Re: [PATCH v3 11/23] f2fs: Convert f2fs_fsync_node_pages() to use filemap_get_folios_tag()

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On Mon, Oct 17, 2022 at 1:25 PM Vishal Moola (Oracle)
<vishal.moola@xxxxxxxxx> wrote:
>
> Convert function to use a folio_batch instead of pagevec. This is in
> preparation for the removal of find_get_pages_range_tag().
>
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
> ---
>  fs/f2fs/node.c | 19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 983572f23896..e8b72336c096 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -1728,12 +1728,12 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
>                         unsigned int *seq_id)
>  {
>         pgoff_t index;
> -       struct pagevec pvec;
> +       struct folio_batch fbatch;
>         int ret = 0;
>         struct page *last_page = NULL;
>         bool marked = false;
>         nid_t ino = inode->i_ino;
> -       int nr_pages;
> +       int nr_folios;
>         int nwritten = 0;
>
>         if (atomic) {
> @@ -1742,20 +1742,21 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
>                         return PTR_ERR_OR_ZERO(last_page);
>         }
>  retry:
> -       pagevec_init(&pvec);
> +       folio_batch_init(&fbatch);
>         index = 0;
>
> -       while ((nr_pages = pagevec_lookup_tag(&pvec, NODE_MAPPING(sbi), &index,
> -                               PAGECACHE_TAG_DIRTY))) {
> +       while ((nr_folios = filemap_get_folios_tag(NODE_MAPPING(sbi), &index,
> +                                       (pgoff_t)-1, PAGECACHE_TAG_DIRTY,
> +                                       &fbatch))) {
>                 int i;
>
> -               for (i = 0; i < nr_pages; i++) {
> -                       struct page *page = pvec.pages[i];
> +               for (i = 0; i < nr_folios; i++) {
> +                       struct page *page = &fbatch.folios[i]->page;
>                         bool submitted = false;
>
>                         if (unlikely(f2fs_cp_error(sbi))) {
>                                 f2fs_put_page(last_page, 0);
> -                               pagevec_release(&pvec);
> +                               folio_batch_release(&fbatch);
>                                 ret = -EIO;
>                                 goto out;
>                         }
> @@ -1821,7 +1822,7 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
>                                 break;
>                         }
>                 }
> -               pagevec_release(&pvec);
> +               folio_batch_release(&fbatch);
>                 cond_resched();
>
>                 if (ret || marked)
> --
> 2.36.1
>

Following up on these f2fs patches (11/23, 12/23, 13/23, 14/23, 15/23,
16/23). Does anyone have time to review them this week?



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