From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Zefan Subject: [PATCH 03/12] btrfs: Free fully occupied bitmap in cluster Date: Thu, 27 Jan 2011 16:43:17 +0800 Message-ID: <4D413025.4010404@cn.fujitsu.com> References: <4D412FE6.7050101@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: "linux-btrfs@vger.kernel.org" , Josef Bacik To: Chris Mason Return-path: In-Reply-To: <4D412FE6.7050101@cn.fujitsu.com> List-ID: If there's no more free space in a bitmap, we should free it. Reviewed-by: Josef Bacik 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 850104f..cb0137e 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1788,6 +1788,8 @@ 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); -- 1.6.3