generic/456: document the other kernel commit

[xfstests-dev.git] / tests / generic / 456

diff --git a/tests/generic/456 b/tests/generic/456
index 434a0ffaf27b0357942ca3b7514c55ad9374ce9a..b588fc07af1900d013f58c341f3ad2f4f43583f4 100755 (executable)
--- a/tests/generic/456
+++ b/tests/generic/456
@@ -10,6 +10,10 @@
 # Fixed by commit 51e3ae81ec58 ("ext4: fix interaction between i_size,
 # fallocate, and delalloc after a crash")
 #
+# This is also a regression test for ext4 bug that zero range can beyond
+# i_disksize and fixed by commit 801674f34ecf ("ext4: do not zeroout extents
+# beyond i_disksize").
+#
 seq=`basename $0`
 seqres=$RESULT_DIR/$seq
 echo "QA output created by $seq"