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# Copyright (c) 2024 ConnectWise
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. $(atf_get_srcdir)/../../cam/ctl/ctl.subr

# Regression test for https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283402
#
# Almost any fuse file system would work, but this tests uses fusefs-ext2
# because it's simple and its download is very small.
atf_test_case remove_lun_with_atime cleanup
remove_lun_with_atime_head()
{
	atf_set "descr" "Remove a fuse-backed CTL LUN when atime is enabled"
	atf_set "require.user" "root"
	atf_set "require.progs" "fuse-ext2 mkfs.ext2"
}
remove_lun_with_atime_body()
{
	MOUNTPOINT=$PWD/mnt
	atf_check mkdir $MOUNTPOINT
	atf_check truncate -s 1g ext2.img
	atf_check mkfs.ext2 -q ext2.img
	# Note: both default_permissions and atime must be enabled
	atf_check fuse-ext2 -o default_permissions,allow_other,rw+ ext2.img \
		$MOUNTPOINT

	atf_check truncate -s 1m $MOUNTPOINT/file
	create_block -o file=$MOUNTPOINT/file

	# Force fusefs to open the file, and dirty its atime
	atf_check dd if=/dev/$dev of=/dev/null count=1 status=none

	# Finally, remove the LUN.  Hopefully it won't panic.
	atf_check -o ignore ctladm remove -b block -l $LUN

	rm lun-create.txt	# So we don't try to remove the LUN twice
}
remove_lun_with_atime_cleanup()
{
	cleanup
	umount $PWD/mnt
}

atf_init_test_cases()
{
	atf_add_test_case remove_lun_with_atime
}