From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 2/3] libxlog: sync up with 2.6.38 kernel code
Date: Tue, 25 Jan 2011 10:47:41 +1100 [thread overview]
Message-ID: <20110124234741.GF11040@dastard> (raw)
In-Reply-To: <20110124084732.GA4378@infradead.org>
On Mon, Jan 24, 2011 at 03:47:32AM -0500, Christoph Hellwig wrote:
> > +typedef int32_t atomic_t;
> > +typedef int64_t atomic64_t;
> > +
> > +#define atomic_inc_return(x) (++(*(x)))
> > +#define atomic_dec_return(x) (--(*(x)))
> > +
> > +#define atomic64_read(x) *(x)
> > +#define atomic64_set(x, v) (*(x) = v)
>
> These defintions are pretty dangerous if we ever happens to use
> them in multi-threaded code like repair. Currently we're not,
> but they should grow a larger warning comment.
Ok, I'll add a warning to that effect.
> > --- /dev/null
> > +++ b/include/hlist.h
>
> Why not add the hlist helpers to list.h, like in the kernel tree?
It was just a side effect of the process I followed to add the bits
of missing functionality that were needed. I can add it to list.h if
you want, but I don't think it really matters either way...
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2011-01-24 23:45 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-10 8:44 [PATCH 0/3] xfsprogs: sync up with 2.6.38 kernel code V2 Dave Chinner
2011-01-10 8:44 ` [PATCH 1/3] libxfs: reintroduce old xfs_repair radix-tree code Dave Chinner
2011-01-24 8:58 ` Christoph Hellwig
2011-02-09 18:05 ` Alex Elder
2011-02-14 0:36 ` Dave Chinner
2011-01-10 8:44 ` [PATCH 2/3] libxlog: sync up with 2.6.38 kernel code Dave Chinner
2011-01-24 8:47 ` Christoph Hellwig
2011-01-24 23:47 ` Dave Chinner [this message]
2011-02-09 21:49 ` Alex Elder
2011-02-14 5:10 ` Dave Chinner
2011-02-14 5:31 ` Dave Chinner
2011-02-14 5:46 ` Dave Chinner
2011-01-10 8:44 ` [PATCH 3/3] libxfs: sync files " Dave Chinner
2011-01-24 8:57 ` Christoph Hellwig
2011-01-24 23:55 ` Dave Chinner
2011-02-10 19:02 ` Alex Elder
2011-02-14 6:30 ` [PATCH 0/3] xfsprogs: sync up with 2.6.38 kernel code V2 Dave Chinner
2011-02-22 20:45 ` Alex Elder
2011-03-07 18:14 ` Alex Elder
2011-03-07 18:24 ` Christoph Hellwig
2011-04-13 16:34 ` Alex Elder
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