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btrfs/022: fix failed case with qgroup limit test

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To have noexceed test, we should clear data before and then retry.
However, when we are near to quota limit, we may fail to truncate/remove
data before, so we restart everthing here.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Wang Shilong
2014-01-20 12:49:16 +11:00
committed by Dave Chinner
parent 3128e9c55d
commit d1d43f623e
1 changed files with 17 additions and 3 deletions
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tests/btrfs/022
+17 -3
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@@ -94,8 +94,8 @@ _rescan_test()
_fail "exclusive values don't match after rescan"
}
#basic limit testing
_limit_test()
#basic exceed limit testing
_limit_test_exceed()
{
run_check $BTRFS_UTIL_PROG subvol create $SCRATCH_MNT/a
run_check $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT
@@ -104,6 +104,15 @@ _limit_test()
dd if=/dev/urandom of=$SCRATCH_MNT/a/file bs=10M count=1 >> \
$seqres.full 2>&1
[ $? -ne 0 ] || _fail "quota should have limited us"
}
#basic noexceed limit testing
_limit_test_noexceed()
{
run_check $BTRFS_UTIL_PROG subvol create $SCRATCH_MNT/a
run_check $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT
subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT a)
run_check $BTRFS_UTIL_PROG qgroup limit 5M 0/$subvolid $SCRATCH_MNT
dd if=/dev/urandom of=$SCRATCH_MNT/a/file bs=4M count=1 >> \
$seqres.full 2>&1
[ $? -eq 0 ] || _fail "should have been allowed to write"
@@ -121,7 +130,12 @@ _scratch_unmount
_scratch_mkfs > /dev/null 2>&1
_scratch_mount
_limit_test
_limit_test_exceed
_scratch_unmount
_scratch_mkfs > /dev/null 2>&1
_scratch_mount
_limit_test_noexceed
# success, all done
echo "Silence is golden"