[PATCH 4/9] btrfs/142: use common read repair helpers

[Christoph Hellwig <hch@lst.de>]

Use the common helpers to find the btrfs logical address and to read from
a specific mirror.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 tests/btrfs/142 | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/tests/btrfs/142 b/tests/btrfs/142
index 58d01add..7a63fb83 100755
--- a/tests/btrfs/142
+++ b/tests/btrfs/142
@@ -27,7 +27,6 @@ _require_scratch_dev_pool 2
 _require_dm_target dust
 
 _require_btrfs_command inspect-internal dump-tree
-_require_command "$FILEFRAG_PROG" filefrag
 
 _scratch_dev_pool_get 2
 # step 1, create a raid1 btrfs which contains one 128k file.
@@ -46,8 +45,7 @@ $XFS_IO_PROG -f -d -c "pwrite -S 0xaa -b 128K 0 128K" "$SCRATCH_MNT/foobar" |\
 # step 2, corrupt the first 64k of stripe #1
 echo "step 2......corrupt file extent" >>$seqres.full
 
-${FILEFRAG_PROG} -v $SCRATCH_MNT/foobar >> $seqres.full
-logical_in_btrfs=`${FILEFRAG_PROG} -v $SCRATCH_MNT/foobar | _filter_filefrag | cut -d '#' -f 1`
+logical_in_btrfs=$(_btrfs_get_first_logical $SCRATCH_MNT/foobar)
 echo "Logical offset is $logical_in_btrfs" >>$seqres.full
 _scratch_unmount
 
@@ -67,10 +65,8 @@ echo "step 3......repair the bad copy" >>$seqres.full
 
 $DMSETUP_PROG message dust-test 0 addbadblock $((physical / 512))
 $DMSETUP_PROG message dust-test 0 enable
-while [[ -z $( (( BASHPID % 2 == stripe )) &&
-	       exec $XFS_IO_PROG -d -c "pread -b 128K 0 128K" "$SCRATCH_MNT/foobar") ]]; do
-	:
-done
+
+_btrfs_direct_read_on_mirror $stripe 2 "$SCRATCH_MNT/foobar" 0 128K
 
 _cleanup_dust
 
-- 
2.30.2