bootscripts: changed mountvirtfs, udev, udev_retry

bootscripts/ChangeLog

@@ -1,3 +1,17 @@
+2023-07-28 Xi Ruoyao <xry111@xry111.site>
+   * In mountvirtfs, mount /sys/fs/cgroup for udev from systemd-254.
+
+2023-07-22 Xi Ruoyao <xry111@xry111.site>
+   * In mountvirtfs, create symlinks /dev/{fd,std{in,out,err}} and
+     /dev/core (optional).
+
+2023-07-16 Xi Ruoyao <xry111@xry111.site>
+   * In udev, set SYSTEMD_LOG_TARGET=kmsg so systemd-udevd will correctly
+     log messages.
+
+2023-07-15 Xi Ruoyao <xry111@xry111.site>
+   * Use /bin/udevadm instead of /sbin/udevadm.
+
 2022-09-30 Bruce Dubbs <bdubbs@linuxfromscratch.org>
    * Mount /dev/shm as a tmpfs.
 
@@ -1135,7 +1149,7 @@ n/a - January 30, 2004:
 
    * Changed the loadkeys script to run "loadkeys -d" and removed the need
      for the /etc/sysconfig/keyboard file. The kbd patch fixes the
-     "loadkeys -d" behaviour.
+     "loadkeys -d" behavior.
 
 1.6 - February 26th, 2002:
 

bootscripts/lfs/init.d/mountvirtfs

@@ -7,8 +7,9 @@
 # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
 #               DJ Lucas - dj@linuxfromscratch.org
 # Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
+#               Xi Ruoyao - xry111@xry111.site
 #
-# Version     : LFS 7.0
+# Version     : LFS 12.0
 #
 ########################################################################
 
@@ -62,6 +63,33 @@ case "${1}" in
       log_info_msg2 " ${INFO}/dev/shm"
       mount -o nosuid,nodev /dev/shm || failed=1
 
+      mkdir -p /sys/fs/cgroup
+      log_info_msg2 " ${INFO}/sys/fs/cgroup"
+      mount -o nosuid,noexec,nodev /sys/fs/cgroup || failed=1
+
+      (exit ${failed})
+      evaluate_retval
+      if [ "${failed}" = 1 ]; then
+         exit 1
+      fi
+
+      log_info_msg "Create symlinks in /dev targeting /proc: ${INFO}/dev/stdin"
+      ln -sf /proc/self/fd/0 /dev/stdin  || failed=1
+
+      log_info_msg2 " ${INFO}/dev/stdout"
+      ln -sf /proc/self/fd/1 /dev/stdout || failed=1
+
+      log_info_msg2 " ${INFO}/dev/stderr"
+      ln -sf /proc/self/fd/2 /dev/stderr || failed=1
+
+      log_info_msg2 " ${INFO}/dev/fd"
+      ln -sf /proc/self/fd   /dev/fd     || failed=1
+
+      if [ -e /proc/kcore ]; then
+         log_info_msg2 " ${INFO}/dev/core"
+         ln -sf /proc/kcore  /dev/core   || failed=1
+      fi
+
       (exit ${failed})
       evaluate_retval
       exit $failed

bootscripts/lfs/init.d/udev

@@ -7,8 +7,9 @@
 # Authors     : Zack Winkles, Alexander E. Patrakov
 #               DJ Lucas - dj@linuxfromscratch.org
 # Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
+#               Xi Ruoyao - xry111@xry111.site
 #
-# Version     : LFS 7.0
+# Version     : LFS 12.0
 #
 ########################################################################
 
@@ -45,17 +46,17 @@ case "${1}" in
 
       # Start the udev daemon to continually watch for, and act on,
       # uevents
-      /sbin/udevd --daemon
+      SYSTEMD_LOG_TARGET=kmsg /sbin/udevd --daemon
 
       # Now traverse /sys in order to "coldplug" devices that have
       # already been discovered
-      /sbin/udevadm trigger --action=add    --type=subsystems
-      /sbin/udevadm trigger --action=add    --type=devices
-      /sbin/udevadm trigger --action=change --type=devices
+      /bin/udevadm trigger --action=add    --type=subsystems
+      /bin/udevadm trigger --action=add    --type=devices
+      /bin/udevadm trigger --action=change --type=devices
 
       # Now wait for udevd to process the uevents we triggered
       if ! is_true "$OMIT_UDEV_SETTLE"; then
-         /sbin/udevadm settle
+         /bin/udevadm settle
       fi
 
       # If any LVM based partitions are on the system, ensure they

bootscripts/lfs/init.d/udev_retry

@@ -34,8 +34,6 @@ case "${1}" in
    start)
       log_info_msg "Retrying failed uevents, if any..."
 
-      # As of udev-186, the --run option is no longer valid
-      #rundir=$(/sbin/udevadm info --run)
       rundir=/run/udev
       # From Debian: "copy the rules generated before / was mounted
       # read-write":
@@ -52,13 +50,13 @@ case "${1}" in
       /bin/sed -e 's/#.*$//' /etc/sysconfig/udev_retry | /bin/grep -v '^$' | \
       while read line ; do
          for subsystem in $line ; do
-            /sbin/udevadm trigger --subsystem-match=$subsystem --action=add
+            /bin/udevadm trigger --subsystem-match=$subsystem --action=add
          done
       done
 
       # Now wait for udevd to process the uevents we triggered
       if ! is_true "$OMIT_UDEV_RETRY_SETTLE"; then
-         /sbin/udevadm settle
+         /bin/udevadm settle
       fi
 
       evaluate_retval