1 # $NetBSD: t_fss.sh,v 1.2 2016/07/29 20:27:37 pgoyette Exp $
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28 # Verify basic operation of fss(4) file system snapshot device
31 orig_data="Original data"
32 repl_data="Replacement data"
34 atf_test_case basic cleanup
37 # create of mount-points for the file system and snapshot
42 # create a small 4MB file, treat it as a disk, init a file-system on it,
45 dd if=/dev/zero of=./image bs=32k count=64
46 vndconfig -c vnd0 ./image
50 echo "${orig_data}" > ./m1/text
52 # configure and mount a snapshot of the file system
54 fssconfig -c fss0 ./m1 ./backup
55 mount -o rdonly /dev/fss0 ./m2
57 # Modify the data on the underlying file system
59 echo "${repl_data}" > ./m1/text || abort
61 # Verify that original data is still visible in the snapshot
63 read test_data < ./m2/text
64 atf_check_equal "${orig_data}" "${test_data}"
66 # Unmount our temporary stuff
68 umount /dev/fss0 || true
69 fssconfig -u fss0 || true
70 umount /dev/vnd0a || true
71 vndconfig -u vnd0 || true
75 umount /dev/vnd0a || true
76 fssconfig -u fss0 || true
77 umount /dev/fss0 || true
78 vndconfig -u vnd0 || true
83 atf_add_test_case basic