drbd: fix for truncated minor number in callback command line
The command line parameter the kernel module uses to communicate the device minor to userland helper is flawed in a way that the device indentifier "minor-%d" is being truncated to minors with a maximum of 5 digits. But DRBD 8.4 allows 2^20 == 1048576 minors, thus a minimum of 7 digits must be supported. Reported by Veit Wahlich on drbd-dev. Signed-off-by:Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by:
Jens Axboe <axboe@fb.com>
parent
1b228c98
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