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=-3.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 72AA5C10F11 for ; Wed, 10 Apr 2019 19:56:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B46620830 for ; Wed, 10 Apr 2019 19:56:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=toxicpanda-com.20150623.gappssmtp.com header.i=@toxicpanda-com.20150623.gappssmtp.com header.b="opR1t9m7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726577AbfDJT4Q (ORCPT ); Wed, 10 Apr 2019 15:56:16 -0400 Received: from mail-qt1-f174.google.com ([209.85.160.174]:46394 "EHLO mail-qt1-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726517AbfDJT4Q (ORCPT ); Wed, 10 Apr 2019 15:56:16 -0400 Received: by mail-qt1-f174.google.com with SMTP id z17so4342832qts.13 for ; Wed, 10 Apr 2019 12:56:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id; bh=BQMTvB83ZHd70wjxuNdTlIHWzDlLECGNwHho2KBHMs4=; b=opR1t9m7RHJJ/QpVR8AnU6R+nlrj6X07cV7BrrszT03xBrLUD2UGGhjHtjt/l5dfvb p5MWlbfV+o/qZYr3CKWmecnJ5OPhIm4ZQpYyJ1fe9dSWySL8I7wj8sSXdDaWeodGFXv2 dpj/erotArLGxjMLVjhpgIVPwSzvk05RzsQOp3PMrE3LnCCxqYYJdxbV1p/MAXGXC183 6Iy8vGzJcSMS8ioCsKc+ww7IDq2C+bqDlIorshFX2wYdTfqpO9279miMuaXmtEWMvvxG 70VSxvY4WjnV7R4RgKGrBxKdqdpYxbPiHEukI1FxpDPuA177Nr7Pha1PHZrimlU3rfLw PoNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=BQMTvB83ZHd70wjxuNdTlIHWzDlLECGNwHho2KBHMs4=; b=Y1BLSsZDkfMst1RWAjzOIoel3q9Zo5VFFR0dhaIQwlw0VS68eBoaQmerSAPlOMrcdv 6UaXPl9pxNK+CnEUhlCsKvzGnBoRn6xXLLRCOhXt7omqPaqF6bgdYE7AtPSETKTnFiLm VYL4gCCrQAwDEeh9GeQN6MyqodsByScDLwVzZpP3PotajINVbvYPN+XfMhFMqHzkN94n OHs8sZ1usFuzNOaVcgZQwyJj7Ijxg8onGD2j0+i5ShMaUstHfYTc+I3m/A28YXG46x/H 36W6f5xYJIA0MQT6jul7nP6VA80X2ek4LZTxLthjsfVmOQg1+veDwZkLOqexfGqWOF5U S2Mw== X-Gm-Message-State: APjAAAXRJm2DQrfqE1wAwecwl2MI+Ejt2PV5Dh0agIJPZ4kfypdyjRdl eWbMawTjNI+gSWPw2PvxbhTtAoA+6mgdsQ== X-Google-Smtp-Source: APXvYqzA9MmDXnsuhYRb/bQDKWjT83UFpB7glTXjeAVL0/JUKn44yboaZs28UkI7iLVsVRZ4aiw40w== X-Received: by 2002:a0c:b581:: with SMTP id g1mr10566995qve.97.1554926174702; Wed, 10 Apr 2019 12:56:14 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id e18sm4754826qki.82.2019.04.10.12.56.13 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Apr 2019 12:56:14 -0700 (PDT) From: Josef Bacik To: linux-btrfs@vger.kernel.org Subject: [PATCH 0/2] ENOSPC refinements Date: Wed, 10 Apr 2019 15:56:08 -0400 Message-Id: <20190410195610.84110-1-josef@toxicpanda.com> X-Mailer: git-send-email 2.13.5 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org I noticed our continuous testing for btrfs started timing out recently, and dug down to discover that generic/224 was taking upwards of an hour to run. This test should take seconds to run, so this is a problem. Fix this by reworking how we do delalloc metadata reservations, as described in patch 2/2. I also noticed we don't quite do the right thing when we are mostly O_DIRECT, and addressed this in patch 1/2. I've run these through xfstests and everything is back to normal. Thanks, Josef