Re: [PATCH 2/3] usb: storage: add support write cache quirk on usb hdd

[Sergei Shtylyov <sshtylyov-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>]

Hello.

On 06-06-2012 16:20, Namjae Jeon wrote:

> Add support

    You missed "for" here and in the subject.

> write cache quirk on usb hdd. scsi driver will be set to wce by detecting write cache quirk in quirk list when plugging usb hdd.

> Signed-off-by: Namjae Jeon<namjae.jeon-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Pankaj Kumar<pankaj.km-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Amit Sahrawat<a.sahrawat-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> ---
>   drivers/usb/storage/scsiglue.c |    6 ++++++
>   drivers/usb/storage/usb.c      |    5 ++++-
>   include/linux/usb/quirks.h     |    3 +++
>   include/linux/usb_usual.h      |    4 +++-
>   4 files changed, 16 insertions(+), 2 deletions(-)

> diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
> index a324a5d..f7d0ea5 100644
> --- a/drivers/usb/storage/scsiglue.c
> +++ b/drivers/usb/storage/scsiglue.c
[...]
> @@ -230,6 +231,11 @@ static int slave_configure(struct scsi_device *sdev)
>   					US_FL_SCM_MULT_TARG))&&
>   				us->protocol == USB_PR_BULK)
>   			us->use_last_sector_hacks = 1;
> +
> +		/* Check for the cache quirk present or not */
> +		if (us->pusb_dev->quirks & USB_QUIRK_WRITE_CACHE ||
> +				us->fflags & US_FL_WRITE_CACHE)
> +				sdev->wce_quirk = 1;

    You overindented the last statement, so that it looks a bit like a 
continuation of previous *if*.

WBR, Sergei
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