HDFS-7235. DataNode#transferBlock should report blocks that don't exist using reportBadBlock (yzhang via cmccabe) Moved CHANGES.txt entry to 2.6.1
HDFS-7235. DataNode#transferBlock should report blocks that don't exist using reportBadBlock (yzhang via cmccabe)
Moved CHANGES.txt entry to 2.6.1

(cherry picked from commit f2b4bc9b6a1bd3f9dbfc4e85c1b9bde238da3627)

zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype