Re: [PATCH 05/24] ceph: ref counted buffer

[Ingo Oeser]

On Friday 04 December 2009, Sage Weil wrote:
> struct ceph_buffer is a simple ref-counted buffer.  We transparently
> choose between kmalloc for small buffers and vmalloc for large ones.
> 
> This is currently used only for allocating memory for xattr data.

Could you wrap parts of this refcounting logic around kref?
see #include <linux/kref.h> and lib/kref.c

It avoids a bug with memory areas for free and if anybody
optimizes or changes refcounting stuff, you get all changes for free :-)

Best Regards

Ingo Oeser
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