Merge ~medicalwei/casper:boot-from-md-blockdev into casper:main

[Yao Wei]

scripts/casper: also search mdXXX block device for root filesystem

For OEM pre-installed systems, the installer filesystem might reside in virtual RAID device during factory installation or factory reset, therefore booting from root filesystem in md block device is needed.

Unmerged commits

5954cc6... by Yao Wei on 2024-02-20

scripts/casper: also search mdXXX block device for root filesystem

For OEM pre-installed systems, the installer filesystem might reside
in virtual RAID device during factory installation or factory reset,
therefore booting from root filesystem in md block device is needed.

Signed-off-by: Yao Wei (魏銘廷) <email address hidden>

diff --git a/scripts/casper b/scripts/casper
index 36a724d..c40df56 100644
--- a/scripts/casper
+++ b/scripts/casper
@@ -800,7 +800,7 @@ find_livefs() {
         fi
     fi
     # or do the scan of block devices
-    for sysblock in $(echo /sys/block/* | tr ' ' '\n' | egrep -v "/(loop|ram|fd|md)"); do
+    for sysblock in $(echo /sys/block/* | tr ' ' '\n' | egrep -v "/(loop|ram|fd)"); do
         devname=$(sys2dev "${sysblock}")
         [ -e "$devname" ] || continue
         fstype=$(get_fstype "${devname}")