From patchwork Fri Jan 25 18:34:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 10781883 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27FDA746 for ; Fri, 25 Jan 2019 18:35:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 16F32299B5 for ; Fri, 25 Jan 2019 18:35:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0B6EC2D40C; Fri, 25 Jan 2019 18:35:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A1052299B5 for ; Fri, 25 Jan 2019 18:35:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726630AbfAYSfl (ORCPT ); Fri, 25 Jan 2019 13:35:41 -0500 Received: from com-out001.mailprotect.be ([83.217.72.83]:58393 "EHLO com-out001.mailprotect.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726689AbfAYSfk (ORCPT ); Fri, 25 Jan 2019 13:35:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mailprotect.be; s=mail; h=Content-Transfer-Encoding:MIME-Version:References :In-Reply-To:Message-Id:Date:Subject:Cc:To:From:reply-to:sender:bcc: content-type; bh=BMNHUyaDpSEJmWIiGCibsv6/YczNEXwaJUj9wHfawVU=; b=Vg62QllJgvZ8 hBbLyBnjWa6YBrFjVPvxikhlH6HJluTq/QCwP0pepC+hen6DFbDi8YY1gLvMHZYrMHaCXGyq1de29 2Zv/+Nm0hVxaJDJ593uXEE/9bbuUwJakcphhRtwlMxfd7w1zU0WgU7POvRZ5JFoOjGWRS/DRD96Cr K7C/TnTV5emQ0lyc/FaLyI6W63TLI87zfdyAPZ3i3W9hl5PjUAzeNt5z18bDHNt/cDap2yMHjF2ao zc1mragnjeDudBMpPaQwq0JBtVcB+91ONio7ffvezAoPv/PWwKJfgmRS5ANNy+N7FdIxvK1sHYc63 JExlY0l8XmzfqeIixo2G8Q==; Received: from smtp-auth.mailprotect.be ([178.208.39.155]) by com-mpt-out001.mailprotect.be with esmtp (Exim 4.89) (envelope-from ) id 1gn6KA-0008qM-4C; Fri, 25 Jan 2019 19:35:31 +0100 Received: from desktop-bart.svl.corp.google.com (unknown [104.133.8.89]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp-auth.mailprotect.be (Postfix) with ESMTPSA id C5B54C0E75; Fri, 25 Jan 2019 19:35:18 +0100 (CET) From: Bart Van Assche To: "Martin K . Petersen" Cc: Christoph Hellwig , target-devel@vger.kernel.org, Bart Van Assche , Hannes Reinecke , Doug Ledford , Jason Gunthorpe , Nicholas Bellinger , Mike Christie Subject: [PATCH 06/16] RDMA/srpt: Fix handling of command / TMF submission failure Date: Fri, 25 Jan 2019 10:34:48 -0800 Message-Id: <20190125183458.220477-7-bvanassche@acm.org> X-Mailer: git-send-email 2.20.1.495.gaa96b0ce6b-goog In-Reply-To: <20190125183458.220477-1-bvanassche@acm.org> References: <20190125183458.220477-1-bvanassche@acm.org> MIME-Version: 1.0 X-Originating-IP: 178.208.39.155 X-SpamExperts-Domain: mailprotect.be X-SpamExperts-Username: 178.208.39.128/27 Authentication-Results: mailprotect.be; auth=pass smtp.auth=178.208.39.128/27@mailprotect.be X-SpamExperts-Outgoing-Class: ham X-SpamExperts-Outgoing-Evidence: Combined (0.10) X-Recommended-Action: accept X-Filter-ID: EX5BVjFpneJeBchSMxfU5u05tJNjG4e9M1yX4pIu5EZ602E9L7XzfQH6nu9C/Fh9KJzpNe6xgvOx q3u0UDjvO1tLifGj39bI0bcPyaJsYTagCTS5H5Pie2sCQ3gGSzr06cM7U7xDGmYwNG93LVnxwxjk yGQYCd08t3lHobjxX/OigDGQOIiVUN5rGO3B5zfV6lLB7UkASj5+Q7Z1jo1wYoGcQZDc/NA+AYRc xIJwNJDswajEtdTx0z97RFosJ+0XX4J8p9+Z4Omt11SsRVhZc5O0+hI4m8XEgLG9kXesazurVxXh H80moATcJz9k4m0jSta6vzX6sWvOVdfPU9Q907I7wX4PVM8uRZ9JrPUGzdHRxIJlBVnNQuCDcjNk rc6VqwD+Ufwmnv2XpsoA/vlp5nL7bykX8cT9ReKnRim+apKC0G2y+Mr2ale9nnzXJ+o155gCTHdl yYtlgXnoDkY8D6BBQD2I5QH2BdbXmK3rYa8ppXum6KZe4eMUTLjXn3BvjnQnhcJex8V1sw+C2xqM rAbZykneW87JZ7jdpAlXQVADDgYNo2L2ikikIJmXA+EJKJ9CDjyJqwMkv6BJB2lztCOV7QtxJNU+ igS6jZCzGqpJmuDNJ3/L9Q9wLc4aqLRUvPEObNwbSIpq9S/jgd899z3dKxLhoxcmaInYbR5vlqFZ JlLyK2ygHNTfy41Cttvo7sn//RcLEIwmfxtejjVQPRdR7J54uCh7y/cyXn4gNizEl4GT+izmPxps 5i3VIDAVOJYVhKWF91egvasFoFaoK60jiD6XqsJZtjQxlyCdseyHOMuZZG++RlG2AEFbDFHRWlcI SpJ6e8JC6wP/8HYDL+1c8twN16nRcvZBM0i67pivXHVFggc0157Ysxlq5Z3dsksKeFRmKOHI/40C LjPihwIeoj9zwqNSJz8SHmCZ+bxCLHLD8M1AAidHW08kKeoFJwcvz6VMYEhUT3FsSRfv2/sMSIEg vIcW6VO3wxn7YUdTGesc17KK80fmShmQp5h073MzmfHyQ8SgOIU0wXK50CG7X+t1TW39Ja77LGPp OwAj6IMP28aPMtl2u6Kx+4+Huxzv1d6/j7MDIN1SScQedH2YWYgPyAz1BkOLTUiGJowwNFwKBhAh 7NeKYzwwwYGp+p2okElJG6VbPeUnGhV3sd4rxYOjbs6j0mefY0b4ffxz8Ne0ck6P4ivKdWmRJx+g ZBY48FVjzYzwQJ8NPI1L8nQzI24Mi0RodUDIJ7TXkAZ8Lg3hgpwJj9Y7nkVKceR7 X-Report-Abuse-To: spam@com-mpt-mgt001.mailprotect.be Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If submitting an SRP IU to the target core fails, send the SCSI response "BUSY" to the initiator instead of not sending any response. Reviewed-by: Hannes Reinecke Cc: Doug Ledford Cc: Jason Gunthorpe Cc: Nicholas Bellinger Cc: Mike Christie Cc: Christoph Hellwig Signed-off-by: Bart Van Assche --- drivers/infiniband/ulp/srpt/ib_srpt.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 8cee8c6c6be9..4fc901d1c0c1 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1505,7 +1505,7 @@ static void srpt_handle_cmd(struct srpt_rdma_ch *ch, pr_err("0x%llx: parsing SRP descriptor table failed.\n", srp_cmd->tag); } - goto release_ioctx; + goto busy; } rc = target_submit_cmd_map_sgls(cmd, ch->sess, srp_cmd->cdb, @@ -1516,13 +1516,12 @@ static void srpt_handle_cmd(struct srpt_rdma_ch *ch, if (rc != 0) { pr_debug("target_submit_cmd() returned %d for tag %#llx\n", rc, srp_cmd->tag); - goto release_ioctx; + goto busy; } return; -release_ioctx: - send_ioctx->state = SRPT_STATE_DONE; - srpt_release_cmd(cmd); +busy: + target_send_busy(cmd); } static int srp_tmr_to_tcm(int fn)