From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f173.google.com ([209.85.192.173]:35933 "EHLO mail-pf0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752262AbcACTAX (ORCPT ); Sun, 3 Jan 2016 14:00:23 -0500 Received: by mail-pf0-f173.google.com with SMTP id 65so145530176pff.3 for ; Sun, 03 Jan 2016 11:00:23 -0800 (PST) From: Byongho Lee To: linux-btrfs@vger.kernel.org Cc: Zach Brown Subject: [PATCH 6/6] btrfs-progs: fix using on-disk structure to store in memory data Date: Mon, 4 Jan 2016 03:59:58 +0900 Message-Id: <1451847598-30666-7-git-send-email-bhlee.kernel@gmail.com> In-Reply-To: <1451847598-30666-1-git-send-email-bhlee.kernel@gmail.com> References: <1451847598-30666-1-git-send-email-bhlee.kernel@gmail.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: In 'qgroup_count' structure 'diskinfo' and 'info' are used to store only in memory data but its types are for on-disk structure as a result sparse warns it (different base types). So fix it by adding new structure 'qgroup_info' to store in memory data and replace on-disk structure 'btrfs_qgroup_info_item' by 'qgroup_info'. In addition in alloc_cnt() 'generation' is set but not used after that so remove the relevant code. Signed-off-by: Zach Brown Signed-off-by: Byongho Lee --- qgroup-verify.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/qgroup-verify.c b/qgroup-verify.c index 0ee52ff5c857..a0a4d4a5f5d9 100644 --- a/qgroup-verify.c +++ b/qgroup-verify.c @@ -37,16 +37,23 @@ static unsigned long tot_extents_scanned = 0; static void add_bytes(u64 root_objectid, u64 num_bytes, int exclusive); +struct qgroup_info { + u64 referenced; + u64 referenced_compressed; + u64 exclusive; + u64 exclusive_compressed; +}; + struct qgroup_count { - u64 qgroupid; - int subvol_exists; + u64 qgroupid; + int subvol_exists; - struct btrfs_disk_key key; - struct btrfs_qgroup_info_item diskinfo; + struct btrfs_disk_key key; + struct qgroup_info diskinfo; - struct btrfs_qgroup_info_item info; + struct qgroup_info info; - struct rb_node rb_node; + struct rb_node rb_node; }; static struct counts_tree { @@ -647,14 +654,13 @@ static struct qgroup_count *alloc_count(struct btrfs_disk_key *key, struct btrfs_qgroup_info_item *disk) { struct qgroup_count *c = calloc(1, sizeof(*c)); - struct btrfs_qgroup_info_item *item; + struct qgroup_info *item; if (c) { c->qgroupid = btrfs_disk_key_offset(key); c->key = *key; item = &c->diskinfo; - item->generation = btrfs_qgroup_info_generation(leaf, disk); item->referenced = btrfs_qgroup_info_referenced(leaf, disk); item->referenced_compressed = btrfs_qgroup_info_referenced_compressed(leaf, disk); @@ -673,7 +679,7 @@ static struct qgroup_count *alloc_count(struct btrfs_disk_key *key, static void add_bytes(u64 root_objectid, u64 num_bytes, int exclusive) { struct qgroup_count *count = find_count(root_objectid); - struct btrfs_qgroup_info_item *qg; + struct qgroup_info *qg; BUG_ON(num_bytes < 4096); /* Random sanity check. */ @@ -1014,8 +1020,8 @@ static void print_fields_signed(long long bytes, static void print_qgroup_difference(struct qgroup_count *count, int verbose) { int is_different; - struct btrfs_qgroup_info_item *info = &count->info; - struct btrfs_qgroup_info_item *disk = &count->diskinfo; + struct qgroup_info *info = &count->info; + struct qgroup_info *disk = &count->diskinfo; long long excl_diff = info->exclusive - disk->exclusive; long long ref_diff = info->referenced - disk->referenced; -- 2.6.4