From patchwork Fri Apr 13 05:37:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ronnie Sahlberg X-Patchwork-Id: 10339529 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 13783600D0 for ; Fri, 13 Apr 2018 05:38:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E9FB02857E for ; Fri, 13 Apr 2018 05:38:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DED2C286AA; Fri, 13 Apr 2018 05:38:17 +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=-7.9 required=2.0 tests=BAYES_00, 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 7AC652857E for ; Fri, 13 Apr 2018 05:38:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752986AbeDMFiR (ORCPT ); Fri, 13 Apr 2018 01:38:17 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:39650 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751021AbeDMFiQ (ORCPT ); Fri, 13 Apr 2018 01:38:16 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5E01D4022909; Fri, 13 Apr 2018 05:38:16 +0000 (UTC) Received: from test1190.test.redhat.com (vpn2-54-105.bne.redhat.com [10.64.54.105]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1C89E2026980; Fri, 13 Apr 2018 05:38:14 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH 13/16] cifs: add SMB2_close_init()/SMB2_close_free() Date: Fri, 13 Apr 2018 15:37:20 +1000 Message-Id: <20180413053723.28148-14-lsahlber@redhat.com> In-Reply-To: <20180413053723.28148-1-lsahlber@redhat.com> References: <20180413053723.28148-1-lsahlber@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 13 Apr 2018 05:38:16 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 13 Apr 2018 05:38:16 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'lsahlber@redhat.com' RCPT:'' Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Ronnie Sahlberg --- fs/cifs/smb2pdu.c | 48 ++++++++++++++++++++++++++++++++++-------------- fs/cifs/smb2proto.h | 3 +++ 2 files changed, 37 insertions(+), 14 deletions(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index dc787bb0cb30..88c975c1f1f7 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2196,44 +2196,63 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, } int +SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, + u64 persistent_fid, u64 volatile_fid) +{ + struct smb2_close_req *req; + struct kvec *iov = rqst->rq_iov; + unsigned int total_len; + int rc; + + rc = smb2_plain_req_init(SMB2_CLOSE, tcon, (void **) &req, &total_len); + if (rc) + return rc; + + req->PersistentFileId = persistent_fid; + req->VolatileFileId = volatile_fid; + + iov[0].iov_base = (char *)req; + iov[0].iov_len = total_len; + + return 0; +} + +void +SMB2_close_free(struct smb_rqst *rqst) { + cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ +} + +int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, u64 volatile_fid) { struct smb_rqst rqst; - struct smb2_close_req *req; - struct smb2_close_rsp *rsp; + struct smb2_close_rsp *rsp = NULL; struct cifs_ses *ses = tcon->ses; struct kvec iov[1]; struct kvec rsp_iov; int resp_buftype; int rc = 0; int flags = 0; - unsigned int total_len; cifs_dbg(FYI, "Close\n"); if (!ses || !(ses->server)) return -EIO; - rc = smb2_plain_req_init(SMB2_CLOSE, tcon, (void **) &req, &total_len); - if (rc) - return rc; - if (encryption_required(tcon)) flags |= CIFS_TRANSFORM_REQ; - req->PersistentFileId = persistent_fid; - req->VolatileFileId = volatile_fid; - - iov[0].iov_base = (char *)req; - iov[0].iov_len = total_len; - memset(&rqst, 0, sizeof(struct smb_rqst)); + memset(&iov, 0, sizeof(iov)); rqst.rq_iov = iov; rqst.rq_nvec = 1; + rc = SMB2_close_init(tcon, &rqst, persistent_fid, volatile_fid); + if (rc) + goto close_exit; + rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov); - cifs_small_buf_release(req); rsp = (struct smb2_close_rsp *)rsp_iov.iov_base; if (rc != 0) { @@ -2244,6 +2263,7 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, /* BB FIXME - decode close response, update inode for caching */ close_exit: + SMB2_close_free(&rqst); free_rsp_buf(resp_buftype, rsp); return rc; } diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 7acdd65d3ed7..9d161a3d3a4b 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -134,6 +134,9 @@ extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, char **out_data, u32 *plen /* returned data len */); extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_file_id, u64 volatile_file_id); +extern int SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, + u64 persistent_file_id, u64 volatile_file_id); +extern void SMB2_close_free(struct smb_rqst *rqst); extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_file_id, u64 volatile_file_id); extern int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,