Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759125AbcCDJDx (ORCPT ); Fri, 4 Mar 2016 04:03:53 -0500 Received: from mx2.suse.de ([195.135.220.15]:59936 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759010AbcCDJDZ (ORCPT ); Fri, 4 Mar 2016 04:03:25 -0500 X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Mikulas Patocka , Tejun Heo , Jiri Slaby Subject: [PATCH 3.12 066/116] sata_sil: disable trim Date: Fri, 4 Mar 2016 10:01:51 +0100 Message-Id: X-Mailer: git-send-email 2.7.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2035 Lines: 53 From: Mikulas Patocka 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit d98f1cd0a3b70ea91f1dfda3ac36c3b2e1a4d5e2 upstream. When I connect an Intel SSD to SATA SIL controller (PCI ID 1095:3114), any TRIM command results in I/O errors being reported in the log. There is other similar error reported with TRIM and the SIL controller: https://bugs.centos.org/view.php?id=5880 Apparently the controller doesn't support TRIM commands. This patch disables TRIM support on the SATA SIL controller. ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata7.00: BMDMA2 stat 0x50001 ata7.00: failed command: DATA SET MANAGEMENT ata7.00: cmd 06/01:01:00:00:00/00:00:00:00:00/a0 tag 0 dma 512 out res 51/04:01:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error) ata7.00: status: { DRDY ERR } ata7.00: error: { ABRT } ata7.00: device reported invalid CHS sector 0 sd 8:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE sd 8:0:0:0: [sdb] tag#0 Sense Key : Illegal Request [current] [descriptor] sd 8:0:0:0: [sdb] tag#0 Add. Sense: Unaligned write command sd 8:0:0:0: [sdb] tag#0 CDB: Write same(16) 93 08 00 00 00 00 00 21 95 88 00 20 00 00 00 00 blk_update_request: I/O error, dev sdb, sector 2200968 Signed-off-by: Mikulas Patocka Signed-off-by: Tejun Heo Signed-off-by: Jiri Slaby --- drivers/ata/sata_sil.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index b7695e804635..fa94fba8fa21 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -631,6 +631,9 @@ static void sil_dev_config(struct ata_device *dev) unsigned int n, quirks = 0; unsigned char model_num[ATA_ID_PROD_LEN + 1]; + /* This controller doesn't support trim */ + dev->horkage |= ATA_HORKAGE_NOTRIM; + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); for (n = 0; sil_blacklist[n].product; n++) -- 2.7.2