From patchwork Wed Nov 9 07:47:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 623289 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 004D5C433FE for ; Wed, 9 Nov 2022 07:48:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229611AbiKIHsA (ORCPT ); Wed, 9 Nov 2022 02:48:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229601AbiKIHr7 (ORCPT ); Wed, 9 Nov 2022 02:47:59 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20434186FE for ; Tue, 8 Nov 2022 23:47:57 -0800 (PST) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 8DCF4224AB; Wed, 9 Nov 2022 07:47:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1667980076; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ni8mIG4X2luKUxEEpKDKBXMxNMWttiKJSAvqEUE4a7U=; b=miQ+tWPT0yJ9oHz9ZXI7tiqLczAV7jEADn9nqqoclOyFVOFGnV/YUuxd5JgHtIxgAgIr6/ nAdcLJAiXmk+4eIx4JaZOWcylfkwm1EEUOWfuRNuLxyN/whvFpNxhJG8sxH1E/G5q96OdA 7kjCCkibDrJFqXRW3ZGTF06+zl1HvzI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1667980076; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ni8mIG4X2luKUxEEpKDKBXMxNMWttiKJSAvqEUE4a7U=; b=7mr0Q9hPljY6I0Yw5NgxcXSqbKPWkiv3jwxDNyZIDNNh5En2m3YsaxcTmXZo5AoNLU+YTT HATL3yOdQVR3NuAQ== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 3F1A22C141; Wed, 9 Nov 2022 07:47:56 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 0D82651ADAB9; Wed, 9 Nov 2022 08:47:56 +0100 (CET) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org, Hannes Reinecke , Niklas Cassel , Damien Le Moal , John Garry Subject: [PATCH] scsi_error: do not queue pointless abort workqueue functions Date: Wed, 9 Nov 2022 08:47:54 +0100 Message-Id: <20221109074754.24075-1-hare@suse.de> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org If a host template doesn't implement the .eh_abort_handler() there is no point in queueing the abort workqueue function; all it does is invoking SCSI EH anyway. So return 'FAILED' from scsi_abort_command() if the .eh_abort_handler() is not implemented and save us from having to wait for the abort workqueue function to complete. Cc: Niklas Cassel Cc: Damien Le Moal Cc: John Garry Signed-off-by: Hannes Reinecke --- drivers/scsi/scsi_error.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index be2a70c5ac6d..e9f9c8f52c59 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -242,6 +242,11 @@ scsi_abort_command(struct scsi_cmnd *scmd) return FAILED; } + if (!shost->hostt->eh_abort_handler) { + /* No abort handler, fail command directly */ + return FAILED; + } + spin_lock_irqsave(shost->host_lock, flags); if (shost->eh_deadline != -1 && !shost->last_reset) shost->last_reset = jiffies;