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From: Li Zefan <lizf@cn.fujitsu.com>
To: Josef Bacik <josef@redhat.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] Btrfs: fix free space cache when there are pinned extents and clusters
Date: Fri, 01 Apr 2011 15:56:33 +0800	[thread overview]
Message-ID: <4D958531.90500@cn.fujitsu.com> (raw)
In-Reply-To: <1301601548-14612-1-git-send-email-josef@redhat.com>

> +	spin_lock(&block_group->tree_lock);
> +	if (btrfs_block_group_free_space(block_group) !=

This function call can be replaced by block_group->free_space, so
we don't have to iterate the tree.

(This function gets removed in my patchset for inode number caching)

> +	    (block_group->key.offset - used - block_group->bytes_super)) {
> +		spin_unlock(&block_group->tree_lock);
> +		printk(KERN_ERR "block group %llu has an wrong amount of free "
> +		       "space\n", block_group->key.objectid);
> +		ret = 0;
> +		goto free_cache;
> +	}
> +	spin_unlock(&block_group->tree_lock);

  reply	other threads:[~2011-04-01  7:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-31 19:59 [PATCH] Btrfs: fix free space cache when there are pinned extents and clusters Josef Bacik
2011-04-01  7:56 ` Li Zefan [this message]
2011-04-01 12:15   ` Josef Bacik
2011-04-01 14:55 ` [PATCH] Btrfs: fix free space cache when there are pinned extents and clusters V2 Josef Bacik
2011-04-04 22:59   ` Mitch Harder

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