From patchwork Fri Mar 5 06:55:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingbo Xu X-Patchwork-Id: 394497 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, 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 E04DBC433E9 for ; Fri, 5 Mar 2021 06:55:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B56A165014 for ; Fri, 5 Mar 2021 06:55:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229475AbhCEGzd (ORCPT ); Fri, 5 Mar 2021 01:55:33 -0500 Received: from out30-131.freemail.mail.aliyun.com ([115.124.30.131]:55565 "EHLO out30-131.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229457AbhCEGzd (ORCPT ); Fri, 5 Mar 2021 01:55:33 -0500 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R731e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04420; MF=jefflexu@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0; TI=SMTPD_---0UQWlMF8_1614927329; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0UQWlMF8_1614927329) by smtp.aliyun-inc.com(127.0.0.1); Fri, 05 Mar 2021 14:55:30 +0800 From: Jeffle Xu To: gregkh@linuxfoundation.org, sashal@kernel.org Cc: stable@vger.kernel.org, jefflexu@linux.alibaba.com, snitzer@redhat.com Subject: [PATCH 4.19.y 3/5] dm table: fix partial completion iterate_devices based device capability checks Date: Fri, 5 Mar 2021 14:55:24 +0800 Message-Id: <20210305065526.72663-4-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210305065526.72663-1-jefflexu@linux.alibaba.com> References: <1614606251118245@kroah.com> <20210305065526.72663-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Similar to commit a4c8dd9c2d09 ("dm table: fix iterate_devices based device capability checks"), fix partial completion capability check and invert logic of the corresponding iterate_devices_callout_fn so that all devices' partial completion capabilities are properly checked. Signed-off-by: Jeffle Xu Fixes: 22c11858e800 ("dm: introduce DM_TYPE_NVME_BIO_BASED") --- drivers/md/dm-table.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5a94e6dc0b70..1f745d371957 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1772,18 +1772,18 @@ static int queue_no_sg_merge(struct dm_target *ti, struct dm_dev *dev, return q && test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags); } -static int device_no_partial_completion(struct dm_target *ti, struct dm_dev *dev, +static int device_is_partial_completion(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { char b[BDEVNAME_SIZE]; /* For now, NVMe devices are the only devices of this class */ - return (strncmp(bdevname(dev->bdev, b), "nvme", 4) == 0); + return (strncmp(bdevname(dev->bdev, b), "nvme", 4) != 0); } static bool dm_table_does_not_support_partial_completion(struct dm_table *t) { - return dm_table_all_devices_attribute(t, device_no_partial_completion); + return !dm_table_any_dev_attr(t, device_is_partial_completion); } static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *dev,