tree 0054cc5c385b4ba02abd95a761ccb01b453ba05f
parent 3b9d4ed26680771295d904a6b83e88e620780893
author Theodore Ts'o <tytso@mit.edu> 1240714419 -0400
committer Theodore Ts'o <tytso@mit.edu> 1240714419 -0400

ext4: Replace lock/unlock_super() with an explicit lock for resizing
    
Use a separate lock to protect s_groups_count and the other block
group descriptors which get changed via an on-line resize operation,
so we can stop overloading the use of lock_super().
    
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>