#!/bin/sh

SRCDIR="`dirname $0`"
. $SRCDIR/common.sh

. $SRCDIR/llmount.sh

MNT="setup_mount"

test_fail() {
	echo $1 > /proc/sys/lustre/fail_loc
	shift
	echo "Running '$*'"
	$* 

	echo "Cleaning up and restarting MDS"
	umount /mnt/lustre || fail "unable to unmount"
	$OBDCTL <<- EOF
	name2dev MDSDEV
	cleanup
	detach
	quit
	EOF

	echo 0 > /proc/sys/lustre/fail_loc

	$OBDCTL <<- EOF
	newdev
	attach mds MDSDEV
	setup ${MDS} ${MDSFS}
	quit
	EOF
	$MNT
}

#set -vx

touch /mnt/lustre/foo
chmod a+x /mnt/lustre/foo
sync

# OBD_FAIL_MDS_REINT_SETATTR_WRITE - MDS will discard data from setattr
test_fail 0x10a chmod 000 /mnt/lustre/foo
ls -l /mnt/lustre/foo
[ ! -x /mnt/lustre/foo ] && fail "/mnt/lustre/foo is not executable!"

# OBD_FAIL_MDS_REINT_CREATE_WRITE - MDS will not create the file
test_fail 0x10c touch /mnt/lustre/bar
ls /mnt/lustre/bar
[ $? -eq 0 ] && fail "/mnt/lustre/bar was created!"

# OBD_FAIL_MDS_REINT_UNLINK_WRITE - MDS will discard data from unlink
test_fail 0x10e rm /mnt/lustre/foo
ls /mnt/lustre/foo
[ $? -eq 1 ] && fail "/mnt/lustre/foo has been removed!"

# OBD_FAIL_MDS_REINT_RENAME_WRITE - MDS will discard data from rename
test_fail 0x112 mv /mnt/lustre/foo /mnt/lustre/bar
ls /mnt/lustre/foo /mnt/lustre/bar
[ ! -f /mnt/lustre/foo -o -f /mnt/lustre/bar ] && \
	fail "/mnt/lustre/foo has been renamed to bar!"

echo "Done."