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b1ce735cc5
If mounts are left lingering, then after we switch_root, attempts to modify the block devices will result in an EBUSY with no way to unmount them. As we're about to switch_root anyways, there isn't much use to keep anything mounted unless it has the new rootfs. (From OE-Core rev: 999883990235251127b65f2277dcb40004e7f657) Signed-off-by: Justin Bronder <jsbronder@cold-front.org> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit 4dc7af6d25597ea10ea43e76c7c3d7251462c0e5) Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> (cherry picked from commit 991631492f4fafc1852113a34a60b025342518b6) Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
40 lines
1.1 KiB
Bash
Executable File
40 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2011 O.S. Systems Software LTDA.
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# Licensed on MIT
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finish_enabled() {
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return 0
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}
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finish_run() {
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if [ -n "$ROOTFS_DIR" ]; then
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if [ ! -d $ROOTFS_DIR/dev ]; then
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fatal "ERROR: There's no '/dev' on rootfs."
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fi
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# Unmount anything that was automounted by busybox via mdev-mount.sh.
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# We're about to switch_root, and leaving anything mounted will prevent
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# the next rootfs from modifying the block device. Ignore ROOT_DISK,
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# if it was set by setup-live, because it'll be mounted over loopback
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# to ROOTFS_DIR.
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local dev
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for dev in /run/media/*; do
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if mountpoint -q "${dev}" && [ "${dev##*/}" != "${ROOT_DISK}" ]; then
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umount -f "${dev}" || debug "Failed to unmount ${dev}"
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fi
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done
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info "Switching root to '$ROOTFS_DIR'..."
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debug "Moving /dev, /proc and /sys onto rootfs..."
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mount --move /dev $ROOTFS_DIR/dev
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mount --move /proc $ROOTFS_DIR/proc
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mount --move /sys $ROOTFS_DIR/sys
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cd $ROOTFS_DIR
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exec switch_root -c /dev/console $ROOTFS_DIR ${bootparam_init:-/sbin/init}
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else
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debug "No rootfs has been set"
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fi
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}
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