On Mon, Aug 18, 2008 at 02:21:00PM -0600, Alex Chiang wrote: > Create convenience symlinks in sysfs, linking slots to devices > and functions, and vice versa. These links make it easier for > users to figure out which devices actually live in what slots. > > The device symlink points to the device's first function. > > For example: > > sapphire:/sys/bus/pci/slots # ls > 1 10 2 3 4 5 6 7 8 9 > > sapphire:/sys/bus/pci/slots # ls -l 3 > total 0 > -r--r--r-- 1 root root 65536 Aug 18 14:10 address > lrwxrwxrwx 1 root root 0 Aug 18 14:10 device -> ../../../../devices/pci0000:23/0000:23:01.0 > lrwxrwxrwx 1 root root 0 Aug 18 14:10 function0 -> ../../../../devices/pci0000:23/0000:23:01.0 > lrwxrwxrwx 1 root root 0 Aug 18 14:10 function1 -> ../../../../devices/pci0000:23/0000:23:01.1 > > sapphire:/sys/bus/pci/slots # ls -l 3/device/slot > lrwxrwxrwx 1 root root 0 Aug 18 14:13 3/device/slot -> ../../../bus/pci/slots/3 > > The original form of this patch was written by Matthew Wilcox, > but did not have links from the sysfs slots/ directory pointing > back at devices and functions. As you are adding new sysfs files/symlinks, please document them in Documentation/ABI. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
