From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Use the xfs set/get metadata field helpers to detect the correct sfdir
field name prefix on v4-v5 filesystems. This enables us to test inode
link count corrections on a (deliberately) disconnected directory.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
tests/xfs/278 | 38 ++++++++++++++++++++++++++++++--------
1 file changed, 30 insertions(+), 8 deletions(-)
diff --git a/tests/xfs/278 b/tests/xfs/278
index b94ee9c..47012a3 100755
--- a/tests/xfs/278
+++ b/tests/xfs/278
@@ -61,17 +61,39 @@ _scratch_unmount
echo "Silence is goodness..."
+get_sfdir_prefix() {
+ local dir_ino="$1"
+
+ for prefix in "u.sfdir3" "u.sfdir2" "u3.sfdir3"; do
+ if [ -n "$(_scratch_xfs_get_metadata_field \
+ "${prefix}.hdr.parent.i4" \
+ "inode ${dir_ino}")" ]; then
+ echo "${prefix}"
+ return 0
+ fi
+ done
+ _scratch_xfs_db -c "inode ${dir_ino}" -c 'p' >> $seqres.full
+ return 1
+}
+set_ifield() {
+ _scratch_xfs_set_metadata_field "$1" 0 "inode $2" >> $seqres.full
+}
+
+sfdir_prefix="$(get_sfdir_prefix "$DIR_INO" || \
+ _fail "Cannot determine sfdir prefix")"
+
# Corrupt DIR
-_scratch_xfs_db -x -c "inode $DIR_INO" -c "write u.sfdir2.list[0].inumber.i4 0" >> $seqres.full
-_scratch_xfs_db -x -c "inode $DIR_INO" -c "write u.sfdir2.list[0].name 0" >> $seqres.full
-_scratch_xfs_db -x -c "inode $DIR_INO" -c "write u.sfdir2.list[0].offset 0" >> $seqres.full
-_scratch_xfs_db -x -c "inode $DIR_INO" -c "write u.sfdir2.list[0].namelen 0" >> $seqres.full
-_scratch_xfs_db -x -c "inode $DIR_INO" -c "write u.sfdir2.hdr.parent.i4 0" >> $seqres.full
-_scratch_xfs_db -x -c "inode $DIR_INO" -c "write core.nlinkv2 0" >> $seqres.full
+
+set_ifield "${sfdir_prefix}.list[0].inumber.i4" "$DIR_INO"
+set_ifield "${sfdir_prefix}.list[0].name" "$DIR_INO"
+set_ifield "${sfdir_prefix}.list[0].offset" "$DIR_INO"
+set_ifield "${sfdir_prefix}.list[0].namelen" "$DIR_INO"
+set_ifield "${sfdir_prefix}.hdr.parent.i4" "$DIR_INO"
+set_ifield "core.nlinkv2" "$DIR_INO"
# Corrupt SUBDIR
-_scratch_xfs_db -x -c "inode $SUBDIR_INO" -c "write u.sfdir2.hdr.parent.i4 0" >> $seqres.full
-_scratch_xfs_db -x -c "inode $SUBDIR_INO" -c "write core.nlinkv2 0" >> $seqres.full
+set_ifield "${sfdir_prefix}.hdr.parent.i4" "$SUBDIR_INO"
+set_ifield "core.nlinkv2" "$SUBDIR_INO"
echo "===== BEGIN of xfs_repair =====" >> $seqres.full
echo "" >>$seqres.full
--
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