Re: [PATCH 0/3] Synaptics - fix lockdep warnings

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> 
> I think it is - as far as I understand the reason for not tracking
> every lock individually is just that it is too expensive to do by
> default.

that is not correct. While it certainly plays a role, 
the other reason is that you can find out "class" level locking rules
(such as inode->i_mutex comes before <other lock>) for all inodes at a
time; eg no need to see every inode do this before you can find the
deadlock. 


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