-Id: <20200401161553.200729576@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200401161552.245876366@linuxfoundation.org> References: <20200401161552.245876366@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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