On 10/15, Chao Yu wrote:
> On 2018/10/11 5:22, Jaegeuk Kim wrote:
> > If we clear the cold data flag out of the writeback flow, we can miscount
> > -1 by end_io.
>
> I didn't get it, which count do you mean?
It's the number of dirty pages.
Balancing F2FS Async:
- IO (CP: 1, Data: -1, Flush: ( 0 0 1), Discard: ( 0 129304))
cmd: 0 undiscard: 0
>
> Thanks,
>
> >
> > Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
> > ---
> > fs/f2fs/data.c | 4 ----
> > 1 file changed, 4 deletions(-)
> >
> > diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> > index 29a9d3b8f709..4102799b5558 100644
> > --- a/fs/f2fs/data.c
> > +++ b/fs/f2fs/data.c
> > @@ -2636,10 +2636,6 @@ static int f2fs_set_data_page_dirty(struct page
> > *page)
> > if (!PageUptodate(page))
> > SetPageUptodate(page);
> >
> > - /* don't remain PG_checked flag which was set during GC */
> > - if (is_cold_data(page))
> > - clear_cold_data(page);
> > -
> > if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
> > if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
> > f2fs_register_inmem_page(inode, page);
> >
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