Re: Re: EXT4 panic at jbd2_journal_put_journal_head() in 3.9+
From: EUNBONG SONG
Date: Mon May 13 2013 - 01:12:30 EST
> Hi,
> Bitfields are likely to be implemented using read-modify-write semantics.
> Modifications of either b_jlist or b_jmodified must be done under lock
> since they share same uint. I guess this lock is missing somewhere.
Hi, I agree with you. b_jlist and b_jmodified share the same unit.
I think they are separated.
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