On Fri 07-02-20 20:07:58, Xiaoguang Wang wrote:
> Since commit "b1b4705d54ab ext4: introduce direct I/O read using
> iomap infrastructure", we can easily make ext4 support iopoll
> method, just use iomap_dio_iopoll().
>
> Signed-off-by: Xiaoguang Wang <xiaoguang.wang@xxxxxxxxxxxxxxxxx>
The patch looks good to me. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/ext4/file.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/ext4/file.c b/fs/ext4/file.c
> index 5f225881176b..0d624250a62b 100644
> --- a/fs/ext4/file.c
> +++ b/fs/ext4/file.c
> @@ -872,6 +872,7 @@ const struct file_operations ext4_file_operations = {
> .llseek = ext4_llseek,
> .read_iter = ext4_file_read_iter,
> .write_iter = ext4_file_write_iter,
> + .iopoll = iomap_dio_iopoll,
> .unlocked_ioctl = ext4_ioctl,
> #ifdef CONFIG_COMPAT
> .compat_ioctl = ext4_compat_ioctl,
> --
> 2.17.2
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
