Path: csiph.com!goblin2!goblin.stu.neva.ru!aioe.org!bofh.it!news.nic.it!robomod From: Mikulas Patocka Newsgroups: linux.kernel Subject: [PATCH 6/15] scsi xcopy: suppress error messages Date: Thu, 10 Dec 2015 18:40:04 +0100 Message-ID: References: X-Original-To: "James E.J. Bottomley" , "Martin K. Petersen" , Jens Axboe , Mike Snitzer , Jonathan Brassow X-X-Sender: mpatocka@file01.intranet.prod.int.rdu2.redhat.com User-Agent: Alpine 2.02 (LRH 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 40 Organization: linux.* mail to news gateway X-Original-Cc: dm-devel@redhat.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org X-Original-Date: Thu, 10 Dec 2015 12:30:30 -0500 (EST) X-Original-Message-ID: X-Original-References: X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1288731 This patch suppresses error messages when copying between two arrays that support XCOPY each, but that cannot copy data between each other. Signed-off-by: Mikulas Patocka --- drivers/scsi/sd.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) Index: linux-4.4-rc4/drivers/scsi/sd.c =================================================================== --- linux-4.4-rc4.orig/drivers/scsi/sd.c 2015-12-07 16:58:48.000000000 +0100 +++ linux-4.4-rc4/drivers/scsi/sd.c 2015-12-07 16:59:09.000000000 +0100 @@ -1995,6 +1995,20 @@ static int sd_done(struct scsi_cmnd *SCp req->cmd_flags |= REQ_QUIET; } } + } else if (sshdr.asc == 0x26) { + switch (op) { + /* + * Copying between two arrays that support XCOPY, but + * cannot access each other. + */ + case EXTENDED_COPY: + if ((SCpnt->cmnd[1] & 0x1f) == 0) { + good_bytes = 0; + req->__data_len = blk_rq_bytes(req); + req->cmd_flags |= REQ_QUIET; + } + break; + } } break; default: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/