From: Peng Tao Subject: [PATCH-e2fsprogs] Allow clearing flex_bg if only one group per flex Date: Mon, 2 Mar 2009 16:28:44 +0800 Message-ID: <1235982524-7673-1-git-send-email-bergwolf@gmail.com> Cc: Peng Tao To: linux-ext4@vger.kernel.org Return-path: Received: from ti-out-0910.google.com ([209.85.142.184]:14055 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751873AbZCBI3E (ORCPT ); Mon, 2 Mar 2009 03:29:04 -0500 Received: by ti-out-0910.google.com with SMTP id d10so2756646tib.23 for ; Mon, 02 Mar 2009 00:29:01 -0800 (PST) Sender: linux-ext4-owner@vger.kernel.org List-ID: This can be caused by tune2fs -O flex_bg. And clearing flex_bg on such partitions is harmless. Signed-off-by: Peng Tao --- misc/tune2fs.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/misc/tune2fs.c b/misc/tune2fs.c index 887a702..f7373af 100644 --- a/misc/tune2fs.c +++ b/misc/tune2fs.c @@ -407,7 +407,8 @@ static void update_feature_set(ext2_filsys fs, char *features) uuid_generate((unsigned char *) sb->s_hash_seed); } - if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG)) { + if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG) && + sb->s_log_groups_per_flex) { if (ext2fs_check_desc(fs)) { fputs(_("Clearing the flex_bg flag would " "cause the the filesystem to be\n" -- 1.6.1.3