Re: [PATCH] Replace pcihpfs with sysfs.

Stanley Wang
2003-01-30T05:40:18Z

On Wed, 29 Jan 2003, Greg KH wrote:

> On Thu, Jan 30, 2003 at 11:21:54AM +0800, Stanley Wang wrote:
> > On Wed, 22 Jan 2003, Greg KH wrote:
> >
> > > > diff -Nru a/drivers/hotplug/cpci_hotplug_core.c b/drivers/hotplug/cpci_hotplug_core.c
> > > > --- a/drivers/hotplug/cpci_hotplug_core.c Wed Jan 22 09:30:20 2003
> > > > +++ b/drivers/hotplug/cpci_hotplug_core.c Wed Jan 22 09:30:20 2003
> > > > @@ -130,7 +130,7 @@
> > > > return -EINVAL;
> > > > memcpy(&info, hotplug_slot->info, sizeof(struct hotplug_slot_info));
> > > > info.latch_status = value;
> > > > - return pci_hp_change_slot_info(hotplug_slot->name, &info);
> > > > + return 0;
> > >
> > > We really need to keep this functionality. Unfortunatly sysfs doesn't
> > > support that yet. I'd keep the call to pci_hp_change_slot_info() around
> > > to point out that this needs to be fixed in sysfs.
> > Sorry for my carelessness. I found that we could implement this function
> > with sysfs. Following the patch against my last patch. And I will resend a
> > new updated all-in-one patch to you.
>
> No, this patch does not update the proper file within sysfs, only the
> directory entry, which isn't what we really want. I just sent off the
> following patch to Pat Mochel that adds sysfs_update_file() to sysfs,
> and modified the pci hotplug core to use it. I've already applied your
> previous patches, so you don't have to resend anything to me :)
Yes, you ar right. Although I think we could find the inode through the
kobj->dentry finally, but the more elegant way is to implement it in sysfs :)

Thanks.

Regards,