Re: next-20090310: ext4 hangs

From: Alexander Beregalov
Date: Wed Mar 25 2009 - 11:18:58 EST


2009/3/25 Jan Kara <jack@xxxxxxx>:
>> > So, I think I need to try it on 2.6.29-rc7 again.
>> Â I've looked into this. Obviously, what's happenning is that we delete
>> an inode and jbd2_journal_release_jbd_inode() finds inode is just under
>> writeout in transaction commit and thus it waits. But it gets never woken
>> up and because it has a handle from the transaction, every one eventually
>> blocks on waiting for a transaction to finish.
>> Â But I don't really see how that can happen. The code is really
>> straightforward and everything happens under j_list_lock... Strange.
> ÂBTW: Is the system SMP?
No, it is UP system.

The bug exists even in 2.6.29, I posted it with a new topic.
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