From 2348d65a0e27cb8d6d45863fe88a2cda2264b906 Mon Sep 17 00:00:00 2001
From: Thomas Bächler <thomas@archlinux.org>
Date: Tue, 16 Feb 2010 00:57:32 +0100
Subject: Remove the special handling for the default mount procedure, move it
 into a mount handler (default_mount_handler)

---
 init | 73 +++-----------------------------------------------------------------
 1 file changed, 3 insertions(+), 70 deletions(-)

(limited to 'init')

diff --git a/init b/init
index 6a206e9..442d534 100644
--- a/init
+++ b/init
@@ -16,7 +16,7 @@ export init=""
 echo "/sbin/modprobe" > /proc/sys/kernel/modprobe
 
 # set default mount handler
-mount_handler="default"
+mount_handler="default_mount_handler"
 
 # if available, start udevd at this stage
 if [ -x /sbin/udevd ]; then
@@ -105,76 +105,9 @@ if [ -f "/message" ]; then
     msg "$(cat /message)"
 fi
 
+# Mount root at /new_root
 mkdir -p /new_root
-if [ -z "${mount_handler}" -o "${mount_handler}" = "default" ]; then
-  if [ ${root:0:5} != "/dev/" ] || ! poll_device "${root}" ${rootdelay}; then
-    msg "\nRoot device '${root}' doesn't exist. Attempting to create it."
-    rootdev=""
-    if [ ${root:0:5} = "/dev/" ]; then
-      # It might be a block device (/dev/sda)
-      if [ -f /sys/block/${root:5}/dev ]; then
-        rootdev="$(cat /sys/block/${root:5}/dev | sed 's|:| |')"
-      # It might be a partition on any block device (/dev/sda1)
-      else
-        for dir in /sys/block/*; do
-          if [ -f ${dir}/${root:5}/dev ]; then
-            rootdev="$(cat ${dir}/${root:5}/dev | sed 's|:| |')"
-            break
-          fi
-        done
-      fi
-    # It might be a major/minor pair (8:1)
-    elif echo ${root} | grep -q :; then
-      rootdev="$(echo ${root} | sed 's|:| |')"
-      root="/dev/root"
-    # It might be major/minor encoded as a single hex-number (lilo-style) (801)
-    elif [ ${#root} -le 4 -a ${#root} -gt 2 ] && echo "${root}" | grep -qe '^[A-Fa-f0-9]*$'; then
-      str_offset=$((${#root}-2))
-      major=$(printf "%d" 0x${root:0:${str_offset}})
-      minor=$(printf "%d" 0x${root:${str_offset}})
-      rootdev="${major} ${minor}"
-      root="/dev/root"
-    fi
-    if [ -n "${rootdev}" ]; then
-      msg "Creating root device ${root} with major $(echo "${rootdev}" | cut -d\   -f1) and minor $(echo "${rootdev}" | cut -d\   -f2)."
-      mknod ${root} b ${rootdev}
-    else
-      err "Unable to determine major/minor number of root device '${root}'."
-      echo "You are being dropped to a recovery shell"
-      echo "    Type 'exit' to try and continue booting"
-      launch_interactive_shell
-      msg "Trying to continue (this will most likely fail) ..."
-    fi
-  fi
-  # We didn't build filesystem support into busybox,
-  # instead we use util-linux-ng's blkid for best compatibility
-  if [ -n "${rootfstype}" ]; then
-    fstype="${rootfstype}"
-  else
-    fstype=$(eval $(/sbin/blkid -o udev -p "${root}"); echo $ID_FS_TYPE)
-    if [ -z "${fstype}" ]; then
-      err "Unable to determine the file system type of ${root}:"
-      echo "Either it contains no filesystem, an unknown filesystem,"
-      echo "or more than one valid file system signature was found."
-      echo
-      echo "Try adding"
-      echo "    rootfstype=your_filesystem_type"
-      echo "to the kernel command line."
-      echo
-      echo "You are now being dropped into an emergency shell."
-      launch_interactive_shell
-      msg "Trying to continue (this will most likely fail) ..."
-    fi
-  fi
-  if [ "${readwrite}" = "yes" ]; then
-    rwopt="rw"
-  else
-    rwopt="ro"
-  fi
-  mount ${fstype:+-t ${fstype}} -o ${rwopt}${rootflags:+,${rootflags}} "${root}" /new_root
-else
-  ${mount_handler} /new_root
-fi
+${mount_handler} /new_root
 
 [ -z "${init}" ] && init="/sbin/init"
 if [ "$(stat -f -c %i /)" = "$(stat -f -c %i /new_root)" ]; then
-- 
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