On Fri, Aug 16, 2019 at 4:08 PM Josef Bacik <josef@xxxxxxxxxxxxxx> wrote:
>
> We only use the global reserve fallback for truncates, so use
For truncates?
I would say only for unlinks, rmdir and removing empty block groups.
Or did some of your previous patches changed that, and I missed it,
and now only truncates use it?
> calc_metadata_size instead of calc_insert_metadata_size.
I wouldn't hurt to be less vague and mention why we do this change (if
this is still used for unlinks/bg removal, we still need to insertion
orphan item, not just remove items).
Thanks.
>
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
> ---
> fs/btrfs/transaction.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
> index f21416d68c2c..cc1a3000a344 100644
> --- a/fs/btrfs/transaction.c
> +++ b/fs/btrfs/transaction.c
> @@ -636,7 +636,7 @@ struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv(
> if (IS_ERR(trans))
> return trans;
>
> - num_bytes = btrfs_calc_insert_metadata_size(fs_info, num_items);
> + num_bytes = btrfs_calc_metadata_size(fs_info, num_items);
> ret = btrfs_cond_migrate_bytes(fs_info, &fs_info->trans_block_rsv,
> num_bytes, min_factor);
> if (ret) {
> --
> 2.21.0
>
--
Filipe David Manana,
“Whether you think you can, or you think you can't — you're right.”