Hi,
I'd like to request few additional features into toybox's mdev thats are
already part of busybox's mdev implamentation.
* /dev/mdev.seq support
That would get us serialization of mdev events, to avoid race conditions
and make scripting mdev as simple as possible. In busybox's mdev you
just create empty /dev/mdev.seq to turn this feature on.
* Get $DEVNAME from uevent (sysfs)
That would allow us to get not only device name but also the dit it
supposed to goes into, from the kernel, so instead of get event for
device 'controlC0' it would get it as 'snd/controlC0'. Added in busybox
in commit c3cf1e30a3022453311a7e9fe11d94c7a381640e. Testable by
executing 'env' via mdev (via mdev.conf for example).
* environment variable match
Currently all you can do is match your rules basing on $DEVNAME. With
env variable support you could match on $SUBSYSTEM or even $DEVTYPE,
thus rules could be like:
SUBSYSTEM=usb;DEVTYPE=usb_device;.* root:root 660
instead of
usbdev.* root:root 660
Added to busybox on commit 40b97fb31ec7c24db706b47182f400f2a13dbbfc
-- Piotr.
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