Re: [PATCH 0/14] fsnotify: simplify locking

[Eric Paris]

On Wed, 2011-01-19 at 17:42 +0100, Lino Sanfilippo wrote:

> The main goal of these patches is to change the locking order to 
> 
> group->mark_lock
> inode->i_lock
> mark->lock

There was a LOT of thought that went into the object locking and
lifetime to make sure it was safe, but I agree it is, ummm, complex.
I'll look at these patches but offhand I seem to recall that (by
definition) inode->i_lock was always supposed to be the smallest lock
ever held.  I added Al a VFS guy, who might veto these patches just on
that alone......

-Eric

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