On 2022/5/9 4:30, Matthew Wilcox (Oracle) wrote:
> From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
>
> We no longer need the page's inode pinned. This comment dates back to
> commit db37648cd6ce ("[PATCH] mm: non syncing lock_page()") which added
> lock_page_nosync(). That was removed by commit 7eaceaccab5f ("block:
> remove per-queue plugging") which also made this comment obsolete.
>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Many thanks for doing this! :)
> ---
> include/linux/pagemap.h | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
> index 65ae8f96554b..ab47579af434 100644
> --- a/include/linux/pagemap.h
> +++ b/include/linux/pagemap.h
> @@ -908,9 +908,6 @@ static inline void folio_lock(struct folio *folio)
> __folio_lock(folio);
> }
>
> -/*
> - * lock_page may only be called if we have the page's inode pinned.
> - */
> static inline void lock_page(struct page *page)
> {
> struct folio *folio;
>
