Any program can query with udevinfo for persistent device
attributes evaluated on device discovery now.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
udevinfo segfaults cause klibc's strlcpy writes behind the specified
size of the destination string. strlcat truncates the destination
string which is also not what you expect from a concatenation function.
Some broken ide drivers are generating high event traffic, with
add/remove events. With this attribute, it can be specified,
that the node is always available. It may be used in conjunction
with the new DRIVER= match to catch specific kernel device drivers.