[Cluster-devel] [PATCH 09/10] locks: move freeing of leases outside of i_lock

[Christoph Hellwig]

On Sat, Aug 23, 2014 at 10:41:17AM -0400, Jeff Layton wrote:
> There was only one place where we still could free a file_lock while
> holding the i_lock -- lease_modify. Add a new list_head argument to the
> lm_change operation, pass in a private list when calling it, and fix
> those callers to dispose of the list once the lock has been dropped.

Why do we care about locks held when simply freeing a piece of memory?