Add functions to the dmerror routine so that we can load both the
error table and the linear table. This will help us with EIO testing
of copy-on-write.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
common/dmerror | 27 +++++++++++++++++++++++++--
tests/btrfs/100 | 2 +-
tests/btrfs/101 | 2 +-
3 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/common/dmerror b/common/dmerror
index 3900a4e..004530d 100644
--- a/common/dmerror
+++ b/common/dmerror
@@ -46,15 +46,23 @@ _dmerror_mount()
_mount -t $FSTYP `_dmerror_mount_options $*`
}
+_dmerror_unmount()
+{
+ umount $SCRATCH_MNT
+}
+
_dmerror_cleanup()
{
$UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1
$DMSETUP_PROG remove error-test > /dev/null 2>&1
}
-_dmerror_load_table()
+_dmerror_load_error_table()
{
- $DMSETUP_PROG suspend error-test
+ suspend_opt="--nolockfs"
+ [ $# -gt 1 ] && [ $2 -eq 1 ] && suspend_opt=""
+
+ $DMSETUP_PROG suspend $suspend_opt error-test
[ $? -ne 0 ] && _fail "dmsetup suspend failed"
$DMSETUP_PROG load error-test --table "$DMERROR_TABLE"
@@ -63,3 +71,18 @@ _dmerror_load_table()
$DMSETUP_PROG resume error-test
[ $? -ne 0 ] && _fail "dmsetup resume failed"
}
+
+_dmerror_load_working_table()
+{
+ suspend_opt="--nolockfs"
+ [ $# -gt 1 ] && [ $2 -eq 1 ] && suspend_opt=""
+
+ $DMSETUP_PROG suspend $suspend_opt error-test
+ [ $? -ne 0 ] && _fail "dmsetup suspend failed"
+
+ $DMSETUP_PROG load error-test --table "$DMLINEAR_TABLE"
+ [ $? -ne 0 ] && _fail "dmsetup failed to load error table"
+
+ $DMSETUP_PROG resume error-test
+ [ $? -ne 0 ] && _fail "dmsetup resume failed"
+}
diff --git a/tests/btrfs/100 b/tests/btrfs/100
index 080d0ae..cd385e1 100755
--- a/tests/btrfs/100
+++ b/tests/btrfs/100
@@ -69,7 +69,7 @@ run_check $FSSTRESS_PROG -d $SCRATCH_MNT -n 200 -p 8 $FSSTRESS_AVOID -x \
"$snapshot_cmd" -X 50
# now load the error into the DMERROR_DEV
-_dmerror_load_table
+_dmerror_load_error_table
_run_btrfs_util_prog replace start -B $error_devid $dev2 $SCRATCH_MNT
diff --git a/tests/btrfs/101 b/tests/btrfs/101
index 0824de1..8d7af85 100755
--- a/tests/btrfs/101
+++ b/tests/btrfs/101
@@ -70,7 +70,7 @@ run_check $FSSTRESS_PROG -d $SCRATCH_MNT -n 200 -p 8 $FSSTRESS_AVOID -x \
"$snapshot_cmd" -X 50
# now load the error into the DMERROR_DEV
-_dmerror_load_table
+_dmerror_load_error_table
_run_btrfs_util_prog device delete $error_devid $SCRATCH_MNT
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