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btrfs: use WARN_ON in a canonical form btrfs_remove_block_group

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There is no point in using a construct like 'if (!condition)
WARN_ON(1)'. Use WARN_ON(!condition) directly. No functional changes.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2019-01-30 16:50:49 +02:00 committed by David Sterba
parent 260e77025f
commit 9a0ec83d57
1 changed files with 3 additions and 6 deletions
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9
fs/btrfs/extent-tree.c
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@ -10869,13 +10869,10 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
}
spin_lock(&trans->transaction->dirty_bgs_lock);
if (!list_empty(&block_group->dirty_list)) {
WARN_ON(1);
}
if (!list_empty(&block_group->io_list)) {
WARN_ON(1);
}
WARN_ON(!list_empty(&block_group->dirty_list));
WARN_ON(!list_empty(&block_group->io_list));
spin_unlock(&trans->transaction->dirty_bgs_lock);
btrfs_remove_free_space_cache(block_group);
spin_lock(&block_group->space_info->lock);