From patchwork Thu Jun 13 21:18:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 804492 Received: from 009.lax.mailroute.net (009.lax.mailroute.net [199.89.1.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56FD113D243; Thu, 13 Jun 2024 21:18:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718313540; cv=none; b=itgKkDDKAyCdh+9XeKyPnrJDJ60lA0Pun5Yat2q8e6Qm4UnMKn7X7Nx6Zd2PimZugbq9IShJaT8Ce9wZzn5e5qX3MgpohrXd3kqjsqZQOSTtDhNSMkZMB3Q9lFhRaidzsfCa5WxOL0BtL53DWrPpXTdwHc87mmQWPC3kWKxcBjE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718313540; c=relaxed/simple; bh=FiKVW0wZ+Y09epymmFWsZIe0hWkZ9SjWUvaN6eSdRJc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=l5WVemQXAplcSVBonyKopfNdLMxkSR3edOhIhmeXIaOPU+eocwA6S/3EDOKQ6LyZLMrhuar4HsYMruFS7kK1k8DWtOFFrEKJkpeSmUab7aREy7OT/rg6floDYYdM8G1STLNptce9DNraYyBQwMlyiXTm7VCZsaz3mc3TkGTVyV4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=An8/2Fxf; arc=none smtp.client-ip=199.89.1.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="An8/2Fxf" Received: from localhost (localhost [127.0.0.1]) by 009.lax.mailroute.net (Postfix) with ESMTP id 4W0Zz664Y2zlgMVV; Thu, 13 Jun 2024 21:18:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:mime-version:references:in-reply-to :x-mailer:message-id:date:date:subject:subject:from:from :received:received; s=mr01; t=1718313534; x=1720905535; bh=hRjwi sCRW+42XD56aJIGghuXRjkwKRzKpLBkptDCAso=; b=An8/2Fxf2tXy7IYpKFJmQ RlOlddBbDGXJ/yRj7IJpXaIcTMlB1H+e7ZY4f2xkbwlE7IVM6ewLI7AcMEi3gb21 N/IeuQzXapnecCBK5Kni3DxTh7mqgePCrac27uDE8OBBvw9xI1vKNak+MkbrDX+J F5krQV9CbHnIWboM9WUnZvGrNojGIXHC6VVrdvtXvB/L+1LBTfltxC/GB182+EJj 3WaotLaWxRVg8s4eKfYvb4TtLSzIsERBpdnyf2ZkPF6qjhw5jOEzJd9zmNr22u/l 9ras0dtpAnJhfHPcSLvnxr23QDp2LE9wj+MuIvDoXzeTWaoDkrRxeMf5bntCqkb6 Q== X-Virus-Scanned: by MailRoute Received: from 009.lax.mailroute.net ([127.0.0.1]) by localhost (009.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id nVcG7BlvKVaz; Thu, 13 Jun 2024 21:18:54 +0000 (UTC) Received: from bvanassche.mtv.corp.google.com (unknown [104.132.0.90]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 009.lax.mailroute.net (Postfix) with ESMTPSA id 4W0Zz140S2zlgMVW; Thu, 13 Jun 2024 21:18:53 +0000 (UTC) From: Bart Van Assche To: "Martin K . Petersen" Cc: Alan Stern , linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, Bart Van Assche , Joao Machado , Andy Shevchenko , Christian Heusel , stable@vger.kernel.org, "James E.J. Bottomley" Subject: [PATCH v3 1/2] scsi: core: Introduce the BLIST_SKIP_IO_HINTS flag Date: Thu, 13 Jun 2024 14:18:26 -0700 Message-ID: <20240613211828.2077477-2-bvanassche@acm.org> X-Mailer: git-send-email 2.45.2.627.g7a2c4fd464-goog In-Reply-To: <20240613211828.2077477-1-bvanassche@acm.org> References: <20240613211828.2077477-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Prepare for skipping the IO advice hints grouping mode page for USB storage devices. Cc: Alan Stern Cc: Joao Machado Cc: Andy Shevchenko Cc: Christian Heusel Cc: stable@vger.kernel.org Fixes: 4f53138fffc2 ("scsi: sd: Translate data lifetime information") Signed-off-by: Bart Van Assche --- drivers/scsi/sd.c | 4 ++++ include/scsi/scsi_devinfo.h | 4 +++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3a43e2209751..fcf3d7730466 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -63,6 +63,7 @@ #include #include #include +#include #include #include #include @@ -3117,6 +3118,9 @@ static void sd_read_io_hints(struct scsi_disk *sdkp, unsigned char *buffer) struct scsi_mode_data data; int res; + if (sdp->sdev_bflags & BLIST_SKIP_IO_HINTS) + return; + res = scsi_mode_sense(sdp, /*dbd=*/0x8, /*modepage=*/0x0a, /*subpage=*/0x05, buffer, SD_BUF_SIZE, SD_TIMEOUT, sdkp->max_retries, &data, &sshdr); diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h index 6b548dc2c496..5856b68a5180 100644 --- a/include/scsi/scsi_devinfo.h +++ b/include/scsi/scsi_devinfo.h @@ -69,8 +69,10 @@ #define BLIST_RETRY_ITF ((__force blist_flags_t)(1ULL << 32)) /* Always retry ABORTED_COMMAND with ASC 0xc1 */ #define BLIST_RETRY_ASC_C1 ((__force blist_flags_t)(1ULL << 33)) +/* Do not query the IO advice hints grouping mode page */ +#define BLIST_SKIP_IO_HINTS ((__force blist_flags_t)(1ULL << 34)) -#define __BLIST_LAST_USED BLIST_RETRY_ASC_C1 +#define __BLIST_LAST_USED BLIST_SKIP_IO_HINTS #define __BLIST_HIGH_UNUSED (~(__BLIST_LAST_USED | \ (__force blist_flags_t) \