On Sunday 20 May 2007 07:01, Pierre Ossman wrote: > Hi Greg, > > I'm reworking the sysfs stuff in the MMC layer to be a bit more flexible, but > there is one thing that has me baffled; how do you add attributes to an object > in a race free manner when you have a dynamic set of attributes. > > I've looked at other parts of the kernel and they all use: > > 1. Add object. > 2. Add attributes. > > To me, it seems like there's a window between 1 and 2 where the object is in > /sys but doesn't have the proper attributes. Life for user space gets very > annoying if it has to add artificial delays to avoid this window. > > So how do I do this properly? Something like this would, from my point of > view, > be the sane method: > > 1. Add hidden object. > 2. Add attributes. > 3. Show object. >
1. dev->uevent_suppress = 1; 2. device_register(dev); 3. device_create_file(dev, ...); 4. dev->uevent_suppress = 0; 5. kobject_uevent(&dev->kobj, KOBJ_ADD); -- Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
