Re: [patch 14/52] fs: dcache scale subdirs

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On Thu, Jun 24, 2010 at 11:50:17AM +0200, Andi Kleen wrote:
> npiggin@xxxxxxx writes:
> 
> > Protect d_subdirs and d_child with d_lock, except in filesystems that aren't
> > using dcache_lock for these anyway (eg. using i_mutex).
> 
> Different locking for different file systems seems a bit confusing.
> Could the be unified?

Yes well it is a bit misleading. It should always be modified under
spinlocks, but some filesystems are using i_mutex for read access,
which should be fine (and not require knowledge of any other code).

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