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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 85BA2C433DB for ; Mon, 11 Jan 2021 07:12:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C6DA22527 for ; Mon, 11 Jan 2021 07:12:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727635AbhAKHMH (ORCPT ); Mon, 11 Jan 2021 02:12:07 -0500 Received: from mx2.suse.de ([195.135.220.15]:43752 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727554AbhAKHMH (ORCPT ); Mon, 11 Jan 2021 02:12:07 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 00E1CAFB4; Mon, 11 Jan 2021 07:11:25 +0000 (UTC) Subject: Re: [PATCH] blk-mq-debugfs: Add decode for BLK_MQ_F_TAG_HCTX_SHARED To: John Garry , axboe@kernel.dk Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <1610096137-187414-1-git-send-email-john.garry@huawei.com> From: Hannes Reinecke Message-ID: <574c9ec8-d262-b47d-9fc8-f09ede4516fc@suse.de> Date: Mon, 11 Jan 2021 08:11:24 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <1610096137-187414-1-git-send-email-john.garry@huawei.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/8/21 9:55 AM, John Garry wrote: > Showing the hctx flags for when BLK_MQ_F_TAG_HCTX_SHARED is set gives > something like: > > root@debian:/home/john# more /sys/kernel/debug/block/sda/hctx0/flags > alloc_policy=FIFO SHOULD_MERGE|TAG_QUEUE_SHARED|3 > > Add the decoding for that flag. > > Fixes: 32bc15afed04b ("blk-mq: Facilitate a shared sbitmap per tagset") > Signed-off-by: John Garry > > diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c > index 3094542e12ae..ea4ab98e6b25 100644 > --- a/block/blk-mq-debugfs.c > +++ b/block/blk-mq-debugfs.c > @@ -245,6 +245,7 @@ static const char *const hctx_flag_name[] = { > HCTX_FLAG_NAME(BLOCKING), > HCTX_FLAG_NAME(NO_SCHED), > HCTX_FLAG_NAME(STACKING), > + HCTX_FLAG_NAME(TAG_HCTX_SHARED), > }; > #undef HCTX_FLAG_NAME > > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer