From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:56740 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751495AbcBEBZL (ORCPT ); Thu, 4 Feb 2016 20:25:11 -0500 Received: from localhost.localdomain (unknown [10.167.226.34]) by cn.fujitsu.com (Postfix) with ESMTP id EAC504056411 for ; Fri, 5 Feb 2016 09:25:04 +0800 (CST) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v5 6/8] btrfs-progs: Add show-super support for new DEDUP flag Date: Fri, 5 Feb 2016 09:23:02 +0800 Message-Id: <1454635384-10106-7-git-send-email-quwenruo@cn.fujitsu.com> In-Reply-To: <1454635384-10106-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1454635384-10106-1-git-send-email-quwenruo@cn.fujitsu.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Now btrfs-show-super can handle DEDUP ro compat flag. Signed-off-by: Qu Wenruo --- btrfs-show-super.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/btrfs-show-super.c b/btrfs-show-super.c index 051bd11..0bc0b1f 100644 --- a/btrfs-show-super.c +++ b/btrfs-show-super.c @@ -328,6 +328,15 @@ struct readable_flag_entry { u64 bit; char *output; }; +#define DEF_RO_COMPAT_FLAG_ENTRY(bit_name) \ + {BTRFS_FEATURE_COMPAT_RO_##bit_name, #bit_name} + +struct readable_flag_entry ro_compat_flags_array[] = { + DEF_RO_COMPAT_FLAG_ENTRY(DEDUP) +}; + +static const int ro_compat_flags_num = sizeof(ro_compat_flags_array) / + sizeof(struct readable_flag_entry); #define DEF_INCOMPAT_FLAG_ENTRY(bit_name) \ {BTRFS_FEATURE_INCOMPAT_##bit_name, #bit_name} @@ -400,6 +409,13 @@ static void __print_readable_flag(u64 flag, struct readable_flag_entry *array, printf(")\n"); } +static void print_readable_ro_compat_flag(u64 ro_flag) +{ + return __print_readable_flag(ro_flag, ro_compat_flags_array, + ro_compat_flags_num, + BTRFS_FEATURE_COMPAT_RO_SUPP); +} + static void print_readable_incompat_flag(u64 flag) { return __print_readable_flag(flag, incompat_flags_array, @@ -491,6 +507,7 @@ static void dump_superblock(struct btrfs_super_block *sb, int full) (unsigned long long)btrfs_super_compat_flags(sb)); printf("compat_ro_flags\t\t0x%llx\n", (unsigned long long)btrfs_super_compat_ro_flags(sb)); + print_readable_ro_compat_flag(btrfs_super_compat_ro_flags(sb)); printf("incompat_flags\t\t0x%llx\n", (unsigned long long)btrfs_super_incompat_flags(sb)); print_readable_incompat_flag(btrfs_super_incompat_flags(sb)); -- 2.7.0