2 # FS QA Test No. btrfs/076
4 # Regression test for btrfs incorrect inode ratio detection.
5 # This was fixed in the following linux kernel patch:
7 # Btrfs: fix incorrect compression ratio detection
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10 # Copyright (c) 2014 Wang Shilong. All Rights Reserved.
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28 seqres=$RESULT_DIR/$seq
29 echo "QA output created by $seq"
34 status=1 # failure is the default!
35 trap "_cleanup; exit \$status" 0 1 2 3 15
43 # get standard environment, filters and checks
48 # real QA test starts here
56 _scratch_mkfs >> $seqres.full 2>&1
57 _scratch_mount "-o compress=lzo"
59 $XFS_IO_PROG -f -c "pwrite 0 10M" -c "fsync" \
60 $SCRATCH_MNT/data >> $seqres.full 2>&1
62 _extent_count $SCRATCH_MNT/data
64 $XFS_IO_PROG -f -c "pwrite 0 $((4096*33))" -c "fsync" \
65 $SCRATCH_MNT/data >> $seqres.full 2>&1
67 $XFS_IO_PROG -f -c "pwrite 0 10M" -c "fsync" \
68 $SCRATCH_MNT/data >> $seqres.full 2>&1
70 _extent_count $SCRATCH_MNT/data