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ac874996c9
Operations such as mkfs fail on devices that are not
switched to the actual rootfs before switch_root is
called. The kernel interprets these devices as still
being used even after unmounting and errors such as
below are seen when the target is fully booted
root@v1000:~# umount /dev/sdb1
root@v1000:~# mkfs.ext4 /dev/sdb1
mke2fs 1.43.8 (1-Jan-2018)
/dev/sdb1 contains a ext4 file system
last mounted on Wed Nov 28 07:33:54 2018
Proceed anyway? (y,N) y
/dev/sdb1 is apparently in use by the system; will not make a filesystem here!
(From OE-Core rev: 0a3ebc5584384e4bf7d9c7ba4c827db587ef3bee)
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Muhammad Hamza <muhammad_hamza@mentor.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit ec53ffd01972d1be2d6a28de828b3f0b80dc1e61)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
49 lines
1.4 KiB
Bash
Executable File
49 lines
1.4 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 basic mounts onto rootfs"
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for dir in `awk '/\/dev.* \/run\/media/{print $2}' /proc/mounts`; do
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# Parse any OCT or HEX encoded chars such as spaces
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# in the mount points to actual ASCII chars
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dir=`printf $dir`
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mkdir -p "${ROOTFS_DIR}/media/${dir##*/}"
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mount -n --move "$dir" "${ROOTFS_DIR}/media/${dir##*/}"
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done
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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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