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Date: Mon, 23 Aug 2010 09:23:16 +0800 From: Li Zefan <lizf@...fujitsu.com> To: Chris Mason <chris.mason@...cle.com> CC: Josef Bacik <josef@...hat.com>, linux-btrfs@...r.kernel.org, LKML <linux-kernel@...r.kernel.org> Subject: [PATCH 3/6] btrfs: free fully occupied bitmap in cluster 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 <lizf@...fujitsu.com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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