Actually here it does account an entire folio. The j is just
array index.
> It seems like you can just call io_buffer_account_pin()
> instead.
>
> On that note, you shouldn't duplicate code in either case,
> just treat the normal discontig pages case as folios of
> shift=PAGE_SHIFT.
>
> Either just plain reuse or adjust io_buffer_account_pin()
> instead of io_coalesced_buffer_account_pin().
> io_coalesced_imu_alloc() should also go away.
>
> io_sqe_buffer_register() {
> struct io_imu_folio_data data;
>
> if (!io_sqe_buffer_try_coalesce(pages, folio_data)) {
> folio_data.shift = PAGE_SHIFT;
> ...
> }
>
> io_buffer_account_pin(pages, &data);
> imu->data = uaddr;
> ...
> }
Will remove them.
Thanks,
Chenliang Li
