1 files changed, 87 insertions, 0 deletions
diff --git a/tests/ts/mount/shared-subtree b/tests/ts/mount/shared-subtree
new file mode 100755
index 0000000..aaaaf64
--- /dev/null
+++ b/tests/ts/mount/shared-subtree
@@ -0,0 +1,87 @@
+#!/bin/bash
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="shared-subtree"
+
+. "$TS_TOPDIR"/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_MOUNT"
+ts_check_test_command "$TS_CMD_UMOUNT"
+ts_check_test_command "$TS_CMD_FINDMNT"
+
+ts_skip_nonroot
+ts_check_losetup
+ts_check_prog "mkfs.ext2"
+
+[ -d $TS_MOUNTPOINT ] || mkdir -p $TS_MOUNTPOINT
+
+# bind
+$TS_CMD_MOUNT --bind $TS_MOUNTPOINT $TS_MOUNTPOINT &> /dev/null
+[ "$?" = "0" ] || ts_die "error: mount --bind"
+
+# check the bind
+$TS_CMD_FINDMNT --kernel --mountpoint $TS_MOUNTPOINT  &> /dev/null
+[ "$?" == "0" ] || ts_die "Cannot find binded $TS_MOUNTPOINT in /proc/self/mountinfo"
+
+# use the same mounpoint for all sub-tests
+MOUNTPOINT="$TS_MOUNTPOINT"
+
+
+ts_init_subtest "make-shared"
+$TS_CMD_MOUNT --make-shared $MOUNTPOINT >> $TS_OUTPUT 2>> $TS_ERRLOG
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o PROPAGATION >> $TS_OUTPUT
+ts_finalize_subtest
+
+ts_init_subtest "make-private"
+$TS_CMD_MOUNT --make-private $MOUNTPOINT >> $TS_OUTPUT 2>> $TS_ERRLOG
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o PROPAGATION >> $TS_OUTPUT
+ts_finalize_subtest
+
+
+ts_init_subtest "make-unbindable"
+$TS_CMD_MOUNT --make-unbindable $MOUNTPOINT >> $TS_OUTPUT 2>> $TS_ERRLOG
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o PROPAGATION >> $TS_OUTPUT
+ts_finalize_subtest
+
+# clean up
+$TS_CMD_UMOUNT $MOUNTPOINT
+
+
+ts_init_subtest "bind-shared"
+$TS_CMD_MOUNT --make-shared \
+	      --bind $MOUNTPOINT $MOUNTPOINT >> $TS_OUTPUT 2>> $TS_ERRLOG
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o PROPAGATION >> $TS_OUTPUT
+$TS_CMD_UMOUNT $MOUNTPOINT
+ts_finalize_subtest
+
+
+#
+# block dev based mounts
+#
+ts_device_init
+DEVICE=$TS_LODEV
+
+mkfs.ext2 $DEVICE &> /dev/null || ts_die "Cannot make ext2 on $DEVICE"
+ts_device_has "TYPE" "ext2" $DEVICE || ts_die "Cannot find ext2 on $DEVICE"
+
+
+ts_init_subtest "mount-private"
+$TS_CMD_MOUNT --make-private --make-unbindable \
+	      $DEVICE $MOUNTPOINT >> $TS_OUTPUT 2>> $TS_ERRLOG
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o PROPAGATION >> $TS_OUTPUT
+$TS_CMD_UMOUNT $MOUNTPOINT
+ts_finalize_subtest
+
+ts_init_subtest "mount-private-ro"
+$TS_CMD_MOUNT $DEVICE $MOUNTPOINT -o ro,private >> $TS_OUTPUT 2>> $TS_ERRLOG
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o PROPAGATION >> $TS_OUTPUT
+$TS_CMD_FINDMNT -nr --mountpoint $MOUNTPOINT -o VFS-OPTIONS >> $TS_OUTPUT
+$TS_CMD_UMOUNT $MOUNTPOINT
+ts_finalize_subtest
+
+rmdir $MOUNTPOINT
+
+ts_log "Success"
+ts_finalize
+