On Wed, Sep 21, 2011 at 04:18:29PM -0400, Josef Bacik wrote:
> diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
> index b128fa0..66ba0a7 100644
> --- a/fs/btrfs/inode.c
> +++ b/fs/btrfs/inode.c
> @@ -782,7 +782,12 @@ static noinline int cow_file_range(struct inode *inode,
> struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
> int ret = 0;
>
> - BUG_ON(btrfs_is_free_space_inode(root, inode));
> + if (btrfs_is_free_space_inode(root, inode)) {
> + printk(KERN_ERR "trying to write to free space inode, "
> + "isize=%Lu, start=%Lu, end=%Lu\n", i_size_read(inode),
> + start, end);
please prefix printk messages with "btrfs: "
> + BUG_ON(btrfs_is_free_space_inode(root, inode));
> + }
> trans = btrfs_join_transaction(root);
> BUG_ON(IS_ERR(trans));
> trans->block_rsv = &root->fs_info->delalloc_block_rsv;
--
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