-#!/bin/sh
# live-initramfs helper functions, used by live-initramfs on boot and by live-snapshot
if [ ! -x "/bin/fstype" ]
is_supported_fs ()
{
- # FIXME: do something better like the scan of supported filesystems
fstype="${1}"
- case ${fstype} in
- vfat|iso9660|udf|ext2|ext3|ntfs|jffs2)
+ # Validate input first
+ if [ -z "${fstype}" ]
+ then
+ return 1
+ fi
+
+ # Try to look if it is already supported by the kernel
+ if grep -q ${fstype} /proc/filesystems
+ then
return 0
- ;;
- esac
+ else
+ # Then try to add support for it the gentle way using the initramfs capabilities
+ modprobe ${fstype}
+ if grep -q ${fstype} /proc/filesystems
+ then
+ return 0
+ # Then try the hard way if /root is already reachable
+ else
+ kmodule="/root/lib/modules/`uname -r`/${fstype}/${fstype}.ko"
+ if [ -e "${kmodule}" ]
+ then
+ insmod "${kmodule}"
+ if grep -q ${fstype} /proc/filesystems
+ then
+ return 0
+ fi
+ fi
+ fi
+ fi
return 1
}
return
fi
- eval $(fstype < ${1})
+ eval $(fstype < ${1} 2>/dev/null)
if [ "${FSTYPE}" != "unknown" ]
then
local readonly=${6}
modprobe -q -b "${module}"
- udevsettle
+
+ if [ -x /sbin/udevadm ]
+ then
+ # lenny
+ udevadm settle
+ else
+ # etch
+ udevsettle
+ fi
for loopdev in ${pattern}
do