>
> -     err = f2fs_readpage(sbi, page, dn.data_blkaddr, READ_SYNC);
> -     if (err) {
> -             f2fs_put_page(page, 1);
> -             return ERR_PTR(err);
> +     if (PageUptodate(page)) {
> +             unlock_page(page);
> +             return page;
>       }
> -     unlock_page(page);
Hi Jaegeuk.
> +
> +     err = f2fs_readpage(sbi, page, dn.data_blkaddr, READ_SYNC);
> +     wait_on_page_locked(page);
> +     if (!PageUptodate(page))
> +             return ERR_PTR(-EIO);
We don't need to release page before returning EIO ?

>       return page;
>  }
>
> @@ -241,9 +244,13 @@ struct page *get_lock_data_page(struct inode *inode,
> pgoff_t index)
>       BUG_ON(dn.data_blkaddr == NULL_ADDR);
>
>       err = f2fs_readpage(sbi, page, dn.data_blkaddr, READ_SYNC);
> -     if (err) {
> -             f2fs_put_page(page, 1);
> +     if (err)
>               return ERR_PTR(err);
Here is also same. We don't need to release page in case of err ?

Thanks.
> +
> +     lock_page(page);
> +     if (!PageUptodate(page)) {
> +             f2fs_put_page(page, 1);
> +             return ERR_PTR(-EIO);
>       }
>       return page;
>  }
--
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