qvm-block: detect read-only devices

11 years ago · 23ea1ebe19
parent 0bf30e0426
commit 23ea1ebe19
1 changed files with 5 additions and 0 deletions
--- a/udev/udev-block-add-change
+++ b/udev/udev-block-add-change
@ -29,6 +29,11 @@ if [ "$MAJOR" -eq 7 -a ! -d /sys/$DEVPATH/loop ]; then
    exit 0
 fi

+# Check if device is read-only
+if [ "`cat /sys/$DEVPATH/ro`" -eq 1 ]; then
+    MODE=r
+fi
+
 # Special case for CD
 if [ "$ID_TYPE" = "cd" ]; then
    if [ "$ID_CDROM_MEDIA" != "1" ]; then