commit | 3e03f9ca6a2599db1823bb0ea24e0845219a0e69 | [log] [tgz] |
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author | Jesper Dangaard Brouer <hawk@comx.dk> | Sun Jul 05 22:29:27 2009 -0400 |
committer | Theodore Ts'o <tytso@mit.edu> | Sun Jul 05 22:29:27 2009 -0400 |
tree | 5eddfee10fa2ba535441ad87b9382c8d686b5e07 | |
parent | 726447d803802cd0be8f62d17c4a34421781b938 [diff] |
ext4: Use rcu_barrier() on module unload. The ext4 module uses rcu_call() thus it should use rcu_barrier()on module unload. The kmem cache ext4_pspace_cachep is sometimes free'ed using call_rcu() callbacks. Thus, we must wait for completion of call_rcu() before doing kmem_cache_destroy(). Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>