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Mon, 27 Feb 2023 02:08:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89A69C4339B; Mon, 27 Feb 2023 02:08:42 +0000 (UTC) From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Sun, 26 Feb 2023 21:04:52 -0500 Message-Id: <20230227020457.1048737-54-sashal@kernel.org> In-Reply-To: <20230227020457.1048737-1-sashal@kernel.org> References: <20230227020457.1048737-1-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 10.11.54.7 Subject: [dm-devel] [PATCH AUTOSEL 6.1 54/58] dm cache: add cond_resched() to various workqueue loops 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 , dm-devel@redhat.com, Mike Snitzer , 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: Mike Snitzer [ Upstream commit 76227f6dc805e9e960128bcc6276647361e0827c ] Otherwise on resource constrained systems these workqueues may be too greedy. Signed-off-by: Mike Snitzer Signed-off-by: Sasha Levin --- drivers/md/dm-cache-target.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 5e92fac90b675..17fde3e5a1f7b 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1805,6 +1805,7 @@ static void process_deferred_bios(struct work_struct *ws) else commit_needed = process_bio(cache, bio) || commit_needed; + cond_resched(); } if (commit_needed) @@ -1827,6 +1828,7 @@ static void requeue_deferred_bios(struct cache *cache) while ((bio = bio_list_pop(&bios))) { bio->bi_status = BLK_STS_DM_REQUEUE; bio_endio(bio); + cond_resched(); } } @@ -1867,6 +1869,8 @@ static void check_migrations(struct work_struct *ws) r = mg_start(cache, op, NULL); if (r) break; + + cond_resched(); } } -- 2.39.0 -- 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 04783C64ED6 for ; Mon, 27 Feb 2023 02:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231612AbjB0CfD (ORCPT ); Sun, 26 Feb 2023 21:35:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231680AbjB0Cep (ORCPT ); Sun, 26 Feb 2023 21:34:45 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BA211A4A2; Sun, 26 Feb 2023 18:34:00 -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 dfw.source.kernel.org (Postfix) with ESMTPS id B617B60C87; Mon, 27 Feb 2023 02:08:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89A69C4339B; Mon, 27 Feb 2023 02:08:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677463723; bh=D77E3HGkEAgVD99HBKOVsC4nyEMEuQC/qaki7GUfkTE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IuvWYAxp8Y8dq9R24deZ0BfsEZ2Llayh9tlfBTVCx/KZjJBvF49cIH8v2Y5WW0eW+ cH4DUEMTDl1eYtzlnS/CyjruPMbC6UTAqHh5lHLQdto6duio6Nla1rtzAPBYKv13VY rgqmKhNR51BZ2HO+ZH1wdgf83vTkMbah07P3ISzK1tJXoZxwExnSQ/D3zF10AuH2+Z G3zo/H3aja4hSgE6llciKEDkTE+88+J7PfHuRcrNM2hjHjhnx4falkyXyPg/t9YvIL HdI2lLiobiDc/3q01PY7CiP1xjlaVdbD5az5PWkkpRacQLsZsAWi79YqeTIjFF4Py7 XMz27/3yJGmqw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mike Snitzer , Sasha Levin , agk@redhat.com, dm-devel@redhat.com Subject: [PATCH AUTOSEL 6.1 54/58] dm cache: add cond_resched() to various workqueue loops Date: Sun, 26 Feb 2023 21:04:52 -0500 Message-Id: <20230227020457.1048737-54-sashal@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230227020457.1048737-1-sashal@kernel.org> References: <20230227020457.1048737-1-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: linux-kernel@vger.kernel.org From: Mike Snitzer [ Upstream commit 76227f6dc805e9e960128bcc6276647361e0827c ] Otherwise on resource constrained systems these workqueues may be too greedy. Signed-off-by: Mike Snitzer Signed-off-by: Sasha Levin --- drivers/md/dm-cache-target.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 5e92fac90b675..17fde3e5a1f7b 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1805,6 +1805,7 @@ static void process_deferred_bios(struct work_struct *ws) else commit_needed = process_bio(cache, bio) || commit_needed; + cond_resched(); } if (commit_needed) @@ -1827,6 +1828,7 @@ static void requeue_deferred_bios(struct cache *cache) while ((bio = bio_list_pop(&bios))) { bio->bi_status = BLK_STS_DM_REQUEUE; bio_endio(bio); + cond_resched(); } } @@ -1867,6 +1869,8 @@ static void check_migrations(struct work_struct *ws) r = mg_start(cache, op, NULL); if (r) break; + + cond_resched(); } } -- 2.39.0