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SubjectRe: [PATCH v2] SCSI: fcoe: convert to use BUS_ATTR_WO
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On 1/26/19 11:39 AM, Greg Kroah-Hartman wrote:
> On Sat, Jan 26, 2019 at 11:26:47AM +0100, Hannes Reinecke wrote:
>> 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?
>
> I did that in v1 of this patch, but people complained I was messing up
> their function namespace :)
>
Sigh.

Okay, then.

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes

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