On Mon, 24 Aug 2020 09:42:34 +0800 Yafang Shao <laoar.shao@xxxxxxxxx> wrote:
> --- a/include/linux/iomap.h
> +++ b/include/linux/iomap.h
> @@ -271,4 +271,11 @@ int iomap_swapfile_activate(struct swap_info_struct *sis,
> # define iomap_swapfile_activate(sis, swapfile, pagespan, ops) (-EIO)
> #endif /* CONFIG_SWAP */
>
> +/* Use the journal_info to indicate current is in a transaction */
> +static inline bool
> +fstrans_context_active(void)
> +{
> + return current->journal_info != NULL;
> +}
Why choose iomap.h for this?
