Improve the handling of block devices with '/' in their names.

userspace/initramfs/01wrtblk_all

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Mark all available block devices as read-only (except loop devices)
-for device in /dev/*; do
+for device in /dev/* /dev/*/*; do
 	if [ ! -h "$device" ] && [ -b "$device" ] && [ ! -z ${device##/dev/loop*} ]; then
 		# Check if medium is present		
 		if blockdev --getsz "$device" > /dev/null 2>&1; then

userspace/tools/wrtblk

@@ -9,9 +9,11 @@ bdev="$1"
 blockdev --setro "/dev/$bdev" || logger "wrtblk: blockdev --setro /dev/$bdev failed!"
 
 # Mark a parent block device as read-only
+bdev=$(echo "$bdev" | sed 's/\//!/g')
 syspath=$(echo /sys/block/*/"$bdev")
 [ "$syspath" = "/sys/block/*/$bdev" ] && exit
 dir=${syspath%/*}
 parent=${dir##*/}
+parent=$(echo "$parent" | sed 's/!/\//g')
 [ -b "/dev/$parent" ] || exit
 blockdev --setro "/dev/$parent" || logger "wrtblk: blockdev --setro /dev/$parent failed!"

userspace/tools/wrtblk-disable

@@ -9,9 +9,11 @@ bdev="$1"
 blockdev --setrw "/dev/$bdev" || logger "wrtblk: blockdev --setrw /dev/$bdev failed!"
 
 # Mark a parent block device as read-write
+bdev=$(echo "$bdev" | sed 's/\//!/g')
 syspath=$(echo /sys/block/*/"$bdev")
 [ "$syspath" = "/sys/block/*/$bdev" ] && exit
 dir=${syspath%/*}
 parent=${dir##*/}
+parent=$(echo "$parent" | sed 's/!/\//g')
 [ -b "/dev/$parent" ] || exit
 blockdev --setrw "/dev/$parent" || logger "wrtblk: blockdev --setrw /dev/$parent failed!"

userspace/tools/wrtblk-ioerr

@@ -9,10 +9,12 @@ bdev="$1"
 blockdev --setro "/dev/$bdev" || logger "wrtblk: blockdev --setro /dev/$bdev failed!"
 
 # Mark all child block devices as read-only
+bdev=$(echo "$bdev" | sed 's/\//!/g')
 for child in /sys/block/"$bdev"/*/dev; do
 	dir=${child%/*}
 	partition=${dir##*/}
 	[ "$partition" = '*' ] && break
+	partition=$(echo "$partition" | sed 's/!/\//g')
 	[ -b "/dev/$partition" ] || continue
 	blockdev --setro "/dev/$partition" || logger "wrtblk: blockdev --setro /dev/$partition failed!"
 done