Re: Fix ahci don't retry commands after a success error handler.

[Jeff Garzik <jgarzik@pobox.com>]

On 01/06/2013 12:14 AM, y b wrote:
>>From 78c0fb104c9957db682518b97ce6a01ce1bc07b6 Mon Sep 17 00:00:00 2001
> From: Bian Yu <bianyu@kedacom.com>
> Date: Wed, 12 Dec 2012 22:26:58 -0500
> Subject: [PATCH] It should be a mistake introduced by commit 8d899e70c1b3afff.
>   because only qc->flags can't be set AC_ERR_*
>
> Signed-off-by: Bian Yu <bianyu@kedacom.com>
> ---
>   drivers/ata/libata-eh.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
> index bf039b0..bcf4437 100644
> --- a/drivers/ata/libata-eh.c
> +++ b/drivers/ata/libata-eh.c
> @@ -2094,7 +2094,7 @@ static unsigned int ata_eh_speed_down(struct
> ata_device *dev,
>    */
>   static inline int ata_eh_worth_retry(struct ata_queued_cmd *qc)
>   {
> -       if (qc->flags & AC_ERR_MEDIA)
> +       if (qc->err_mask & AC_ERR_MEDIA)
>                  return 0;       /* don't retry media errors */
>          if (qc->flags & ATA_QCFLAG_IO)

applied, good catch