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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 EB2F0C4BA18 for ; Wed, 26 Feb 2020 17:43:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB9AC24681 for ; Wed, 26 Feb 2020 17:43:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726583AbgBZRnf (ORCPT ); Wed, 26 Feb 2020 12:43:35 -0500 Received: from verein.lst.de ([213.95.11.211]:50048 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726151AbgBZRnf (ORCPT ); Wed, 26 Feb 2020 12:43:35 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id BADD868CEE; Wed, 26 Feb 2020 18:43:33 +0100 (CET) Date: Wed, 26 Feb 2020 18:43:33 +0100 From: Christoph Hellwig To: Hannes Reinecke Cc: "Martin K. Petersen" , Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org Subject: Re: [PATCH 09/13] aacraid: use scsi_host_(block,unblock) to block I/O Message-ID: <20200226174333.GF23141@lst.de> References: <20200213140422.128382-1-hare@suse.de> <20200213140422.128382-10-hare@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200213140422.128382-10-hare@suse.de> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On Thu, Feb 13, 2020 at 03:04:18PM +0100, Hannes Reinecke wrote: > Use scsi_host_block() and scsi_host_unblock() instead of > scsi_block_requests()/scsi_unblock_requests() to block and unblock I/O. > This has the advantage that the block layer will stop sending I/O > to the adapter instead of having the SCSI midlayer requeueing I/O > internally. Looks good, Reviewed-by: Christoph Hellwig