From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F409C7618F for ; Mon, 15 Jul 2019 14:42:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 52121205ED for ; Mon, 15 Jul 2019 14:42:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="K6de2GAp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389902AbfGOOm4 (ORCPT ); Mon, 15 Jul 2019 10:42:56 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:40186 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732492AbfGOOmy (ORCPT ); Mon, 15 Jul 2019 10:42:54 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6FEfO0K049044 for ; Mon, 15 Jul 2019 14:42:53 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : mime-version : content-transfer-encoding; s=corp-2018-07-02; bh=9oXgsp0KHbUJVa7isWedOZYxKhmpgR4CxYT+3S9yDGs=; b=K6de2GApTfrrADMHuyIEJUMCGwlcTcQ9wrbTa1sPojd3sh9yjPu+s3OzO1AbXguw9s9a eO8d8iwa1D9aL9XX2dE12P3pIuMmpzPyS73AeObe+xnUOs+EKZDyfY/BNHPis2ZUqE3B EbaLo7mI48W+3LMCBeGyacGWu8M8XOj+J3qZpNNgDyYu6pd1XwrVEVROJMYMQrihdrHq YVLUgk30f00KVpqRQI093K+k0Vb0UPR3qMwVdFmphMegeGgWXlqTeo2rr6RxRYSjBip8 asLztd4Fu06MONia4zuOK3Kif6X1gt6rIrWxN6R7khz6LdgitU8B7YN0aU+V8QfKVpjf KQ== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by aserp2120.oracle.com with ESMTP id 2tq78peuvp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 15 Jul 2019 14:42:52 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6FEgqVd080572 for ; Mon, 15 Jul 2019 14:42:52 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 2tq4dtbpwg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 15 Jul 2019 14:42:52 +0000 Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x6FEgjI1002743 for ; Mon, 15 Jul 2019 14:42:45 GMT Received: from localhost.localdomain (/39.109.145.141) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 15 Jul 2019 07:42:45 -0700 From: Anand Jain To: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs-progs: add verbose option to btrfs device scan Date: Mon, 15 Jul 2019 22:42:41 +0800 Message-Id: <20190715144241.1077-1-anand.jain@oracle.com> X-Mailer: git-send-email 2.21.0 (Apple Git-120) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9319 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=3 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907150176 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9319 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907150175 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org To help debug device scan issues, add verbose option to btrfs device scan. Signed-off-by: Anand Jain --- cmds/device.c | 8 ++++++-- cmds/filesystem.c | 2 +- common/device-scan.c | 4 +++- common/device-scan.h | 2 +- common/utils.c | 2 +- disk-io.c | 2 +- 6 files changed, 13 insertions(+), 7 deletions(-) diff --git a/cmds/device.c b/cmds/device.c index 24158308a41b..2fa13e61f806 100644 --- a/cmds/device.c +++ b/cmds/device.c @@ -313,6 +313,7 @@ static int cmd_device_scan(const struct cmd_struct *cmd, int argc, char **argv) int all = 0; int ret = 0; int forget = 0; + int verbose = 0; optind = 0; while (1) { @@ -323,7 +324,7 @@ static int cmd_device_scan(const struct cmd_struct *cmd, int argc, char **argv) { NULL, 0, NULL, 0} }; - c = getopt_long(argc, argv, "du", long_options, NULL); + c = getopt_long(argc, argv, "duv", long_options, NULL); if (c < 0) break; switch (c) { @@ -333,6 +334,9 @@ static int cmd_device_scan(const struct cmd_struct *cmd, int argc, char **argv) case 'u': forget = 1; break; + case 'v': + verbose = 1; + break; default: usage_unknown_option(cmd, argv); } @@ -354,7 +358,7 @@ static int cmd_device_scan(const struct cmd_struct *cmd, int argc, char **argv) } } else { printf("Scanning for Btrfs filesystems\n"); - ret = btrfs_scan_devices(); + ret = btrfs_scan_devices(verbose); error_on(ret, "error %d while scanning", ret); ret = btrfs_register_all_devices(); error_on(ret, diff --git a/cmds/filesystem.c b/cmds/filesystem.c index 4f22089abeaa..37b23af36847 100644 --- a/cmds/filesystem.c +++ b/cmds/filesystem.c @@ -746,7 +746,7 @@ devs_only: else ret = 1; } else { - ret = btrfs_scan_devices(); + ret = btrfs_scan_devices(0); } if (ret) { diff --git a/common/device-scan.c b/common/device-scan.c index 2c5ae225f710..bea201b351f0 100644 --- a/common/device-scan.c +++ b/common/device-scan.c @@ -351,7 +351,7 @@ void free_seen_fsid(struct seen_fsid *seen_fsid_hash[]) } } -int btrfs_scan_devices(void) +int btrfs_scan_devices(int verbose) { int fd = -1; int ret; @@ -380,6 +380,8 @@ int btrfs_scan_devices(void) continue; /* if we are here its definitely a btrfs disk*/ strncpy_null(path, blkid_dev_devname(dev)); + if (verbose) + printf("blkid: btrfs device: %s\n", path); fd = open(path, O_RDONLY); if (fd < 0) { diff --git a/common/device-scan.h b/common/device-scan.h index eda2bae5c6c4..8017a27511b9 100644 --- a/common/device-scan.h +++ b/common/device-scan.h @@ -29,7 +29,7 @@ struct seen_fsid { int fd; }; -int btrfs_scan_devices(void); +int btrfs_scan_devices(int verbose); int btrfs_register_one_device(const char *fname); int btrfs_register_all_devices(void); int btrfs_add_to_fsid(struct btrfs_trans_handle *trans, diff --git a/common/utils.c b/common/utils.c index ad938409a94f..36ce89a025f1 100644 --- a/common/utils.c +++ b/common/utils.c @@ -277,7 +277,7 @@ int check_mounted_where(int fd, const char *file, char *where, int size, /* scan other devices */ if (is_btrfs && total_devs > 1) { - ret = btrfs_scan_devices(); + ret = btrfs_scan_devices(0); if (ret) return ret; } diff --git a/disk-io.c b/disk-io.c index be44eead5cef..4f52a29700ab 100644 --- a/disk-io.c +++ b/disk-io.c @@ -1085,7 +1085,7 @@ int btrfs_scan_fs_devices(int fd, const char *path, } if (!skip_devices && total_devs != 1) { - ret = btrfs_scan_devices(); + ret = btrfs_scan_devices(0); if (ret) return ret; } -- 2.21.0 (Apple Git-120)