diff --git a/0008-rescan-scsi-bus.sh-speed-testonline.patch b/0008-rescan-scsi-bus.sh-speed-testonline.patch
new file mode 100644
index 0000000000000000000000000000000000000000..535bd1a8b54e0008782109b74f2495f730c6c502
--- /dev/null
+++ b/0008-rescan-scsi-bus.sh-speed-testonline.patch
@@ -0,0 +1,33 @@
+From e680e840140d19cb3419ff92595bc2c91de3368a Mon Sep 17 00:00:00 2001
+From: Douglas Gilbert <dgilbert@interlog.com>
+Date: Mon, 26 Sep 2022 21:41:45 +0000
+Subject: [PATCH 1/2] rescan-scsi-bus.sh speed testonline()
+
+speed testonline() function when
+peripheral_qualifier != 0 in the standard INQUIRY
+response. See:
+https://github.com/doug-gilbert/sg3_utils/issues/24
+
+git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@972 6180dd3e-e324-4e3e-922d-17de1ae2f315
+
+Conflict: Reserve changes about rescan-scsi-bus only
+---
+ scripts/rescan-scsi-bus.sh | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/scripts/rescan-scsi-bus.sh b/scripts/rescan-scsi-bus.sh
+index 67dccf3..0e7697b 100755
+--- a/scripts/rescan-scsi-bus.sh
++++ b/scripts/rescan-scsi-bus.sh
+@@ -276,7 +276,7 @@ testonline ()
+ 
+   # Handle in progress of becoming ready and unit attention
+   while [ $RC = 2 -o $RC = 6 ] && [ $ctr -le 30 ] ; do
+-    if [ $RC = 2 ] && [ "$RMB" != "1" ] ; then
++    if [ $RC = 2 ] && [ "$RMB" != "1" ] && [ sg_inq /dev/$SGDEV | grep -q -i "PQual=0" ] ; then
+       echo -n "."
+       let LN+=1
+       sleep 1
+-- 
+2.35.3
+
diff --git a/0009-rescan-scsi-bus-speed-large-multipath-scans.patch b/0009-rescan-scsi-bus-speed-large-multipath-scans.patch
new file mode 100644
index 0000000000000000000000000000000000000000..513b8ce6b0349f39c055eb0df6349d60a711512b
--- /dev/null
+++ b/0009-rescan-scsi-bus-speed-large-multipath-scans.patch
@@ -0,0 +1,130 @@
+From fe62f3e9ce96927bf9bcfb19b33447b54aafdc1f Mon Sep 17 00:00:00 2001
+From: Douglas Gilbert <dgilbert@interlog.com>
+Date: Fri, 30 Sep 2022 08:58:39 +0000
+Subject: [PATCH 2/2] rescan-scsi-bus: speed large multipath scans
+
+Speed multipath scans with many LUNs by caching multipath
+LUN info in temporary file, see:
+   https://github.com/doug-gilbert/sg3_utils/issues/22
+Fix small bug in last commit, see:
+   https://github.com/doug-gilbert/sg3_utils/issues/24
+
+git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@973 6180dd3e-e324-4e3e-922d-17de1ae2f315
+
+Conflict: reserve changes about rescan-scsi-bus only
+---
+ scripts/rescan-scsi-bus.sh | 57 ++++++++++++++++++++++++++------------
+ 1 file changed, 40 insertions(+), 17 deletions(-)
+
+diff --git a/scripts/rescan-scsi-bus.sh b/scripts/rescan-scsi-bus.sh
+index 0e7697b..7508dba 100755
+--- a/scripts/rescan-scsi-bus.sh
++++ b/scripts/rescan-scsi-bus.sh
+@@ -6,6 +6,7 @@
+ 
+ VERSION="20180615"
+ SCAN_WILD_CARD=4294967295
++TMPLUNINFOFILE="/tmp/rescan-scsi-mpath-info.txt"
+ 
+ setcolor ()
+ {
+@@ -276,7 +277,7 @@ testonline ()
+ 
+   # Handle in progress of becoming ready and unit attention
+   while [ $RC = 2 -o $RC = 6 ] && [ $ctr -le 30 ] ; do
+-    if [ $RC = 2 ] && [ "$RMB" != "1" ] && [ sg_inq /dev/$SGDEV | grep -q -i "PQual=0" ] ; then
++    if [ $RC = 2 ] && [ "$RMB" != "1" ] && sg_inq /dev/$SGDEV | grep -q -i "PQual=0" ; then
+       echo -n "."
+       let LN+=1
+       sleep 1
+@@ -777,6 +778,33 @@ searchexisting()
+   done
+ }
+ 
++getallmultipathinfo()
++{
++  local mp=
++  local uuid=
++  local dmtmp=
++  local maj_min=
++  local tmpfile=
++
++  truncate -s 0 $TMPLUNINFOFILE
++  for mp in $($DMSETUP ls --target=multipath | cut -f 1) ; do
++    [ "$mp" = "No" ] && break;
++    maj_min=$($DMSETUP status "$mp" | cut -d  " " -f14)
++    if [ ! -L /dev/mapper/${mp} ]; then
++      echo "softlink /dev/mapper/${mp} not available."
++      continue
++    fi
++    local ret=$(readlink /dev/mapper/$mp 2>/dev/null)
++    if [[ $? -ne 0 || -z "$ret" ]]; then
++      echo "readlink /dev/mapper/$mp failed. check multipath status."
++      continue
++    fi
++    dmtmp=$(basename $ret)
++    uuid=$(cut -f2 -d- "/sys/block/$dmtmp/dm/uuid")
++    echo "$mp $maj_min $dmtmp $uuid" >> $TMPLUNINFOFILE
++  done
++}
++
+ # Go through all of the existing devices and figure out any that have been remapped
+ findremapped()
+ {
+@@ -815,6 +843,8 @@ findremapped()
+   udevadm_settle 2>&1 /dev/null
+   echo "Done"
+ 
++  getallmultipathinfo
++
+   # See what changed and reload the respective multipath device if applicable
+   while read -r hctl sddev id_serial_old ; do
+     remapped=0
+@@ -945,7 +975,6 @@ findmultipath()
+   local dev="$1"
+   local find_mismatch="$2"
+   local mp=
+-  local mp2=
+   local found_dup=0
+   local maj_min=
+ 
+@@ -955,27 +984,21 @@ findmultipath()
+   fi
+ 
+   maj_min=$(cat "/sys/block/$dev/dev")
+-  for mp in $($DMSETUP ls --target=multipath | cut -f 1) ; do
+-    [ "$mp" = "No" ] && break;
+-    if "$DMSETUP" status "$mp" | grep -q " $maj_min "; then
+-      # With two arguments, look up current uuid from sysfs
+-      # if it doesn't match what was passed, this multipath
+-      # device is not updated, so this is a remapped LUN
+-      if [ -n "$find_mismatch" ] ; then
+-        mp2=$($MULTIPATH -l "$mp" | egrep -o "dm-[0-9]+")
+-        mp2=$(cut -f2 -d- "/sys/block/$mp2/dm/uuid")
+-        if [ "$find_mismatch" != "$mp2" ] ; then
+-          addmpathtolist "$mp"
+-          found_dup=1
+-        fi
+-        continue
++  mp=$(cat $TMPLUNINFOFILE | grep -w "$maj_min" | cut -d " " -f1)
++  if [ -n "$mp" ]; then
++    if [ -n "$find_mismatch" ] ; then
++      uuid=$(cat $TMPLUNINFOFILE | grep -w "$maj_min" | cut -d " " -f4)
++      if [ "$find_mismatch" != "$uuid" ] ; then
++        addmpathtolist "$mp"
++        found_dup=1
+       fi
++    else
+       # Normal mode: Find the first multipath with the sdev
+       # and add it to the list
+       addmpathtolist "$mp"
+       return
+     fi
+-  done
++  fi
+ 
+   # Return 1 to signal that a duplicate was found to the calling function
+   if [ $found_dup -eq 1 ] ; then
+-- 
+2.35.3
+
diff --git a/sg3_utils.spec b/sg3_utils.spec
index 577989f6901f06c616eaa619ff3092a09f2e356d..0c6a1614d9c2c4dcde01e4b12336c2e051c529b2 100644
--- a/sg3_utils.spec
+++ b/sg3_utils.spec
@@ -1,6 +1,6 @@
 Name:    sg3_utils
 Version: 1.45
-Release: 9
+Release: 10
 Summary: Utilities that send SCSI commands to devices.
 License: GPL-2.0-or-later AND BSD
 URL:     http://sg.danny.cz/sg/sg3_utils.html
@@ -14,6 +14,8 @@ Patch4:	0004-sg_ses-fix-crash-when-m-LEN-252.patch
 Patch5: 0005-sg3_utils-rescan-scsi-bus-list-all-LUNs-in-one-line.patch
 Patch6: 0006-rescan-scsi-bus-sgdevice26-do-not-traverse-sg-class-.patch
 Patch7: 0007-rescan-scsi-bus.sh-add-option-no-lip-scan.patch
+Patch8: 0008-rescan-scsi-bus.sh-speed-testonline.patch
+Patch9: 0009-rescan-scsi-bus-speed-large-multipath-scans.patch
 
 Provides:      %{name}-libs
 Obsoletes:     %{name}-libs
@@ -77,6 +79,9 @@ rm -rf $RPM_BUILD_ROOT/%{_libdir}/*.la
 %{_mandir}/man8/*
 
 %changelog
+* Fri Nov 4 2022 Zhiqiang Liu <liuzhiqiang26@huawei.com> - 1.45-10
+- backport speed multipath scan patches from mainline
+
 * Fri Sep 2 2022 Wenchao Hao <haowenchao@huawei.com> - 1.45-9
 - backport rescan-scsi-bus patches from mainline