diff options
Diffstat (limited to 'packages/slugos-init/files')
| -rw-r--r-- | packages/slugos-init/files/boot/disk | 9 | ||||
| -rw-r--r-- | packages/slugos-init/files/functions | 13 | ||||
| -rw-r--r-- | packages/slugos-init/files/turnup | 6 |
3 files changed, 21 insertions, 7 deletions
diff --git a/packages/slugos-init/files/boot/disk b/packages/slugos-init/files/boot/disk index d47be54c37..63370ce340 100644 --- a/packages/slugos-init/files/boot/disk +++ b/packages/slugos-init/files/boot/disk @@ -38,12 +38,13 @@ then # is attempted. if test -n "$UUID" && mount "$@" UUID="$UUID" /mnt || - mount "$@" -U "$UUID" /mnt || mount "$@" "$device" /mnt then - # checkmount checks for sh, chroot, init - # and /mnt (i.e. /mnt/mnt in this case) - if checkmount /mnt + # checkmount checks for sh, chroot, init, /dev + # and /mnt (i.e. /mnt/mnt in this case). + # minimaldevnodes checks (and creates if required) + # a few mandatory /dev nodes we may need. + if checkmount /mnt && minimaldevnodes /mnt then # pivot to /initrd if available, else /mnt cd / diff --git a/packages/slugos-init/files/functions b/packages/slugos-init/files/functions index 18f4009ee7..5b6b40b091 100644 --- a/packages/slugos-init/files/functions +++ b/packages/slugos-init/files/functions @@ -173,6 +173,7 @@ checkmount(){ # basic test for init (the kernel will try to load this) # but require a shell in bin/sh too test \( -d "$1/mnt" \) -a \ + \( -d "$1/dev" \) -a \ \( -x "$1/bin/sh" -o -h "$1/bin/sh" \) -a \ \( -x "$1/usr/sbin/chroot" -o -h "$1/usr/sbin/chroot" -o \ -x "$1/sbin/chroot" -o -h "$1/sbin/chroot" \) -a \ @@ -181,6 +182,18 @@ checkmount(){ -x "$1/bin/init" -o -h "$1/bin/init" \) } # +# minimaldevnodes "mountpoint" +# tests an already mounted mountpoint to see if a very minimal +# set of devices exists or can be created in dev, and returns +# failure if not. This is required for booting to an nfsroot +# with an empty dev directory, as commonly occurs when the rootfs +# is created from a tar.gz image. This is also required for mdev. +minimaldevnodes(){ + [ -c "$1/dev/console" ] || mknod -m 600 "$1/dev/console" c 5 1 || return 1 + [ -c "$1/dev/null" ] || mknod -m 666 "$1/dev/null" c 1 3 || return 1 + return 0 +} +# # swivel "new root" "old root" # NOTE: the arguments must be paths relative to /, bad things # will happen if the arguments themselves start with / diff --git a/packages/slugos-init/files/turnup b/packages/slugos-init/files/turnup index 4aa1fba3ed..2bbc9024ef 100644 --- a/packages/slugos-init/files/turnup +++ b/packages/slugos-init/files/turnup @@ -578,7 +578,7 @@ disk() { fso="$(fsoptions "$@")" if if test -n "$uuid" then - mount "$@" UUID="$uuid" "$new" || mount "$@" -U "$uuid" "$new" + mount "$@" UUID="$uuid" "$new" else mount "$@" "$device" "$new" fi @@ -591,7 +591,7 @@ disk() { if test -n "$fst" && if test -n "$uuid" then - mount -t "$fst" -o "$fso" UUID="$uuid" "$new" || mount -t "$fst" -o "$fso" -U "$uuid" "$new" + mount -t "$fst" -o "$fso" UUID="$uuid" "$new" else mount -t "$fst" -o "$fso" "$device" "$new" fi @@ -633,7 +633,7 @@ disk() { then echo " options used: -t $fst -o $fso [error in this script]" >&2 test -n "$uuid" && - echo " uuid: $uuid (passed with UUID= or -U)" >&2 + echo " uuid: $uuid (passed with UUID=<uuid>)" >&2 fi fi |