From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Zefan Subject: [PATCH 3/6] btrfs: free fully occupied bitmap in cluster Date: Mon, 23 Aug 2010 09:23:16 +0800 Message-ID: <4C71CD84.1000809@cn.fujitsu.com> References: <4C71CD4B.10606@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Josef Bacik , linux-btrfs@vger.kernel.org, LKML To: Chris Mason Return-path: In-Reply-To: <4C71CD4B.10606@cn.fujitsu.com> List-ID: If there's no more free space in a bitmap, we should free it, otherwise seems it won't get freed until we free the block group. Signed-off-by: Li Zefan --- fs/btrfs/free-space-cache.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 017fd55..631e14f 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1035,6 +1035,8 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group, ret = search_start; bitmap_clear_bits(block_group, entry, ret, bytes); + if (entry->bytes == 0) + free_bitmap(block_group, entry); out: spin_unlock(&cluster->lock); spin_unlock(&block_group->tree_lock); -- 1.7.0.1