tree 669b8108fbe2708dff06dce25be6d70f68c553c4
parent a1c6c5698d53db4c47a25c3a8d11731a4d7b8370
author Theodore Ts'o <tytso@mit.edu> 1288229404 -0400
committer Theodore Ts'o <tytso@mit.edu> 1288229404 -0400

jbd2: Add sanity check for attempts to start handle during umount

An attempt to modify the file system during the call to
jbd2_destroy_journal() can lead to a system lockup.  So add some
checking to make it much more obvious when this happens to and to
determine where the offending code is located.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>