Messages in this thread | | | Date | Sat, 7 Mar 2015 19:47:58 +0800 | Subject | Re: [PATCH -next] locking/rwsem: don't spin in heavy contention | From | Ming Lei <> |
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On Sat, Mar 7, 2015 at 5:54 AM, Dave Chinner <david@fromorbit.com> wrote: > > If you're getting stuff there, I'd be looking for a bug in ext4, not > the rwsem code. There's no way there should be enough unwritten > extent conversion pending to lock up the system for that length of > time. Especially considering the test has concurrent truncates
The time is taken for spinning rwsem, so it is really a rwsem problem, and Jason Low has posted one patch to fix it.
Thanks, Ming Lei
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