From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f66.google.com ([74.125.83.66]:36629 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752008AbdC0MHd (ORCPT ); Mon, 27 Mar 2017 08:07:33 -0400 Received: by mail-pg0-f66.google.com with SMTP id 81so12368574pgh.3 for ; Mon, 27 Mar 2017 05:07:32 -0700 (PDT) From: Ming Lei To: Jens Axboe , linux-block@vger.kernel.org, Christoph Hellwig Cc: Bart Van Assche , Hannes Reinecke , Ming Lei Subject: [PATCH v3 0/4] block: misc changes Date: Mon, 27 Mar 2017 20:06:54 +0800 Message-Id: <20170327120658.29864-1-tom.leiming@gmail.com> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org Hi, The 1st patch add comments on blk-mq races with timeout handler. The other 3 patches improves handling for dying queue: - the 2nd one adds one barrier in blk_queue_enter() for avoiding hanging caused by out-of-order - the 3rd and 4th patches block new I/O entering queue after queue is set as dying V3: - tweak comments as suggested by Bart Van Assche V2: - add one missing barrier in blk_queue_enter() V1: - add comments on races related with timeout handler - add Tested-by & Reviewed-by tag thanks, Ming Ming Lei (4): blk-mq: comment on races related with timeout handler block: add a read barrier in blk_queue_enter() block: rename blk_mq_freeze_queue_start() block: block new I/O just after queue is set as dying block/blk-core.c | 16 ++++++++++++++++ block/blk-mq.c | 32 +++++++++++++++++++++++++++----- drivers/block/mtip32xx/mtip32xx.c | 2 +- drivers/nvme/host/core.c | 2 +- include/linux/blk-mq.h | 2 +- 5 files changed, 46 insertions(+), 8 deletions(-) -- 2.9.3