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On Fri, Aug 20, 2004 at 03:21:43PM +0100, Matthew Wilcox wrote: > On Sat, Aug 14, 2004 at 07:29:32PM +0100, Matthew Wilcox wrote: > > Thoughts? Since there's at least four and probably more ways of getting > > at VPD, we either need to fill in some VPD structs at initialisation or > > have some kind of vpd_ops that a driver can fill in so the core can get > > at the data. > > I've tried the first option -- creating a large block of sysfs entries for > all the VPD entries that are present. However, I've come upon a problem > with sysfs that prevents me from doing so. > > Basically, the problem is that sysfs doesn't pass the attribute that's > being invoked to the attribute ->show method. So I can't determine > which one is being read. This isn't a problem for any other sysfs attribute > because they're all static, but for dynamically created attributes, it's > not possible to work this way. Ya, I ran into some similar restrictions with a driver I was writing...after talking to gregkh, you are going to have to go down a level and use kobjects directly...each piece of data will have a kobject, and that's what you dereference in the show method. -- Dave Boutcher - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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