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SubjectRe: [PATCH v2] SCSI: fcoe: convert to use BUS_ATTR_WO
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On 1/22/19 3:27 PM, Greg Kroah-Hartman wrote:
> We are trying to get rid of BUS_ATTR() and the usage of that in the fcoe
> driver can be trivially converted to use BUS_ATTR_WO(), so use that
> instead.
>
> Cc: Johannes Thumshirn <jth@kernel.org>
> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
> Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> v2: Made simpler with wrapper functions to call the "real" show/store
> functions, thanks to James for the idea.
> Removed the EXPORT_SYMBOL() removal line, that belongs in a separate
> patch
>
> drivers/scsi/fcoe/fcoe_sysfs.c | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
> index 5c8310bade61..c3dcbdc3aa64 100644
> --- a/drivers/scsi/fcoe/fcoe_sysfs.c
> +++ b/drivers/scsi/fcoe/fcoe_sysfs.c
> @@ -671,8 +671,19 @@ static const struct device_type fcoe_fcf_device_type = {
> .release = fcoe_fcf_device_release,
> };
>
> -static BUS_ATTR(ctlr_create, S_IWUSR, NULL, fcoe_ctlr_create_store);
> -static BUS_ATTR(ctlr_destroy, S_IWUSR, NULL, fcoe_ctlr_destroy_store);
> +static ssize_t ctlr_create_store(struct bus_type *bus, const char *buf,
> + size_t count)
> +{
> + return fcoe_ctlr_create_store(bus, buf, count);
> +}
> +static BUS_ATTR_WO(ctlr_create);
> +
> +static ssize_t ctlr_destroy_store(struct bus_type *bus, const char *buf,
> + size_t count)
> +{
> + return fcoe_ctlr_destroy_store(bus, buf, count);
> +}
> +static BUS_ATTR_WO(ctlr_destroy);
>
> static struct attribute *fcoe_bus_attrs[] = {
> &bus_attr_ctlr_create.attr,
>
Why not renaming the functions and drop the wrapper?

Cheers,

Hannes

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