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Btrfs: fix ordered extent leak when failing to start a transaction 

We cannot just return error before freeing ordered extent and releasing reserved
space when we fail to start a transacion.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Liu Bo 2012-08-21 21:13:25 -06:00 committed by Chris Mason
parent 24c03fa5cf
commit d280e5be94
1 changed files with 5 additions and 2 deletions
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7
fs/btrfs/inode.c
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@ -1882,8 +1882,11 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
trans = btrfs_join_transaction_nolock(root);
else
trans = btrfs_join_transaction(root);
if (IS_ERR(trans))
return PTR_ERR(trans);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
trans = NULL;
goto out;
}
trans->block_rsv = &root->fs_info->delalloc_block_rsv;
ret = btrfs_update_inode_fallback(trans, root, inode);
if (ret) /* -ENOMEM or corruption */