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- #!/bin/sh
- # - if /dev is not mounted - mount as a devtmpfs (CONFIG_DEVTMPFS=y)
- # - if /dev is mounted (e.g. due to handover from initramfs or
- # CONFIG_DEVTMPFS_MOUNT=y), remount with specific options
- # - some video drivers require exec access in /dev, thus it's set here
- # - for completness, we add few sanity limits (2k non-empty files, 16k inodes)
- UDEVOPTS="exec,nosuid,noatime,mode=0755,nr_blocks=2048,nr_inodes=16384"
- if /bin/mountpoint -q /dev ; then
- /bin/mount -n -o remount,${UDEVOPTS} dev /dev
- else
- /bin/mount -n -t devtmpfs -o ${UDEVOPTS} dev /dev
- fi
- # mount /run directory
- /bin/mountpoint -q /run || \
- /bin/mount -n -t tmpfs -o mode=0755,nosuid,nodev,exec tmpfs /run
- # copy devcies from /lib/udev/devices
- cp -ar /lib/udev/devices/* /dev
- # launch udev daemon, make sure it's not running first
- test -z "$(/bin/pidof -s udevd)" && /sbin/udevd --daemon
- # coldplug devices and wait for the queue to be processed
- /sbin/udevadm trigger --type=subsystems --action=add
- /sbin/udevadm trigger --type=devices --action=add
- /sbin/udevadm settle
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