From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f172.google.com ([209.85.223.172]:40399 "EHLO mail-io0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754639AbeD3Pc5 (ORCPT ); Mon, 30 Apr 2018 11:32:57 -0400 Received: by mail-io0-f172.google.com with SMTP id g14-v6so6932748ioc.7 for ; Mon, 30 Apr 2018 08:32:57 -0700 (PDT) From: Jens Axboe Subject: [PATCHSET 0/2] sync discard Date: Mon, 30 Apr 2018 09:32:50 -0600 Message-Id: <1525102372-8430-1-git-send-email-axboe@kernel.dk> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: linux-xfs@vger.kernel.org, linux-block@vger.kernel.org Cc: hch@lst.de We recently had a pretty severe perf regression with the XFS async discard. This small series add a SYNC issue discard flag, and also limits the chain size for sync discards. Patch 2 adds support for reverting XFS back to doign sync discards. -- Jens Axboe