From patchwork Mon Jul 23 19:07:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 10540771 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 1E5CDA517 for ; Mon, 23 Jul 2018 19:08:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E1BAE2624B for ; Mon, 23 Jul 2018 19:08:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D69EF262AE; Mon, 23 Jul 2018 19:08:01 +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 703952624B for ; Mon, 23 Jul 2018 19:08:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388130AbeGWUKg (ORCPT ); Mon, 23 Jul 2018 16:10:36 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:38266 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388113AbeGWUKf (ORCPT ); Mon, 23 Jul 2018 16:10:35 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D373B4059FF8; Mon, 23 Jul 2018 19:07:58 +0000 (UTC) Received: from rh2.redhat.com (ovpn-121-13.rdu2.redhat.com [10.10.121.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6DE84111CB8C; Mon, 23 Jul 2018 19:07:58 +0000 (UTC) From: Mike Christie To: xiubli@redhat.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, nab@linux-iscsi.org Cc: Mike Christie Subject: [PATCH 9/9] tcmu: use u64 for dev_size Date: Mon, 23 Jul 2018 14:07:51 -0500 Message-Id: <1532372871-7128-10-git-send-email-mchristi@redhat.com> In-Reply-To: <1532372871-7128-1-git-send-email-mchristi@redhat.com> References: <1532372871-7128-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Mon, 23 Jul 2018 19:07:58 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Mon, 23 Jul 2018 19:07:58 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'mchristi@redhat.com' RCPT:'' 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 We use unsigned long, size_t and u64 for dev_size. This has us standardize on u64. Signed-off-by: Mike Christie --- drivers/target/target_core_user.c | 21 ++++++++------------- 1 file changed, 8 insertions(+), 13 deletions(-) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index cfe4f4b..b34179a 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -137,7 +137,7 @@ struct tcmu_dev { struct inode *inode; struct tcmu_mailbox *mb_addr; - size_t dev_size; + uint64_t dev_size; u32 cmdr_size; u32 cmdr_last_cleaned; /* Offset of data area from start of mb */ @@ -2016,7 +2016,7 @@ enum { static match_table_t tokens = { {Opt_dev_config, "dev_config=%s"}, - {Opt_dev_size, "dev_size=%u"}, + {Opt_dev_size, "dev_size=%s"}, {Opt_hw_block_size, "hw_block_size=%d"}, {Opt_hw_max_sectors, "hw_max_sectors=%d"}, {Opt_nl_reply_supported, "nl_reply_supported=%d"}, @@ -2083,7 +2083,7 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, const char *page, ssize_t count) { struct tcmu_dev *udev = TCMU_DEV(dev); - char *orig, *ptr, *opts, *arg_p; + char *orig, *ptr, *opts; substring_t args[MAX_OPT_ARGS]; int ret = 0, token; @@ -2108,15 +2108,10 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, pr_debug("TCMU: Referencing Path: %s\n", udev->dev_config); break; case Opt_dev_size: - arg_p = match_strdup(&args[0]); - if (!arg_p) { - ret = -ENOMEM; - break; - } - ret = kstrtoul(arg_p, 0, (unsigned long *) &udev->dev_size); - kfree(arg_p); + ret = match_u64(&args[0], &udev->dev_size); if (ret < 0) - pr_err("kstrtoul() failed for dev_size=\n"); + pr_err("match_u64() failed for dev_size=. Error %d.\n", + ret); break; case Opt_hw_block_size: ret = tcmu_set_dev_attrib(&args[0], @@ -2154,7 +2149,7 @@ static ssize_t tcmu_show_configfs_dev_params(struct se_device *dev, char *b) bl = sprintf(b + bl, "Config: %s ", udev->dev_config[0] ? udev->dev_config : "NULL"); - bl += sprintf(b + bl, "Size: %zu ", udev->dev_size); + bl += sprintf(b + bl, "Size: %llu ", udev->dev_size); bl += sprintf(b + bl, "MaxDataAreaMB: %u\n", TCMU_BLOCKS_TO_MBS(udev->max_blocks)); @@ -2323,7 +2318,7 @@ static ssize_t tcmu_dev_size_show(struct config_item *item, char *page) struct se_dev_attrib, da_group); struct tcmu_dev *udev = TCMU_DEV(da->da_dev); - return snprintf(page, PAGE_SIZE, "%zu\n", udev->dev_size); + return snprintf(page, PAGE_SIZE, "%llu\n", udev->dev_size); } static int tcmu_send_dev_size_event(struct tcmu_dev *udev, u64 size)