overlay: support timestamp range check

Overlayfs timestamp range is the same as base fs timestamp range

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/common/rc b/common/rc
index b988e91237709fe27e660f4fe06b88fe3cd0b8f1..e55352790a7b4d30859710d6cad85af77a5bb6a1 100644 (file)
--- a/common/rc
+++ b/common/rc
@@ -1978,13 +1978,14 @@ _require_timestamp_range()
 _filesystem_timestamp_range()
 {
        local device=${1:-$TEST_DEV}
 _filesystem_timestamp_range()
 {
        local device=${1:-$TEST_DEV}

+       local fstyp=${2:-$FSTYP}

        u32max=$(((1<<32)-1))
        s32min=-$((1<<31))
        s32max=$(((1<<31)-1))
        s64max=$(((1<<63)-1))
        s64min=$((1<<63))
 
        u32max=$(((1<<32)-1))
        s32min=-$((1<<31))
        s32max=$(((1<<31)-1))
        s64max=$(((1<<63)-1))
        s64min=$((1<<63))
 

-       case $FSTYP in
+       case $fstyp in

        ext2)
                echo "$s32min $s32max"
                ;;
        ext2)
                echo "$s32min $s32max"
                ;;


@@ -2005,6 +2006,13 @@ _filesystem_timestamp_range()
        btrfs)
                echo "$s64min $s64max"
                ;;
        btrfs)
                echo "$s64min $s64max"
                ;;

+       overlay)
+               if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
+                       _filesystem_timestamp_range $OVL_BASE_TEST_DEV $OVL_BASE_FSTYP
+               else
+                       echo "-1 -1"
+               fi
+               ;;

        *)
                echo "-1 -1"
                ;;
        *)
                echo "-1 -1"
                ;;