From patchwork Thu Nov 7 19:42:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Sandeen X-Patchwork-Id: 11233687 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D2EA71747 for ; Thu, 7 Nov 2019 19:42:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A69C42087E for ; Thu, 7 Nov 2019 19:42:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Q3tOqo3S" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726251AbfKGTm0 (ORCPT ); Thu, 7 Nov 2019 14:42:26 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:29425 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726019AbfKGTm0 (ORCPT ); Thu, 7 Nov 2019 14:42:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573155745; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Z8s+/o9fKO8+Q0RAqw1ZIHuCdxl2SlwI1ZLCvKr+9Y4=; b=Q3tOqo3SFekbVD7CYlp3LVp1V5e5VQ75vPg0uK150A+abYVpKqwHPJOn/7hSaO2XOXiZid UFHb3FjnVA3VLES2r6NIhkJmcs6WFHa0AIHB5dcCUMAkgd8O8IF0ag3z3y2n5dWKSO4T3K n2O7qFg8MZ7p565d4ty0oWgMP8Hn7Qs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-224-NP7UO9TzMBGw2qzZNdg3dQ-1; Thu, 07 Nov 2019 14:42:23 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 62284477; Thu, 7 Nov 2019 19:42:22 +0000 (UTC) Received: from [IPv6:::1] (ovpn04.gateway.prod.ext.phx2.redhat.com [10.5.9.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A5C2210016DA; Thu, 7 Nov 2019 19:42:21 +0000 (UTC) To: fsdevel From: Eric Sandeen Subject: [PATCH 0/2] avoid softlockups in various s_inodes iterators Cc: Al Viro Message-ID: Date: Thu, 7 Nov 2019 13:42:20 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: NP7UO9TzMBGw2qzZNdg3dQ-1 X-Mimecast-Spam-Score: 0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 2 patches to make sure we either schedule in an s_inodes walking loop, or do our best to limit the size of the walk, to avoid soft lockups. -Eric