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20dfee5aff
ref #1465 I think the initramfs create /dev/fd as a dir. When mdev-mount later runs 'ln -snf /proc/self/fd /dev/fd' the 'fd' symlink ends up as /dev/fd/fd. We fix this by always remove /dev/fd before creating the symlink.
66 lines
1.8 KiB
Plaintext
66 lines
1.8 KiB
Plaintext
#!/sbin/runscript
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# Largely based on Gentoo's udev-mount
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#
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# Copyright 1999-2008 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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#
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description="Mount tmpfs on /dev"
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mount_dev_directory()
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{
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if [ "$(mountinfo -t /dev)" = "mdev" ]; then
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# already mounted
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if fstabinfo --quiet /dev; then
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mount -o remount -n /dev
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fi
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return 0
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fi
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# No options are processed here as they should all be in /etc/fstab
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ebegin "Mounting /dev"
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mkdir -p /dev
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if fstabinfo --quiet /dev; then
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mount -n /dev
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else
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# Some devices require exec, Bug #92921
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mount -n -t tmpfs -o "exec,nosuid,mode=0755,size=1M" mdev /dev
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fi
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eend $?
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}
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seed_dev()
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{
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# Seed /dev with some things that we know we need
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# creating /dev/console, /dev/tty and /dev/tty1 to be able to write
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# to $CONSOLE with/without bootsplash before udevd creates it
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[ -c /dev/console ] || mknod -m 600 /dev/console c 5 1
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[ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1
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[ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0
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# udevd will dup its stdin/stdout/stderr to /dev/null
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# and we do not want a file which gets buffered in ram
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[ -c /dev/null ] || mknod -m 666 /dev/null c 1 3
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# so udev can add its start-message to dmesg
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[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
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# Not provided by sysfs but needed
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rm -rf /dev/fd
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ln -snf /proc/self/fd /dev/fd
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ln -snf fd/0 /dev/stdin
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ln -snf fd/1 /dev/stdout
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ln -snf fd/2 /dev/stderr
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[ -e /proc/kcore ] && ln -snf /proc/kcore /dev/core
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# Create problematic directories
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mkdir -p /dev/pts /dev/shm
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return 0
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}
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start() {
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mount_dev_directory || return 1
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seed_dev
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}
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