Re: [RFC PATCH 4/10] vfs: global namespace semaphore

[Andrew Morton]

Ram Pai <linuxram@xxxxxxxxxx> wrote:
>
> On Mon, 2005-09-19 at 23:51, Al Viro wrote:
> > On Fri, Sep 16, 2005 at 11:26:19AM -0700, Ram wrote:
> > > This patch removes the per-namespace semaphore in favor of a global
> > > semaphore.  This can have an effect on namespace scalability.
> > 
> > ... and #2 uses that semaphore...
> 
> Patch #2, uses the global semaphore.  Yes that patch  would'nt have
> compiled without patch #4, because the global semaphore got defined only
> in the patch #4.
> 

Ordinarily that doesn't matter much.  But if you're doing a `git bisect'
and you happen to land in the middle of a patch series at a point where it
doesn't compile or run, it can ruin your whole day.

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