X-Git-Url: https://glassweightruler.freedombox.rocks/gitweb/Ventoy.git/blobdiff_plain/3c46432d6f4ae95d144373511b6887f6c0f3be90..c8dc36a5c3bb042d92a04304caaa7fa7249d9d2e:/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh

diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh
index 22a3dd4..100815a 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-make-link.sh
@@ -19,17 +19,32 @@
 
 . /ventoy/hook/ventoy-hook-lib.sh
 
-if ! [ -e /dev/mapper/ventoy ]; then
-    vtlog "link to /dev/mapper/ventoy"
-    ln -s /dev/dm-0 /dev/mapper/ventoy
+if [ ! -e /dev/dm-0 ]; then
+    exit 0
 fi
 
-VTLABEL=$($BUSYBOX_PATH/blkid /dev/dm-0 | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+
+if [ -e /dev/mapper/ventoy ]; then
+    vtlog "/dev/mapper/ventoy already exist"
+else
+    vtlog "link /dev/$vtDM to /dev/mapper/ventoy"
+    ln -s /dev/$vtDM /dev/mapper/ventoy
+fi
+
+VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 vtlog "VTLABEL=$VTLABEL"
 
 if [ -n "$VTLABEL" ]; then
-    if ! [ -e "/dev/disk/by-label/$VTLABEL" ]; then
-        vtlog "link to /dev/disk/by-label/$VTLABEL"
-        ln -s /dev/dm-0 "/dev/disk/by-label/$VTLABEL"
+    if ! [ -d /dev/disk/by-label ]; then
+        mkdir -p /dev/disk/by-label
+    fi
+
+    if [ -e "/dev/disk/by-label/$VTLABEL" ]; then
+        vtlog "/dev/disk/by-label/$VTLABEL already exist"
+    else
+        vtlog "link /dev/$vtDM to /dev/disk/by-label/$VTLABEL"
+        ln -s /dev/$vtDM "/dev/disk/by-label/$VTLABEL"
     fi
 fi