From bb61d657c1ff11c4339a777e1fcf57173783bf7d Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Thu, 15 Dec 2011 14:37:34 +0100

Subject: [PATCH] 99base/dracut-lib.sh: added inst_mount_hook add_mount_point

inst_mount_hook <mountpoint> <prio> <name> <script>

Install a mount hook with priority <prio>,

which executes <script> as soon as <mountpoint> is mounted.

add_mount_point <dev> <mountpoint> <filesystem> <fsopts>

Mount <dev> on <mountpoint> with <filesystem> and <fsopts>

and call any mount hooks, as soon, as it is mounted

---

 modules.d/99base/dracut-lib.sh |   91 ++++++++++++++++++++++++++++++++++++++++

 1 files changed, 91 insertions(+), 0 deletions(-)

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh

index c881869..9eae4d9 100755

--- a/modules.d/99base/dracut-lib.sh

+++ b/modules.d/99base/dracut-lib.sh

@@ -602,6 +602,92 @@ usable_root() {

     return 0

 }

+inst_hook() {

+    local _hookname _unique _name _job _exe

+    while [ $# -gt 0 ]; do

+        case "$1" in

+            --hook)

+                _hookname="/$2";shift;;

+            --unique)

+                _unique="yes";;

+            --name)

+                _name="$2";shift;;

+            *)

+                break;;

+        esac

+        shift

+    done

+

+    if [ -z "$_unique" ]; then

+        _job="${_name}$$"

+    else

+        _job="${_name:-$1}"

+        _job=${_job##*/}

+    fi

+

+    _exe=$1

+    shift

+

+    [ -x "$_exe" ] || _exe=$(command -v $_exe)

+

+    if [ -n "$onetime" ]; then

+        {

+            echo '[ -e "$_job" ] && rm "$_job"'

+            echo "$_exe $@"

+        } > "/tmp/$$-${_job}.sh"

+    else

+        echo "$_exe $@" > "/tmp/$$-${_job}.sh"

+    fi

+

+    mv -f "/tmp/$$-${_job}.sh" "$hookdir/${_hookname}/${_job}.sh"

+}

+

+# inst_mount_hook <mountpoint> <prio> <name> <script>

+#

+# Install a mount hook with priority <prio>,

+# which executes <script> as soon as <mountpoint> is mounted.

+inst_mount_hook() {

+    local _prio="$2" _jobname="$3" _script="$4"

+    local _hookname="mount-$(str_replace "$1" '/' '\\x2f')"

+    [ -d "$hookdir/${_hookname}" ] || mkdir -p "$hookdir/${_hookname}"

+    inst_hook --hook "$_hookname" --unique --name "${_prio}-${_jobname}" "$_script"

+}

+

+# add_mount_point <dev> <mountpoint> <filesystem> <fsopts>

+#

+# Mount <dev> on <mountpoint> with <filesystem> and <fsopts>

+# and call any mount hooks, as soon, as it is mounted

+add_mount_point() {

+    local _dev="$1" _mp="$2" _fs="$3" _fsopts="$4"

+    local _hookname="mount-$(str_replace "$2" '/' '\\x2f')"

+    local _devname="dev-$(str_replace "$1" '/' '\\x2f')"

+    echo "$_dev $_mp $_fs $_fsopts 0 0" >> /etc/fstab

+

+    exec 7>/etc/udev/rules.d/99-mount-${_devname}.rules

+    echo 'SUBSYSTEM!="block", GOTO="mount_end"' >&7

+    echo 'ACTION!="add|change", GOTO="mount_end"' >&7

+    if [ -n "$_dev" ]; then

+        udevmatch "$_dev" >&7 || {

+            warn "add_mount_point dev=$_dev incorrect!"

+            continue

+        }

+        printf ', ' >&7

+    fi

+

+    {

+        printf -- 'RUN+="%s --unique --onetime ' $(command -v initqueue)

+        printf -- '--name mount-%%k '

+        printf -- '%s %s"\n' "$(command -v mount_hook)" "${_mp}"

+    } >&7

+    echo 'LABEL="mount_end"' >&7

+    exec 7>&-

+}

+

+# wait_for_mount <mountpoint>

+#

+# Installs a initqueue-finished script,

+# which will cause the main loop only to exit,

+# if <mountpoint> is mounted.

 wait_for_mount()

 {

     local _name

@@ -614,6 +700,11 @@ wait_for_mount()

     } >> "$hookdir/emergency/90-${_name}.sh"

 }

+# wait_for_dev <dev>

+#

+# Installs a initqueue-finished script,

+# which will cause the main loop only to exit,

+# if the device <dev> is recognized by the system.

 wait_for_dev()

 {

     local _name