Re: [PATCH] f2fs: fix submit accounting for IPU writeback

[Chao Yu]

On 10/14/26 19:26, Seongjae Jeong wrote:
> f2fs_write_cache_pages() uses the submitted count, which is set to
> fio.submitted in f2fs_write_single_data_page(), to update nwritten
> and decrement wbc->nr_to_write.
> 
> In the OPU path, f2fs_submit_page_write() sets fio->submitted to 1.
> However, in the IPU path, fio->submitted is never set and remains zero.
> As a result, successful IPU writes are not accounted for.
> This can cause asynchronous writeback to continue beyond its budget.
> 
> Set fio->submitted in f2fs_inplace_write_data() after a page is
> successfully merged into a bio or submitted, so that successful
> IPU writes are included in the writeback accounting.
> 

Missing Fixes and Cc stable line?

> Signed-off-by: Seongjae Jeong <jsjlee1020@xxxxxxxxx>
Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,