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 C8E40C43217 for ; Wed, 5 Oct 2022 20:04:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229722AbiJEUEa (ORCPT ); Wed, 5 Oct 2022 16:04:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34382 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230123AbiJEUE3 (ORCPT ); Wed, 5 Oct 2022 16:04:29 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C848A2D1C3 for ; Wed, 5 Oct 2022 13:04:27 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 74FB1B81F2D for ; Wed, 5 Oct 2022 20:04:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4D63C433D6; Wed, 5 Oct 2022 20:04:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665000265; bh=KX7BO/0MQep+t3eyK4s4doS/1R/Mp3i6L3wRr8f3eUA=; h=From:To:Cc:Subject:Date:From; b=ViwkW6J8T8+K+OVF1EbkEQAVyiu9Yei+XrVas5fm+9jdt8qX51NzF1roJw51I1D7R gXO8aRtBsnquwPi/kOG+oNHhjFOQqpNUy0hTZzTCalppdU1h+pfWoI6QXClBKh1vej rEBu8gOq4tZIQzNGTZg6YtCVq2EIG83JBd8GeEItumTC7anYPfUN6c+tYaBOOaQZ5o uHBm2LhmpPwPQQlIrwS3PzrGRQqU1cBJ9xrL7mUxp3VsR/sK/9svsm7BldUepl2TEy UsvOjlUVLxEFDf7M5EVPeP3zTfm1VwzNBbSxEuLj7kY+XumJZxvQ+NlEqxCF6xx4K6 LNqCx8Cet8oFQ== From: trondmy@kernel.org To: Anna Schumaker Cc: linux-nfs@vger.kernel.org Subject: [PATCH 0/4] pNFS/flexfiles: Cancel I/O if the layout is revoked Date: Wed, 5 Oct 2022 15:57:34 -0400 Message-Id: <20221005195738.4552-1-trondmy@kernel.org> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Trond Myklebust The pNFS/flexfiles driver is capable of having a lot of outstanding I/O in the RPC layer when it flushes out the writeback data. If the server decides to recall or revoke the layout when this happens, then it takes a while for that I/O to complete. To speed things up, add an API to allow the flexfiles driver to cancel that I/O and hence return the layout earlier. Trond Myklebust (4): SUNRPC: Fix races with rpc_killall_tasks() SUNRPC: Add a helper to allow pNFS drivers to selectively cancel RPC calls SUNRPC: Add API to force the client to disconnect NFSv4/flexfiles: Cancel I/O if the layout is recalled or revoked fs/nfs/flexfilelayout/flexfilelayout.c | 84 +++++++++++++++++++++++++- fs/nfs/pnfs.c | 9 ++- fs/nfs/pnfs.h | 9 +++ include/linux/sunrpc/clnt.h | 1 + include/linux/sunrpc/sched.h | 6 ++ net/sunrpc/clnt.c | 57 +++++++++++++++-- net/sunrpc/sched.c | 51 +++++++++++----- net/sunrpc/xprtsock.c | 3 +- 8 files changed, 194 insertions(+), 26 deletions(-) -- 2.37.3