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 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html