_require_scratch_dev_pool 2
_scratch_dev_pool_get 2
-enable_io_failure()
-{
- local sysfs_bdev=`_sysfs_dev $1`
-
- echo 1 > $sysfs_bdev/make-it-fail
-}
-
-disable_io_failure()
-{
- local sysfs_bdev=`_sysfs_dev $1`
-
- echo 0 > $sysfs_bdev/make-it-fail
-}
-
_check_minimal_fs_size $(( 1024 * 1024 * 1024 ))
_scratch_pool_mkfs "-d raid1 -b 1G" >> $seqres.full 2>&1
blocksize=$(_get_block_size $SCRATCH_MNT)
sectors_per_page=$(($pagesize / $blocksize))
-# enable block I/O error injection
-echo 100 > $DEBUGFS_MNT/fail_make_request/probability
-echo 1000 > $DEBUGFS_MNT/fail_make_request/times
-echo 0 > $DEBUGFS_MNT/fail_make_request/verbose
+_allow_fail_make_request
echo "Step 1: writing with one failing mirror:"
-enable_io_failure $SCRATCH_DEV
+_bdev_fail_make_request $SCRATCH_DEV 1
$XFS_IO_PROG -f -c "pwrite -W -S 0xaa 0 8K" $SCRATCH_MNT/foobar | _filter_xfs_io
-disable_io_failure $SCRATCH_DEV
+_bdev_fail_make_request $SCRATCH_DEV 0
errs=$($BTRFS_UTIL_PROG device stats $SCRATCH_DEV | \
$AWK_PROG '/write_io_errs/ { print $2 }')
$XFS_IO_PROG -c "pread -v 0 8K" $SCRATCH_MNT/foobar | _filter_xfs_io_offset
echo "Step 3: writing with two failing mirrors (should fail):"
-enable_io_failure $SCRATCH_DEV
-enable_io_failure $dev2
+_bdev_fail_make_request $SCRATCH_DEV 1
+_bdev_fail_make_request $dev2 1
$XFS_IO_PROG -f -c "pwrite -W -S 0xbb 0 8K" $SCRATCH_MNT/foobar | _filter_xfs_io
-disable_io_failure $dev2
-disable_io_failure $SCRATCH_DEV
+_bdev_fail_make_request $dev2 0
+_bdev_fail_make_request $SCRATCH_DEV 0
-# disable block I/O error injection
-echo 0 > $DEBUGFS_MNT/fail_make_request/probability
-echo 0 > $DEBUGFS_MNT/fail_make_request/times
+_disallow_fail_make_request
_scratch_dev_pool_put
# success, all done
QA output created by 271
+Allow global fail_make_request feature
Step 1: writing with one failing mirror:
wrote 8192/8192 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Step 3: writing with two failing mirrors (should fail):
fsync: Input/output error
+Disallow global fail_make_request feature