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Btrfs: fix btrfs_is_free_space_inode to recognize btree inode

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For btree inode, its root is also 'tree root', so btree inode can be
misunderstood as a free space inode.

We should add one more check for btree inode.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Liu Bo 2012-07-10 05:28:38 -06:00 committed by Chris Mason
parent c0901581ad
commit 51a8cf9d2d
1 changed files with 4 additions and 2 deletions
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6
fs/btrfs/btrfs_inode.h
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@ -194,8 +194,10 @@ static inline void btrfs_i_size_write(struct inode *inode, u64 size)
static inline bool btrfs_is_free_space_inode(struct btrfs_root *root,
struct inode *inode)
{
if (root == root->fs_info->tree_root ||
BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
if (root == root->fs_info->tree_root &&
btrfs_ino(inode) != BTRFS_BTREE_INODE_OBJECTID)
return true;
if (BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
return true;
return false;
}