Caleb Connolly
e0fcfb74e2
Drop in mdev.conf and the /lib/mdev/persistent-storage script, these cause /dev/disk/by-* to be populated in the ramdisk, making it possible to do look up partition by-label and by-partlabel for free, compared to findfs which can take some time. As a first optimisation based on this, check for some partitions using these paths and prioritise them when looking for subpartitions. Drop the first find_boot_partition call as it doesn't really save time over the call in the while loop. The mdev config also handles setting up /dev/null, /dev/random, etc, so these don't have to be done manually.
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