From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:52325 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751520AbbASGrY (ORCPT ); Mon, 19 Jan 2015 01:47:24 -0500 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t0J6kkpg022588 for ; Mon, 19 Jan 2015 14:46:46 +0800 From: Qu Wenruo To: Subject: [PATCH v2 09/10] btrfs-progs: Add new option for btrfs-find-root to search through all the metadata extents. Date: Mon, 19 Jan 2015 14:45:11 +0800 Message-ID: <1421649912-14539-10-git-send-email-quwenruo@cn.fujitsu.com> In-Reply-To: <1421649912-14539-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1421649912-14539-1-git-send-email-quwenruo@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-btrfs-owner@vger.kernel.org List-ID: Add option '-a' for btrfs-find-root to iterate all the metadata extents even the root is already found. Signed-off-by: Qu Wenruo --- Documentation/btrfs-find-root.txt | 2 ++ btrfs-find-root.c | 31 +++++++++++++++++-------------- 2 files changed, 19 insertions(+), 14 deletions(-) diff --git a/Documentation/btrfs-find-root.txt b/Documentation/btrfs-find-root.txt index c934b4c..e04cd3e 100644 --- a/Documentation/btrfs-find-root.txt +++ b/Documentation/btrfs-find-root.txt @@ -16,6 +16,8 @@ root tree's objectid, generation, level. OPTIONS ------- +-a:: +Search through all the metadata extents, even the root is already found. -g :: Filter root tree by it's original transaction id, tree root's generation in default. -o :: diff --git a/btrfs-find-root.c b/btrfs-find-root.c index 31fe0ae..1da5513 100644 --- a/btrfs-find-root.c +++ b/btrfs-find-root.c @@ -39,7 +39,7 @@ static void usage(void) { - fprintf(stderr, "Usage: find-roots [-o search_objectid] " + fprintf(stderr, "Usage: find-roots [-a] [-o search_objectid] " "[ -g search_generation ] [ -l search_level ] \n"); } @@ -152,20 +152,23 @@ int main(int argc, char **argv) filter.objectid = BTRFS_ROOT_TREE_OBJECTID; filter.match_gen = (u64)-1; filter.match_level = (u8)-1; - while ((opt = getopt(argc, argv, "l:o:g:")) != -1) { + while ((opt = getopt(argc, argv, "al:o:g:")) != -1) { switch(opt) { - case 'o': - filter.objectid = arg_strtou64(optarg); - break; - case 'g': - filter.generation = arg_strtou64(optarg); - break; - case 'l': - filter.level = arg_strtou64(optarg); - break; - default: - usage(); - exit(1); + case 'a': + filter.search_all = 1; + break; + case 'o': + filter.objectid = arg_strtou64(optarg); + break; + case 'g': + filter.generation = arg_strtou64(optarg); + break; + case 'l': + filter.level = arg_strtou64(optarg); + break; + default: + usage(); + exit(1); } } -- 2.2.2