"mtime" attribute for the file in gfs2 filesystem is not getting updated after appending the file using ">>"

Issue

• After appending the contents to a file created in GFS2 filesystem, the mtime attribute associated with the file is not getting updated.

  [root@machine1]# ls -l
  total 8
  -rw-r--r-- 1 root root 4 Mar 28 19:16 test_file
  [root@machine1]# date
  Wed Mar 28 19:20:08 IST 2012
  [root@machine1]# echo "12345" >> test_file
  [root@machine1]# ls -l
  total 8
  -rw-r--r-- 1 root root 6 Mar 28 19:16 test_file
  [root@machine1]#